2003-2007 Dodge Caravan Dodge Grand Caravan Service & Repair Manual

TABLE OF CONTENTS 1.0 INTRODUCTION .........................................................1 1.1 SYSTEM COVERAGE ...............................................1 1.2 SIX-STEP TROUBLESHOOTING PROCEDURE ..........................1 2.0 IDENTIFICATION OF SYSTEM .............................................1 3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION ......................1 3.1 AIRBAG SYSTEM ...................................................2 3.1.1 DRIVER AIRBAG............................................2 3.1.2 CLOCKSPRING.............................................4 3.1.3 PASSENGER AIRBAG .......................................4 3.1.4 SEAT BELT TENSIONER (SBT) ................................5 3.1.5 SEAT BELT SWITCHES (SBS).................................5 3.1.6 SIDE IMPACT AIRBAG CONTROL MODULE (SIACM) .............5 3.1.7 SEAT AIRBAGS (SAB) .......................................6 3.1.8 DIAGNOSTIC TROUBLE CODES ..............................6 3.1.9 SPECIAL TOOLS............................................7 3.1.10 ACTIVE CODES ............................................7 3.1.11 STORED CODES ...........................................7 3.2 AUDIO SYSTEM ....................................................7 3.2.1 REMOTE RADIO CONTROLS .................................8 3.2.2 CD CHANGER..............................................8 3.3 BODY CONTROL MODULE ...........................................8 3.4 CHIME WARNING SYSTEM...........................................9 3.4.1 CHIME PRIORITY ...........................................9 3.4.2 CHIME ON CONDITIONS....................................10 3.4.3 WARNING LAMP ANNOUNCEMENT ..........................10 3.4.4 OTHER CHIME ON CONDITIONS.............................10 3.5 COMMUNICATION .................................................11 3.6 DOOR AJAR SYSTEM ..............................................12 3.7 EXTERIOR LIGHTING SYSTEM ......................................12 3.7.1 HEADLAMP POWER .......................................12 3.7.2 HEADLAMP SWITCH .......................................12 3.7.3 PARK LAMP RELAY ........................................12 3.7.4 FOG LAMP RELAY .........................................12 3.7.5 FOG LAMPS ..............................................12 3.7.6 EXTERIOR LIGHTING BATTERY SAVER .......................13 3.7.7 AUTO HEADLAMPS ........................................13 3.8 FRONT CONTROL MODULE .........................................13 3.8.1 CONTROLLED POWER FEEDS ..............................13 3.8.2 RELAY CONTROLS ........................................14 3.8.3 ELECTRICAL INPUTS ......................................15 3.9 HEATING & A/C ...................................................16 3.9.1 AUTOMATIC TEMPERATURE CONTROL (ATC) .................16 3.9.1.1 SYSTEM OPERATION ......................................16 3.9.1.2 SYSTEM OPERATION ......................................16 3.9.1.2 BLOWER MOTOR OPERATION ..............................16 3.9.1.3 INFRARED SENSORS ......................................16 3.9.1.4 REAR ATC SWITCH ........................................16 3.9.1.5 COOLDOWN TESTING .....................................16 3.9.1.6 ACTIVE AND STORED TROUBLE CODES .....................17 i

TABLE OF CONTENTS - Continued 3.9.2 MANUAL TEMPERATURE CONTROL..........................17 3.9.2.1 SYSTEM AVAILABILITY .....................................17 3.9.2.2 CABIN HEATER ...........................................17 3.9.2.3 ZONE CONTROL ..........................................17 3.9.2.4 FRONT HVAC UNIT ........................................17 3.9.2.5 REAR HVAC UNIT .........................................17 3.9.2.6 A/C – HEATER CONTROL MODULE, SWITCH OPERATION .......17 3.9.2.7 REAR BLOWER REAR CONTROL ............................19 3.9.2.8 HVAC DIAGNOSTICS .......................................19 3.10 CABIN HEATER ...................................................19 3.10.1 GENERAL SAFETY INFORMATION ...........................20 3.10.2 COMPONENT DESCRIPTION AND OPERATION ................20 3.10.2.1 DCHA ASSEMBLY..........................................20 3.10.2.2 COMBUSTION AIR FAN .....................................20 3.10.2.3 BURNER HOUSING ........................................20 3.10.2.4 BURNER INSERT ..........................................21 3.10.2.5 CONTROL UNIT/HEAT EXCHANGER ..........................21 3.10.2.6 DOSING PUMP ............................................21 3.10.3 OPERATION ..............................................21 3.10.3.1 ACTIVATION ..............................................21 3.10.3.2 HEATING .................................................22 3.10.3.3 DEACTIVATION ............................................22 3.10.4 DIAGNOSTICS ............................................22 3.11 INSTRUMENT CLUSTER ............................................22 3.11.1 INSTRUMENT CLUSTER SELF TEST .........................22 3.11.2 MESSAGE CENTER ........................................23 3.12 INTERIOR LIGHTING ...............................................23 3.12.1 COURTESY LAMP CONTROL ................................23 3.12.2 ILLUMINATED ENTRY ......................................23 3.12.3 INTERIOR LIGHTING BATTERY SAVER .......................23 3.13 MEMORY SYSTEM.................................................23 3.13.1 POWER SEAT .............................................23 3.13.2 MEMORY MIRRORS........................................24 3.14 OVERHEAD CONSOLE .............................................24 3.14.1 VEHICLE INFORMATION DISPLAY............................24 3.14.2 TRAVELER DISPLAY FUNCTIONS ............................25 3.14.3 SETTING MAGNETIC ZONE VARIANCE .......................26 3.14.4 COMPASS CALIBRATION ...................................26 3.14.5 SELF-CHECK DIAGNOSTICS ................................27 3.14.6 AMBIENT TEMPERATURE SENSOR ..........................27 3.14.7 AMBIENT TEMPERATURE SENSOR FAULT CODES .............27 3.14.8 HOMELINKT UNIVERSAL TRANSMITTER ......................28 3.14.9 TIRE PRESSURE MONITORING SYSTEM (TPM) ................28 3.14.9.1 TRAINING THE EVIC .......................................28 3.14.9.2 PRESSURE THRESHOLDS ..................................29 3.14.9.3 CRITICAL AND NON-CRITICAL SYSTEM ALERTS ...............29 3.14.9.4 SYSTEM FAULTS ..........................................29 3.14.9.5 SPARE WHEEL AUTO-DETECT ..............................29 3.14.9.6 DIAGNOSING AND CLEARING SYSTEM FAULTS ...............29 3.14.9.7 SYSTEM TEST ............................................30 3.15 POWER DOOR LOCK SYSTEM ......................................30 3.15.1 DOOR LOCK INHIBIT .......................................30 3.15.2 AUTOMATIC DOOR LOCKS .................................30 ii

TABLE OF CONTENTS - Continued 3.15.3 REMOTE KEYLESS ENTRY (RKE) ............................30 3.16 POWER FOLDING MIRRORS ........................................31 3.17 POWER LIFTGATE SYSTEM .........................................31 3.17.1 POWER LIFTGATE .........................................31 3.17.2 DIAGNOSTIC FEATURES ...................................31 3.17.3 SYSTEM INHIBITORS ......................................31 3.18 POWER SLIDING DOOR SYSTEM ....................................31 3.18.1 POWER SLIDING DOOR ....................................31 3.18.2 DIAGNOSTIC FEATURES ...................................32 3.18.3 SYSTEM INHIBITORS ......................................32 3.19 REAR WINDOW DEFOG/HEATED MIRROR/FRONT WIPER DE-ICE ........32 3.20 VEHICLE THEFT SECURITY SYSTEM .................................32 3.20.1 THATCHAM ALARM SYSTEM (EXPORT ONLY) .................33 3.21 WIPER SYSTEM ...................................................33 3.21.1 FRONT WIPER ............................................33 3.21.2 SPEED SENSITIVE INTERMITTENT WIPE MODE ...............33 3.21.3 PULSE WIPE ..............................................33 3.21.4 PARK AFTER IGNITION OFF.................................33 3.21.5 WIPE AFTER WASH ........................................33 3.21.6 REAR WIPER .............................................33 3.21.7 SPEED SENSITIVE INTERMITTENT WIPE MODE ...............34 3.21.8 WIPE AFTER WASH ........................................34 3.22 USING THE DRBIIIT ................................................34 3.23 DRBIIIT ERROR MESSAGES ........................................34 3.24 DRBIIIT DOES NOT POWER UP (BLANK SCREEN)......................34 3.25 DISPLAY IS NOT VISIBLE ...........................................34 4.0 DISCLAIMERS, SAFETY, WARNINGS ......................................34 4.1 DISCLAIMERS.....................................................34 4.2 SAFETY ..........................................................34 4.2.1 TECHNICIAN SAFETY INFORMATION .........................34 4.2.2 VEHICLE PREPARATION FOR TESTING .......................35 4.2.3 SERVICING SUB-ASSEMBLIES ..............................35 4.2.4 DRBIIIT SAFETY INFORMATION .............................35 4.3 WARNINGS .......................................................36 4.3.1 VEHICLE DAMAGE WARNINGS ..............................36 4.3.2 ROAD TESTING A COMPLAINT VEHICLE......................36 5.0 REQUIRED TOOLS AND EQUIPMENT .....................................36 6.0 GLOSSARY OF TERMS..................................................36 7.0 DIAGNOSTIC INFORMATION AND PROCEDURES ...........................39 AIRBAG ACCELEROMETER 1 ....................................................40 ACCELEROMETER 2 ....................................................40 INTERNAL 1 ...........................................................40 INTERNAL 2 ...........................................................40 OUTPUT DRIVER 1 .....................................................40 OUTPUT DRIVER 2 .....................................................40 STORED ENERGY FIRING 1..............................................40 AIRBAG WARNING INDICATOR OPEN .....................................42 iii

TABLE OF CONTENTS - Continued AIRBAG WARNING INDICATOR SHORT ....................................42 CALIBRATION MISMATCH................................................44 CLUSTER MESSAGE MISMATCH .........................................46 CONFIGURATION ERROR ...............................................48 DRIVER SEAT BELT SWITCH OPEN .......................................50 DRIVER SEAT BELT SWITCH SHORTTO BATTERY ..........................52 DRIVER SEAT BELT SWITCH SHORT TO GROUND ..........................54 DRIVER SEAT BELT TENSIONER CIRCUIT OPEN ............................57 DRIVER SEAT BELT TENSIONER CIRCUIT SHORT ..........................59 DRIVER SEAT BELT TENSIONER SHORT TO BATTERY.......................61 DRIVER SEAT BELT TENSIONER SHORT TO GROUND .......................63 DRIVER SQUIB 1 CIRCUIT OPEN .........................................65 DRIVER SQUIB 1 CIRCUIT SHORT ........................................68 DRIVER SQUIB 1 SHORT TO BATTERY ....................................70 DRIVER SQUIB 1 SHORT TO GROUND ....................................73 DRIVER SQUIB 2 CIRCUIT OPEN .........................................76 DRIVER SQUIB 2 CIRCUIT SHORT ........................................79 DRIVER SQUIB 2 SHORT TO BATTERY ....................................82 DRIVER SQUIB 2 SHORT TO GROUND ....................................85 INTERROGATE LEFT SIACM .............................................88 INTERROGATE RIGHT SIACM ............................................90 LOSS OF IGNITION RUN ONLY ...........................................92 LOSS OF IGNITION RUN-START ..........................................94 MODULE NOT CONFIGURED FOR SAB ....................................96 NO CLUSTER MESSAGE ................................................98 NO LEFT SIACM MESSAGE .............................................100 NO ODOMETER MESSAGE .............................................102 NO PCI TRANSMISSION ................................................104 NO RIGHT SIACM MESSAGE ............................................107 ORC RUN - START DRIVER OVER CURRENT ..............................109 ORC RUN - START DRIVER OVER TEMP ..................................109 ORC RUN - START DRIVER SHORT TO GROUND ..........................109 ORC RUN - START DRIVER OPEN .......................................109 ORC RUN - START DRIVER OVER VOLT ..................................109 ORC RUN ONLY DRIVER OPEN ..........................................114 ORC RUN ONLY DRIVER OVER CURRENT ................................114 ORC RUN ONLY DRIVER OVER TEMP ....................................114 ORC RUN ONLY DRIVER OVER VOLT ....................................114 ORC RUN ONLY DRIVER SHORT TO GROUND .............................114 PASSENGER SEAT BELT SWITCH OPEN ..................................119 PASSENGER SEAT BELT SWITCH SHORTTO BATTERY .....................121 PASSENGER SEAT BELT SWITCH SHORTTO GROUND .....................123 PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN ......................126 PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT .....................128 PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY .................130 PASSENGER SEAT BELT TENSIONER SHORT TO GROUND .................132 PASSENGER SQUIB 1 CIRCUIT OPEN ....................................134 PASSENGER SQUIB 1 CIRCUIT SHORT ...................................137 PASSENGER SQUIB 1 SHORT TO BATTERY ...............................139 PASSENGER SQUIB 1 SHORT TO GROUND ...............................141 PASSENGER SQUIB 2 CIRCUIT OPEN ....................................143 PASSENGER SQUIB 2 CIRCUIT SHORT ...................................146 PASSENGER SQUIB 2 SHORT TO BATTERY ...............................148 iv

TABLE OF CONTENTS - Continued PASSENGER SQUIB 2 SHORT TO GROUND ...............................150 SEAT SQUIB CIRCUIT OPEN ............................................152 SEAT SQUIB CIRCUIT SHORT ...........................................155 SEAT SQUIB SHORT TO BATTERY .......................................158 SEAT SQUIB SHORT TO GROUND .......................................161 SIACM RUN - START DRIVER OPEN......................................164 SIACM RUN - START DRIVER OVER CURRENT ............................164 SIACM RUN - START DRIVER OVER TEMP ................................164 SIACM RUN - START DRIVER SHORT TO GROUND.........................164 SIACM RUN - START DRIVER OVER VOLT ................................164 VEHICLE BODY STYLE UNKNOWN.......................................170 *AIRBAG INDICATOR ON WITHOUT ACM TROUBLE CODES .................172 AUDIO ALL OUTPUTS SHORT .................................................173 CASSETTE PLAYER INOP ..............................................176 CD MECHANICAL FAILURE .............................................176 REAR TRANSMITTER FAILURE ..........................................176 *AM/FM SWITCH INOPERATIVE ..........................................176 *ANY STATION PRESET SWITCH INOPERATIVE ............................176 *BALANCE INOPERATIVE ...............................................176 *CD EJECT SWITCH INOPERATIVE.......................................176 *EQUALIZER INOPERATIVE .............................................176 *FADER INOPERATIVE .................................................176 *FF/RW SWITCH INOPERATIVE ..........................................176 *HOUR/MINUTE SWITCHES INOPERATIVE ................................176 *PAUSE/PLAY SWITCH INOPERATIVE ....................................176 *PWR SWITCH INOPERATIVE ...........................................176 *SCAN SWITCH INOPERATIVE ..........................................176 *SEEK SWITCH INOPERATIVE ...........................................176 *SET SWITCH INOPERATIVE ............................................176 *TAPE EJECT SWITCH INOPERATIVE.....................................176 *TIME SWITCH INOPERATIVE ...........................................176 *TUNE SWITCH INOPERATIVE...........................................176 CD CHANGER MECHANICAL FAILURE ....................................178 CD CHANGER READ FAILURE...........................................179 CD CHANGER TEMPERATURE HIGH .....................................180 CD READ FAILURE ....................................................181 CD TEMPERATURE HIGH ...............................................182 NBS OUTPUT 1 OPEN..................................................183 NBS OUTPUT 2 OPEN..................................................183 NBS OUTPUT 1 SHORT TO BATT ........................................185 NBS OUTPUT 2 SHORT TO BATT ........................................185 NO ANTENNA CONNECTION ............................................187 POWER AMP SHUTDOWN ..............................................188 REMOTE RADIO SWITCH STUCK ........................................191 *REMOTE RADIO CONTROLS INOPERATIVE ..............................194 AUTOMATIC TEMPERATURE CONTROL AC PRESSURE TOO HIGH (ACTIVE)......................................197 AC PRESSURE TOO HIGH (STORED).....................................198 DRIVER BLEND DOOR NOT RESPONDING (STORED) ......................198 DRIVER BLEND DOOR RANGE TOO LARGE (STORED) .....................198 v

TABLE OF CONTENTS - Continued DRIVER BLEND DOOR TRAVEL TOO SMALL (STORED) .....................198 EVAP TEMP SENSOR OPEN (STORED) ...................................198 EVAP TEMP SENSOR SHORTED (STORED) ...............................198 FRONT IR SENSOR AND CONTROL HEAD MISMATCH (STORED) .............198 FRONT IR SENSOR CHANGE TOO LARGE (STORED) .......................198 FRONT IR SENSOR HIGH (STORED) .....................................198 FRONT IR SENSOR LOW (STORED) ......................................198 FRONT IR SENSOR NOT CALIBRATED (STORED) ..........................198 FRONT KEYBOARD COMMUNICATION FAULT (STORED) ....................198 FRONT KEYBOARD FAULT (STORED) ....................................198 FRONT MODE DOOR NOT RESPONDING (STORED) ........................198 FRONT MODE DOOR TRAVEL TOO LARGE (STORED) ......................198 FRONT MODE DOOR TRAVEL TOO SMALL (STORED) ......................198 PASS BLEND DOOR NOT RESPONDING (STORED).........................198 PASS BLEND DOOR TRAVEL TOO LARGE (STORED) .......................198 PASS BLEND DOOR TRAVEL TOO SMALL (STORED) .......................198 PCI BUS SHORTED HIGH (STORED) .....................................198 PCI BUS SHORTED LOW (STORED) ......................................198 REAR BLEND DOOR NOT RESPONDING (STORED) ........................198 REAR BLEND DOOR RANGE TOO LARGE (STORED) .......................198 REAR BLEND DOOR TRAVEL TOO SMALL (STORED) .......................198 REAR FAN POT OPEN (STORED) ........................................198 REAR FAN POT SHORTED (STORED) ....................................198 REAR IR SENSOR HIGH (STORED) ......................................198 REAR IR SENSOR LOW (STORED) .......................................198 REAR IR SENSOR NOT CALIBRATED (STORED) ...........................198 REAR KEYBOARD FAULT (STORED) .....................................198 REAR MODE DOOR NOT RESPONDING (STORED) .........................198 REAR MODE DOOR TRAVEL TOO LARGE (STORED) .......................198 REAR MODE DOOR TRAVEL TOO SMALL (STORED) ........................198 REAR MODE POT OPEN (STORED) ......................................198 REAR MODE POT SHORTED (STORED) ..................................198 RECIRC DOOR NOT RESPONDING (STORED) .............................198 RECIRC DOOR TRAVEL TOO LARGE (STORED)............................198 RECIRC DOOR TRAVEL TOO SMALL (STORED) ............................198 COOLDOWN TEST FAILED ..............................................205 DRIVER BLEND DOOR NOT RESPONDING (ACTIVE) .......................207 DRIVER BLEND DOOR TRAVEL TOO LARGE (ACTIVE) ......................209 DRIVER BLEND DOOR TRAVEL TOO SMALL (ACTIVE) ......................211 EEPROM CHECKSUM ERROR (ACTIVE) ..................................213 EVAP TEMP SENSOR OPEN (ACTIVE) ....................................214 EVAP TEMP SENSOR SHORTED (ACTIVE) ................................217 FRONT IR SENSOR AND CONTROL HEAD MISMATCH (ACTIVE) ..............219 FRONT IR SENSOR CHANGE TOO LARGE (ACTIVE) ........................219 FRONT IR SENSOR HIGH (ACTIVE) ......................................219 FRONT IR SENSOR LOW (ACTIVE) .......................................219 FRONT IR SENSOR NOT CALIBRATED (ACTIVE) ...........................220 FRONT KEYBOARD FAULT (ACTIVE) .....................................220 FRONT KEYBOARD COMMUNICATION FAULT (ACTIVE) .....................225 FRONT MODE DOOR NOT RESPONDING (ACTIVE) .........................226 FRONT MODE DOOR TRAVEL TOO LARGE (ACTIVE) .......................228 FRONT MODE DOOR TRAVEL TOO SMALL (ACTIVE) .......................230 vi

TABLE OF CONTENTS - Continued INVALID CONDITIONS FOR COOLDOWN TEST, EVAP TEMPERATURE TOO LOW.........................................232 PASS BLEND DOOR NOT RESPONDING (ACTIVE)..........................235 PASS BLEND DOOR TRAVEL TOO LARGE (ACTIVE) ........................237 PASS BLEND DOOR TRAVEL TOO SMALL (ACTIVE) ........................239 PCI BUS SHORTED HIGH (ACTIVE) ......................................241 PCI BUS SHORTED LOW (ACTIVE) .......................................241 REAR BLEND DOOR NOT RESPONDING (ACTIVE) .........................242 REAR BLEND DOOR TRAVEL TOO LARGE (ACTIVE) ........................244 REAR BLEND DOOR TRAVEL TOO SMALL (ACTIVE) ........................246 REAR FAN POT OPEN (ACTIVE) .........................................248 REAR FAN POT SHORTED (ACTIVE) .....................................248 REAR IR SENSOR HIGH (ACTIVE) .......................................248 REAR IR SENSOR LOW (ACTIVE) ........................................248 REAR MODE POT OPEN (ACTIVE) .......................................248 REAR MODE POT SHORTED (ACTIVE) ...................................248 REAR IR SENSOR NOT CALIBRATED (ACTIVE) ............................250 REAR KEYBOARD FAULT (ACTIVE) ......................................254 REAR MODE DOOR NOT RESPONDING (ACTIVE) ..........................258 REAR MODE DOOR TRAVEL TOO LARGE (ACTIVE) ........................260 REAR MODE DOOR TRAVEL TOO SMALL (ACTIVE) .........................262 RECIRC DOOR NOT RESPONDING (ACTIVE) ..............................264 RECIRC DOOR TRAVEL TOO LARGE (ACTIVE).............................266 RECIRC DOOR TRAVEL TOO SMALL (ACTIVE) .............................268 *ATC HEAD LED(S)/BACK LIGHTING INOPERATIVE .........................270 *FRONT BLOWER MOTOR INOPERATIVE .................................272 *FRONT BLOWER RUNS AT ONLY ONE SPEED ............................279 *HVAC SYSTEM TEST ..................................................281 *REAR ATC SWITCH LED(S)/BACK LIGHTING INOPERATIVE .................283 *REAR BLOWER MOTOR INOPERATIVE ..................................285 *REAR BLOWER RUNS AT ONLY ONE SPEED .............................292 CABIN HEATER CABIN HEATER PRE-TEST ..............................................294 CABIN HEATER CONTROL CIRCUIT OPEN (STORED) .......................294 CABIN HEATER CONTROL CIRCUIT SHORT TO BATTERY (STORED) ..........294 B1000 CONTROL UNIT ERRONEOUS .....................................297 B1800 NO START ......................................................298 B1801 FLAME OUT: DURING HEATING CYCLE .............................298 B1801 FLAME OUT: UNSTABLE OPERATION ...............................298 B1802 POWER SUPPLY OUT OF RANGE: LOW VOLTAGE THRESHOLD........302 B1802 POWER SUPPLY OUT OF RANGE: VOLTAGEABOVE 15.5 VOLTS .......305 B1803 FLAME DETECTED PRIOR TO COMBUSTION ........................306 B1811 HEATER OVERHEATED ...........................................307 B1813 HEATER IN LOCKOUT MODE ......................................311 B1820 DOSING PUMP CIRCUIT: OPEN OR SHORT TO BATTERY .............313 B1820 DOSING PUMP CIRCUIT: SHORT TO GROUND .......................316 B1821 COMBUSTION AIR FAN CIRCUIT: OPEN .............................319 B1821 COMBUSTION AIR FAN CIRCUIT: SHORT TO GROUND ................319 B1822 GLOW PIN/FLAME SENSOR: OPEN ................................320 B1822 GLOW PIN/FLAME SENSOR: SHORT TO GROUND ...................320 B1823 WATER PUMP CIRCUIT: OPEN.....................................321 B1823 WATER PUMP CIRCUIT: SHORTTO GROUND........................321 vii

TABLE OF CONTENTS - Continued B1824 FAN SWITCH LINE SHORT TO GROUND ............................322 CABIN HEATER CONTROL CIRCUIT OPEN (ACTIVE) ........................323 CABIN HEATER CONTROL CIRCUIT SHORT TO BATTERY (ACTIVE)...........327 *CABIN HEATER INOPERABLE FROM A/C - HEATER MODULE ...............330 CHIME *CHIME INOPERATIVE..................................................332 *KEY IN IGNITION AND DRIVER’S DOOR OPEN CHIME NOT OPERATING PROPERLY ...........................................334 *PROBLEM WITH THE VEHICLE SPEED WARNING CHIME...................335 COMMUNICATION APM MESSAGES NOT RECEIVED ........................................336 ATC MODULE MESSAGES NOT RECEIVED ................................337 AUDIO MESSAGES NOT RECEIVED ......................................338 BCM, PCI BUS SHORTED TO BATTERY ...................................339 BCM, PCI BUS SHORTED TO GROUND ...................................339 FCM, PCI BUS SHORTED TO BATTERY ...................................339 FCM, PCI BUS SHORTED TO GROUND ...................................339 COUNTRY CODE NOT PROGRAMMED ...................................341 FCM MESSAGES NOT RECEIVED ........................................342 FCM, BCM COMMUNICATION FAULT .....................................343 FCM, HVAC COMMUNICATION FAULT ....................................344 FCM, PCI INTERNAL FAULT .............................................345 FCM, PCM COMMUNICATION FAULT .....................................346 FCM, RADIO COMMUNICATION FAULT ...................................347 FCM, TCM COMMUNICATION FAULT .....................................348 IGNITION MUX SWITCH INPUT OPEN ....................................349 IGNITION MUX SWITCH INPUT SHORT ...................................351 IGNITION RUN OUTPUT SHORT .........................................353 INTERNAL BCM FAILURE ...............................................355 LEFT PSD MESSAGES NOT RECEIVED ...................................356 LIFTGATE MODULE MESSAGES NOT RECEIVED...........................357 MIC MESSAGES NOT RECEIVED ........................................358 MSM MESSAGES NOT RECEIVED .......................................359 NO PCI MESSAGES FROM CD CHANGER.................................360 ORC MESSAGES NOT RECEIVED........................................362 OTIS MODULE MESSAGES NOT RECEIVED ...............................363 PCI INTERNAL HARDWARE FAILURE .....................................364 PCM MESSAGES NOT RECEIVED........................................365 RADIO MEM MSG NOT RECEIVED .......................................366 RIGHT PSD MESSAGES NOT RECEIVED..................................367 RUN/START HARDWIRE INPUT FAILURE ..................................368 SKIM MESSAGES NOT RECEIVED .......................................370 TCM MESSAGES NOT RECEIVED ........................................371 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM AUTOMATIC TEMPERATURE CONTROL MODULE ....................372 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM BODY CONTROL MODULE ........................................374 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM HVAC ..................376 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM INSTRUMENT CLUSTER . .378 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM LEFT SLIDING DOOR CONTROL MODULE ..........................381 viii

TABLE OF CONTENTS - Continued *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM MEMORY SEAT/MIRROR MODULE .................................384 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM POWER LIFTGATE MODULE ......................................386 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM RIGHT SLIDING DOOR CONTROL MODULE .........................389 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM SENTRY KEY IMMOBILIZER MODULE ..............................392 *BUS +/- SIGNALS OPEN OR NO RESPONSE FROM THATCHAM ALARM MODULE ......................................394 *NO RESPONSE FROM ADJUSTABLE PEDAL MODULE .....................396 *NO RESPONSE FROM AIRBAG CONTROL MODULE .......................398 *NO RESPONSE FROM CABIN HEATER ASSIST - DIESEL ONLY ..............400 *NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE ...................402 *NO RESPONSE FROM ECM (PCI BUS) - DIESEL ONLY .....................404 *NO RESPONSE FROM ECM (SCI ONLY) - DIESEL ONLY ....................405 *NO RESPONSE FROM FRONT CONTROL MODULE ........................407 *NO RESPONSE FROM LEFT SIACM .....................................409 *NO RESPONSE FROM OVERHEAD CONSOLE ............................411 *NO RESPONSE FROM PCM (PCI BUS) ...................................413 *NO RESPONSE FROM PCM (SCI ONLY) ..................................414 *NO RESPONSE FROM RADIO ..........................................417 *NO RESPONSE FROM RIGHT SIACM ....................................419 *NO RESPONSE FROM TRANSMISSION CONTROL MODULE ................421 *PCI BUS COMMUNICATION FAILURE ....................................424 DOOR AJAR *HOOD AJAR CIRCUIT OPEN (VTSS ONLY) ................................427 *HOOD AJAR CIRCUIT SHORTED TO GROUND (VTSS ONLY) ................428 *LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN .................429 *LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND. .430 *LEFT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN ................431 *LEFT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND ................................................433 *LIFTGATE AJAR CIRCUIT OPEN.........................................434 *LIFTGATE AJAR CIRCUIT SHORTED TO GROUND .........................435 *RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN ................436 *RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND ................................................437 *RIGHT SLIDING DOOR AJAR CIRCUIT OPEN .............................438 *RIGHT SLIDING DOOR AJAR CIRCUIT SHORTED TO GROUND ..............440 ELECTRICALLY HEATED SYSTEMS EBL RUN ONLY RELAY OPEN ...........................................441 EBLRUN ONLY RELAY SHORTED TO BATTERY............................443 EXTERIOR LIGHTING BACKUP LAMP OUTPUT OPEN ..........................................444 BACKUP LAMP OUTPUT SHORT .........................................446 FRONT FOG LAMP RELAY OPEN ........................................447 FRONT FOG LAMP SHORTED TO BATTERY ...............................449 HEADLAMP SWITCH MISMATCH .........................................450 HEADLAMP SWITCH OPEN .............................................451 ix

TABLE OF CONTENTS - Continued HEADLAMP SWITCH SHORT TO GROUND ................................453 HIGH BEAM SWITCH INPUT OPEN .......................................455 HIGH BEAM SWITCH INPUT SHORT ......................................457 LEFT FRONT TURN SIGNAL OUTPUT OPEN ...............................459 LEFT FRONT TURN SIGNAL OUTPUT SHORT..............................461 LEFT HIGH BEAM HEADLAMP CIRCUIT OPEN .............................463 LEFT HIGH BEAM HEADLAMP CIRCUIT SHORTED TO GROUND .............465 LEFT HIGH BEAM HEADLAMP CIRCUIT SHORTED TO VOLTAGE .............467 LEFT LOW BEAM HEADLAMP CIRCUIT OPEN .............................469 LEFT LOW BEAM HEADLAMP CIRCUIT SHORTED TO GROUND ..............471 LEFT LOW BEAM HEADLAMP CIRCUIT SHORTED TO VOLTAGE..............473 LEFT REAR TURN SIGNAL OUTPUT OPEN ................................475 LEFT REAR TURN SIGNAL OUTPUT SHORT ...............................477 LEFT SIDE PARK LAMP OPEN ...........................................479 PARK LAMP OUTPUT 1 OPEN ...........................................481 PARK LAMP OUTPUT 1 SHORT TO BATTERY ..............................483 PARK LAMP OUTPUT 2 OPEN ...........................................484 PARK LAMP OUTPUT 2 SHORT TO BATTERY ..............................486 RIGHT FRONT TURN SIGNAL OUTPUT OPEN..............................487 RIGHT FRONT TURN SIGNAL OUTPUT SHORT ............................489 RIGHT HIGH BEAM HEADLAMP CIRCUIT OPEN ............................491 RIGHT HIGH BEAM HEADLAMP CIRCUIT SHORTED TO GROUND ............493 RIGHT HIGH BEAM HEADLAMP CIRCUIT SHORTED TO VOLTAGE ............495 RIGHT LOW BEAM HEADLAMP CIRCUIT OPEN ............................497 RIGHT LOW BEAM HEADLAMP CIRCUIT SHORTED TO GROUND.............499 RIGHT LOW BEAM HEADLAMP CIRCUIT SHORTED TO VOLTAGE ............501 RIGHT REAR TURN SIGNAL OUTPUT OPEN ...............................503 RIGHT REAR TURN SIGNAL OUTPUT SHORT..............................505 RIGHT SIDE PARK LAMP OPEN..........................................507 TURN SIGNAL SWITCH INPUT OPEN .....................................509 TURN SIGNAL SWITCH INPUT SHORT ....................................511 HEATING & A/C A/C FAULT (ACTIVE) - MTC .............................................513 CHECKSUM FAILURE (ACTIVE) - MTC ....................................513 POWER FAULT (ACTIVE) - MTC..........................................513 REAR DEFOG FAILURE (ACTIVE) - MTC ..................................513 RECIRCULATION FAULT (ACTIVE) - MTC ..................................513 UNKNOWN FAULT DETECTED (ACTIVE) - MTC ............................513 A/C FAULT (STORED) - MTC ............................................515 BACKLIGHT DIMMING RX FAILURE (STORED) - MTC .......................515 BLEND OVERCURRENT (STORED) - MTC .................................515 CHECKSUM FAILURE (STORED) - MTC ...................................515 EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (STORED) - MTC .....515 EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT (STORED) - MTC ....515 LOOPBACK TEST FAILURE (STORED) - MTC ..............................515 MODE OVERCURRENT (STORED) - MTC .................................515 NO BCM MESSAGE RECEIVED (STORED) - MTC...........................515 NO PCM MESSAGE RECEIVED (STORED) - MTC...........................515 PCM COMMUNICATION FAILURE (STORED) - MTC .........................515 POWER FAULT (STORED) - MTC .........................................515 REAR BLEND OVERCURRENT (STORED) - MTC ...........................515 REAR BLEND POT CIRCUIT OPEN (STORED) - MTC ........................515 x

2003-2007 Dodge Caravan Dodge Grand Caravan Service & Repair Manual

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