2009 Nissan Cube Service & Repair Manual Software

HAC-1 VENTILATION, HEATER & AIR CONDITIONER C D E F G H J K L M SECTION HAC A B HAC N O P CONTENTS HEATER & AIR CONDITIONING CONTROL SYSTEM AUTOMATIC AIR CONDITIONER BASIC INSPECTION ................................... 6 DIAGNOSIS AND REPAIR WORK FLOW ........ 6 Work Flow ................................................................ 6 INSPECTION ...................................................... 9 Description & Inspection .......................................... 9 AUXILIARY MECHANISM ................................11 Temperature Setting Trimmer ................................ 11 Inlet Port Memory Function .................................... 12 SYSTEM DESCRIPTION ............................ 13 COMPRESSOR CONTROL FUNCTION ...........13 Description ............................................................. 13 Component Parts Location ..................................... 14 Component Description .......................................... 14 AUTOMATIC AIR CONDITIONER SYSTEM ....16 System Diagram ..................................................... 16 System Description ................................................ 16 Component Parts Location ..................................... 25 Component Description .......................................... 25 DIAGNOSIS SYSTEM (A/C AUTO AMP.) ........27 Diagnosis Description ............................................ 27 DIAGNOSIS SYSTEM (BCM) (WITH INTELLI- GENT KEY SYSTEM) ........................................31 COMMON ITEM ........................................................ 31 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) .................................................... 31 AIR CONDITIONER .................................................. 32 AIR CONDITIONER : CONSULT-III Function (BCM - AUTO AIR CONDITIONER) ...................... 32 DIAGNOSIS SYSTEM (BCM) (WITHOUT IN- TELLIGENT KEY SYSTEM) ..............................34 COMMON ITEM ........................................................34 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) ....................................................34 AIR CONDITIONER ..................................................34 AIR CONDITIONER : CONSULT-III Function (BCM - AUTO AIR CONDITIONER) .......................35 DTC/CIRCUIT DIAGNOSIS ........................ 36 AMBIENT SENSOR .......................................... 36 Description ..............................................................36 Diagnosis Procedure ..............................................36 Component Inspection ............................................37 IN-VEHICLE SENSOR ...................................... 39 Description ..............................................................39 Diagnosis Procedure ..............................................39 Component Inspection ............................................40 INTAKE SENSOR ............................................. 42 Description ..............................................................42 Diagnosis Procedure ..............................................42 Component Inspection ............................................43 SUNLOAD SENSOR ......................................... 44 Description ..............................................................44 Diagnosis Procedure ..............................................44 Component Inspection ............................................45 AIR MIX DOOR MOTOR ................................... 47 Description ..............................................................47 Diagnosis Procedure ..............................................47 Component Inspection ............................................48 MODE DOOR MOTOR ...................................... 50 Description ..............................................................50 Diagnosis Procedure ..............................................50 Component Inspection ............................................51 INTAKE DOOR MOTOR ................................... 53 Description ..............................................................53 Diagnosis Procedure ..............................................53 Revision: 2009 March 2009 Z12

HAC-2 Component Inspection ........................................... 56 BLOWER MOTOR ............................................ 57 Description ............................................................. 57 Component Function Check .................................. 57 Diagnosis Procedure ............................................. 57 Component Inspection ........................................... 60 MAGNET CLUTCH ........................................... 62 Description ............................................................. 62 Component Function Check .................................. 62 Diagnosis Procedure ............................................. 62 A/C ON SIGNAL ............................................... 63 Component Function Check .................................. 63 Diagnosis Procedure ............................................. 63 BLOWER FAN ON SIGNAL ............................. 65 Component Function Check .................................. 65 Diagnosis Procedure ............................................. 65 POWER SUPPLY AND GROUND CIRCUIT .... 67 A/C AUTO AMP. ...................................................... 67 A/C AUTO AMP. : Diagnosis Procedure ............... 67 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) ........................................... 68 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Diagnosis Procedure .... 68 BCM (BODY CONTROL SYSTEM) (WITHOUT IN- TELLIGENT KEY SYSTEM) .................................... 69 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diagnosis Proce- dure ....................................................................... 69 A/C AUTO AMP. ............................................... 71 Description ............................................................. 71 Component Function Check .................................. 71 Diagnosis Procedure ............................................. 71 ECU DIAGNOSIS INFORMATION ............. 72 A/C AUTO AMP. ............................................... 72 Reference Value .................................................... 72 Wiring Diagram - AIR CONDITIONER CONTROL SYSTEM - .............................................................. 75 BCM (BODY CONTROL MODULE) ................. 82 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) ........................................... 82 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Reference Value ........... 82 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Wiring Diagram - BCM - .. 103 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Fail-safe ....................... 107 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : DTC Inspection Priority Chart ............................ 109 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : DTC Index .................. 111 BCM (BODY CONTROL SYSTEM) (WITHOUT IN- TELLIGENT KEY SYSTEM) ................................... 113 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Reference Value . 113 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Wiring Diagram - BCM - ................................................................... 128 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Fail-safe ............ 132 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : DTC Index ........ 133 SYMPTOM DIAGNOSIS ........................... 135 AUTOMATIC AIR CONDITIONER SYSTEM .. 135 Diagnosis Chart By Symptom .............................. 135 INSUFFICIENT COOLING ............................... 136 Description ........................................................... 136 Diagnosis Procedure ............................................ 136 INSUFFICIENT HEATING ............................... 138 Description ........................................................... 138 Diagnosis Procedure ............................................ 138 COMPRESSOR DOSE DOT OPERATE ......... 139 Description ........................................................... 139 Diagnosis Procedure ............................................ 139 MEMORY FUNCTION DOES NOT OPERATE .. 141 Description ........................................................... 141 Inspection Procedure ........................................... 141 PRECAUTION ........................................... 142 PRECAUTIONS ............................................... 142 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" .............................................................. 142 Precaution Necessary for Steering Wheel Rota- tion after Battery Disconnect ................................ 142 REMOVAL AND INSTALLATION ............. 144 A/C CONTROL (A/C AUTO AMP.) ................. 144 Exploded View ..................................................... 144 Removal and Installation ...................................... 144 AMBIENT SENSOR ......................................... 145 Exploded View ..................................................... 145 Removal and Installation ...................................... 145 IN-VEHICLE SENSOR ..................................... 146 Exploded View ..................................................... 146 Removal and Installation ...................................... 146 SUNLOAD SENSOR ....................................... 147 Exploded View ..................................................... 147 Removal and Installation ...................................... Revision: 2009 March 2009 Z12

HAC-3 C D E F G H J K L M A B HAC N O P INTAKE SENSOR ........................................... 148 Exploded View ..................................................... 148 Removal and Installation ...................................... 148 REFRIGERANT PRESSURE SENSOR .......... 149 Exploded View ..................................................... 149 Removal and Installation ...................................... 149 POWER TRANSISTOR ................................... 151 Exploded View ..................................................... 151 Removal and Installation ...................................... 151 DOOR MOTOR ................................................ 152 Exploded View ..................................................... 152 INTAKE DOOR MOTOR ......................................... 153 INTAKE DOOR MOTOR : Removal and Installa- tion ....................................................................... 153 MODE DOOR MOTOR ........................................... 153 MODE DOOR MOTOR : Removal and Installation .. 154 AIR MIX DOOR MOTOR ........................................ 154 AIR MIX DOOR MOTOR : Removal and Installa- tion ....................................................................... 154 MANUAL AIR CONDITIONER BASIC INSPECTION ................................ 155 DIAGNOSIS AND REPAIR WORKFLOW ...... 155 Work Flow ............................................................ 155 INSPECTION ................................................... 157 Description & Inspection ...................................... 157 SYSTEM DESCRIPTION .......................... 159 COMPRESSOR CONTROL FUNCTION ......... 159 Description ........................................................... 159 Component Part Location .................................... 160 Component Description ........................................ 160 MANUAL AIR CONDITIONER SYSTEM ........ 162 System Diagram ................................................... 162 System Description .............................................. 162 Component Part Location .................................... 166 Component Description ........................................ 166 DIAGNOSIS SYSTEM (BCM) ......................... 168 COMMON ITEM ...................................................... 168 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) .................................................. 168 AIR CONDITIONER ................................................ 168 AIR CONDITIONER : CONSULT-III Function ...... 169 DTC/CIRCUIT DIAGNOSIS ...................... 170 POWER SUPPLY AND GROUND CIRCUIT ... 170 BCM ........................................................................ 170 BCM : Diagnosis Procedure ................................. 170 INTAKE DOOR MOTOR ................................. 171 Description ............................................................ 171 Diagnosis Procedure ............................................ 171 Component Inspection .......................................... 172 THERMO CONTROL AMPLIFIER .................. 173 Description ............................................................ 173 Component Function Check ................................. 173 Diagnosis Procedure ............................................ 173 BLOWER MOTOR .......................................... 176 Description ............................................................ 176 Diagnosis Procedure ............................................ 176 Component Inspection .......................................... 178 MAGNET CLUTCH ......................................... 180 Description ............................................................ 180 Component Function Check ................................. 180 Diagnosis Procedure ............................................ 180 A/C SWITCH ................................................... 181 Description ............................................................ 181 Component Function Check ................................. 181 Diagnosis Procedure ............................................ 181 DEFROSTER POSITION SIGNAL .................. 183 Description ............................................................ 183 Component Function Check ................................. 183 Diagnosis Procedure ............................................ 183 A/C INDICATOR .............................................. 185 Component Function Check ................................. 185 Diagnosis Procedure ............................................ 185 BLOWER FAN ON SIGNAL ........................... 187 Component Function Check ................................. 187 Diagnosis Procedure ............................................ 187 MANUAL AIR CONDITIONER SYSTEM ........ 189 Wiring Diagram — AIR CONDITIONER CON- TROL SYSTEM — ................................................ 189 ECU DIAGNOSIS INFORMATION ........... 193 BCM (BODY CONTROL MODULE) ............... 193 Reference Value ................................................... 193 Wiring Diagram - BCM - ....................................... 208 Fail-safe ................................................................ 211 DTC Index ............................................................ 212 SYMPTOM DIAGNOSIS ........................... 214 MANUAL AIR CONDITIONER SYSTEM ........ 214 Diagnosis Chart By Symptom ............................... 214 INSUFFICIENT COOLING .............................. 216 Description ............................................................ 216 Diagnosis Procedure ............................................ 216 INSUFFICIENT HEATING ............................... 217 Description ............................................................ 217 Diagnosis Procedure ............................................ 217 Revision: 2009 March 2009 Z12

HAC-4 COMPRESSOR DOSE DOT OPERATE ........ 218 Description ............................................................ 218 Diagnosis Procedure ............................................ 218 PRECAUTION ........................................... 220 PRECAUTIONS .............................................. 220 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" ............................................................... 220 Precaution Necessary for Steering Wheel Rota- tion after Battery Disconnect ................................ 220 REMOVAL AND INSTALLATION ............. 222 A/C CONTROL ............................................... 222 Exploded View ...................................................... 222 Removal and Installation ...................................... 222 THERMO CONTROL AMPLIFIER .................. 224 Exploded View ...................................................... 224 Removal and Installation ...................................... 224 REFRIGERANT PRESSURE SENSOR ......... 225 Exploded View ...................................................... 225 Removal and Installation ...................................... 225 BLOWER FAN RESISTOR ............................. 227 Exploded View ...................................................... 227 Removal and Installation ...................................... 227 INTAKE DOOR MOTOR ................................. 228 Exploded View ...................................................... 228 Removal and Installation ...................................... 228 DOOR CABLE ................................................ 229 Exploded View ...................................................... 229 MODE DOOR CABLE ............................................. 230 MODE DOOR CABLE : Removal and Installation .. 230 AIR MIX DOOR CABLE .......................................... 230 AIR MIX DOOR CABLE : Removal and Installation .. 230 MANUAL HEATER BASIC INSPECTION ................................. 232 DIAGNOSIS AND REPAIR WORKFLOW ...... 232 Work Flow ............................................................. 232 INSPECTION .................................................. 234 Description & Inspection ....................................... 234 SYSTEM DESCRIPTION .......................... 235 MANUAL HEATER SYSTEM ......................... 235 System Diagram ................................................... 235 System Description ............................................... 235 Component Part Location ..................................... 238 Component Description ........................................ 238 DIAGNOSIS SYSTEM (BCM) ......................... 239 COMMON ITEM ...................................................... 239 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) ................................................. 239 AIR CONDITIONER ................................................ 239 AIR CONDITIONER : CONSULT-III Function ...... 240 DTC/CIRCUIT DIAGNOSIS ....................... 241 POWER SUPPLY AND GROUND CIRCUIT ... 241 BCM ........................................................................ 241 BCM : Diagnosis Procedure ................................. 241 INTAKE DOOR MOTOR .................................. 242 Description ........................................................... 242 Diagnosis Procedure ............................................ 242 Component Inspection ......................................... 243 BLOWER MOTOR ........................................... 244 Description ........................................................... 244 Diagnosis Procedure ............................................ 244 Component Inspection ......................................... 246 DEFROSTER POSITION SIGNAL .................. 248 Description ........................................................... 248 Component Function Check ................................ 248 Diagnosis Procedure ............................................ 248 BLOWER FAN ON SIGNAL ............................ 250 Component Function Check ................................ 250 Diagnosis Procedure ............................................ 250 MANUAL HEATER SYSTEM .......................... 252 Wiring Diagram — HEATER CONTROL SYSTEM — ......................................................................... 252 ECU DIAGNOSIS INFORMATION ............ 255 BCM (BODY CONTROL MODULE) ................ 255 Reference Value .................................................. 255 Wiring Diagram - BCM - ....................................... 270 Fail-safe ............................................................... 273 DTC Index ........................................................... 274 SYMPTOM DIAGNOSIS ........................... 276 MANUAL HEATER SYSTEM .......................... 276 Diagnosis Chart By Symptom .............................. 276 INSUFFICIENT HEATING ............................... 277 Description ........................................................... 277 Diagnosis Procedure ............................................ 277 PRECAUTION ........................................... 278 PRECAUTIONS ............................................... 278 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" .............................................................. 278 Precaution Necessary for Steering Wheel Rota- tion after Battery Disconnect ................................ 278 Revision: 2009 March 2009 Z12

HAC-5 C D E F G H J K L M A B HAC N O P REMOVAL AND INSTALLATION ............ 280 HEATER CONTROL ....................................... 280 Exploded View ..................................................... 280 Removal and Installation ...................................... 280 BLOWER FAN RESISTOR ............................. 282 Exploded View ..................................................... 282 Removal and Installation ...................................... 282 INTAKE DOOR MOTOR ................................. 283 Exploded View ..................................................... 283 Removal and Installation ...................................... 283 DOOR CABLE ................................................. 284 Exploded View ...................................................... 284 MODE DOOR CABLE ............................................. 285 MODE DOOR CABLE : Removal and Installation .. 285 AIR MIX DOOR CABLE .......................................... 285 AIR MIX DOOR CABLE : Removal and Installation .. 285 Revision: 2009 March 2009 Z12

2009 Nissan Cube Service & Repair Manual Software

You're Reading a Preview

Recently Viewed