2000 Mercury Villager Service & Repair Manual Software

AUTOMATIC TRANSAXLE SECTION AT CONTENTS TROUBLE DIAGNOSIS - INDEX ....................................4 Alphabetical & P No. Index for DTC ...........................4 PRECAUTIONS ...............................................................6 Precautions for Supplemental Restraint System (SRS) ″AIR BAG″ ........................................................6 Precautions for On Board Diagnostic (OBD) System of A/T and Engine...........................................6 Precautions ..................................................................6 Service Notice or Precautions .....................................8 Wiring Diagrams and Trouble Diagnosis .....................9 PREPARATION .............................................................10 Special Service Tools ................................................10 Commercial Service Tools .........................................12 OVERALL SYSTEM ......................................................14 A/T Electrical Parts Location .....................................14 Circuit Diagram ..........................................................15 Cross-sectional View .................................................16 Hydraulic Control Circuit ............................................17 Shift Mechanism ........................................................18 Control System ..........................................................27 Control Mechanism....................................................29 Control Valve .............................................................33 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION ...............................................................35 Introduction ................................................................35 OBD-II Function for A/T System................................35 One or Two Trip Detection Logic of OBD-II ..............35 OBD-II Diagnostic Trouble Code (DTC) ....................35 Malfunction Indicator Lamp (MIL) ..............................38 CONSULT-II ...............................................................39 Diagnostic Procedure Without CONSULT-II ..............48 TROUBLE DIAGNOSIS - INTRODUCTION..................55 Introduction ................................................................55 Work Flow ..................................................................59 TROUBLE DIAGNOSIS - BASIC INSPECTION ...........61 A/T Fluid Check .........................................................61 Stall Test ....................................................................61 Line Pressure Test .....................................................65 Road Test ...................................................................66 TROUBLE DIAGNOSIS - GENERAL DESCRIPTION ...............................................................84 Symptom Chart ..........................................................84 TCM Terminals and Reference Value........................95 TROUBLE DIAGNOSIS FOR POWER SUPPLY..........99 Wiring Diagram - AT - MAIN......................................99 DTC P0705 PARK/NEUTRAL POSITION SWITCH ...102 Description ...............................................................102 Wiring Diagram - AT - PNP/SW...............................104 Diagnostic Procedure ..............................................105 Component Inspection .............................................108 DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT .......................................................................109 Description ...............................................................109 Wiring Diagram - AT - FTS ...................................... 111 Diagnostic Procedure .............................................. 112 Component Inspection ............................................. 115 DTC P0720 VEHICLE SPEED SENSOR.A/T (REVOLUTION SENSOR) ........................................... 116 Description ............................................................... 116 Wiring Diagram - AT - VSSA/T ................................ 118 Diagnostic Procedure .............................................. 119 Component Inspection .............................................121 DTC P0725 ENGINE SPEED SIGNAL .......................122 Description ...............................................................122 Wiring Diagram - AT - ENGSS ................................123 Diagnostic Procedure ..............................................124 DTC P0731 A/T 1ST GEAR FUNCTION ....................126 Description ...............................................................126 Wiring Diagram - AT - 1ST ......................................129 Diagnostic Procedure ..............................................130 Component Inspection .............................................131 DTC P0732 A/T 2ND GEAR FUNCTION ....................132 Description ...............................................................132 Wiring Diagram - AT - 2ND......................................135 Diagnostic Procedure ..............................................136 Component Inspection .............................................137 DTC P0733 A/T 3RD GEAR FUNCTION ....................138 Description ...............................................................138 GI MA EM LC EC FE AX SU BR ST RS BT HA SC EL IDX

Wiring Diagram - AT - 3RD......................................141 Diagnostic Procedure ..............................................142 Component Inspection .............................................143 DTC P0734 A/T 4TH GEAR FUNCTION ....................144 Description ...............................................................144 Wiring Diagram - AT - 4TH ......................................148 Diagnostic Procedure ..............................................149 Component Inspection .............................................152 DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE......................................................153 Description ...............................................................153 Wiring Diagram - AT - TCV......................................155 Diagnostic Procedure ..............................................156 Component Inspection .............................................157 DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) ....158 Description ...............................................................158 Wiring Diagram - AT - TCCSIG ...............................160 Diagnostic Procedure ..............................................161 Component Inspection .............................................165 DTC P0745 LINE PRESSURE SOLENOID VALVE ...166 Description ...............................................................166 Wiring Diagram - AT - LPSV....................................168 Diagnostic Procedure ..............................................169 Component Inspection .............................................171 DTC P0750 SHIFT SOLENOID VALVE A ..................172 Description ...............................................................172 Wiring Diagram - AT - SSV/A ..................................174 Diagnostic Procedure ..............................................175 Component Inspection .............................................176 DTC P0755 SHIFT SOLENOID VALVE B ..................177 Description ...............................................................177 Wiring Diagram - AT - SSV/B ..................................179 Diagnostic Procedure ..............................................180 Component Inspection .............................................181 DTC P1705 THROTTLE POSITION SENSOR ...........182 Description ...............................................................182 Wiring Diagram - AT - TPS ......................................184 Diagnostic Procedure ..............................................185 Component Inspection .............................................188 DTC P1760 OVERRUN CLUTCH SOLENOID VALVE..........................................................................189 Description ...............................................................189 Wiring Diagram - AT - OVRCSV..............................191 Diagnostic Procedure ..............................................192 Component Inspection .............................................193 DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE) ....194 Description ...............................................................194 Wiring Diagram - AT - BA/FTS ................................196 Diagnostic Procedure ..............................................197 Component Inspection .............................................200 DTC VEHICLE SPEED SENSOR.MTR .......................201 Description ...............................................................201 Wiring Diagram - AT - VSSMTR..............................203 Diagnostic Procedure ..............................................204 CONTROL UNIT (RAM), CONTROL UNIT (ROM) .....205 Description ...............................................................205 On Board Diagnosis Logic.......................................205 DTC Confirmation Procedure ..................................205 Diagnostic Procedure ..............................................206 CONTROL UNIT (EEP ROM) ......................................207 Description ...............................................................207 On Board Diagnosis Logic.......................................207 DTC Confirmation Process ......................................207 Diagnostic Procedure ..............................................208 TROUBLE DIAGNOSES FOR SYMPTOMS ...............209 Wiring Diagram - AT - NONDTC .............................209 1. O/D OFF Indicator Lamp Does Not Come On....212 2. Engine Cannot Be Started In P and N Position..214 3. In P Position, Vehicle Moves Forward or Backward When Pushed .........................................215 4. In N Position, Vehicle Moves ..............................216 5. Large Shock. N -> R Position .............................218 6. Vehicle Does Not Creep Backward In R Position ....................................................................220 7. Vehicle Does Not Creep Forward in D, 2 or 1 Position ....................................................................224 8. Vehicle Cannot Be Started From D 1 ...................227 9. A/T Does Not Shift: D 1 -> D 2 or Does Not Kickdown: D 4 -> D 2 ..................................................230 10. A/T Does Not Shift: D 2 -> D 3 .............................233 11. A/T Does Not Shift: D 3 -> D 4 .............................236 12. A/T Does Not Perform Lock-up .........................239 13. A/T Does Not Hold Lock-up Condition ..............241 14. Lock-up Is Not Released ...................................243 15. Engine Speed Does Not Return To Idle (Light Braking D 4 -> D 3 ).....................................................244 16. Vehicle Does Not Start From D 1 .......................246 17. A/T Does Not Shift: D 4 -> D 3 , When Overdrive Control Switch ON -> OFF .....................247 18. A/T Does Not Shift: D 3 -> 2 2 , When Selector Lever D -> 2 Position ..............................................248 19. A/T Does Not Shift: 2 2 -> 1 1 , When Selector Lever 2 -> 1 Position ...............................................249 20. Vehicle Does Not Decelerate By Engine Brake........................................................................250 21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) ........................................................250 A/T SHIFT LOCK SYSTEM.........................................259 Description ...............................................................259 Wiring Diagram - SHIFT - ........................................260 Shift Lock System Electrical Parts Location............261 Removal ...................................................................261 CONTENTS (Cont’d) AT-2

Diagnostic Procedure ..............................................262 Installation and Adjustment......................................264 Component Check ...................................................265 ON-VEHICLE SERVICE ..............................................266 Control Valve Assembly and Accumulators .............266 Revolution Sensor Replacement .............................267 Park/Neutral Position (PNP) Switch Adjustment .....267 Control Cable Adjustment ........................................268 Differential Side Oil Seal Replacement ...................268 REMOVAL AND INSTALLATION ...............................269 Removal ...................................................................269 Installation ................................................................270 OVERHAUL .................................................................272 Components.............................................................272 Oil Channel ..............................................................275 Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap Rings ............................276 DISASSEMBLY............................................................277 REPAIR FOR COMPONENT PARTS .........................291 Manual Shaft............................................................291 Oil Pump ..................................................................294 Control Valve Assembly ...........................................298 Control Valve Upper Body .......................................306 Control Valve Lower Body .......................................310 Reverse Clutch ........................................................312 High Clutch ..............................................................315 Forward and Overrun Clutches ...............................320 Low & Reverse Brake..............................................325 Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub .................................................328 Output Shaft, Idler Gear, Reduction Pinion Gear and Bearing Retainer...............................................332 Band Servo Piston Assembly ..................................337 Final Drive................................................................342 ASSEMBLY..................................................................346 Assembly (1) ............................................................346 Adjustment (1) .........................................................346 Assembly (2) ............................................................351 Adjustment (2) .........................................................357 Assembly (3) ............................................................359 SERVICE DATA AND SPECIFICATIONS (SDS) .......365 General Specifications .............................................365 Shift Schedule..........................................................365 Stall Revolution ........................................................365 Line Pressure...........................................................365 Control Valves..........................................................366 Accumulator .............................................................366 Clutch and Brakes ...................................................367 Final Drive................................................................368 Planetary Carrier and Oil Pump ..............................369 Input Shaft ...............................................................370 Reduction Pinion Gear ............................................370 Band Servo ..............................................................371 Output Shaft.............................................................371 Bearing Retainer ......................................................372 Total End Play..........................................................372 Reverse Clutch End Play ........................................372 Removal and Installation .........................................373 Shift Solenoid Valves ...............................................373 Solenoid Valves .......................................................373 A/T Fluid Temperature Sensor.................................373 Revolution Sensor ...................................................373 Dropping Resistor ....................................................374 GI MA EM LC EC FE AX SU BR ST RS BT HA SC EL IDX CONTENTS (Cont’d) AT-3

Alphabetical & P No. Index for DTC NDAT0001 ALPHABETICAL INDEX FOR DTC NDAT0001S01 Items (CONSULT-II screen terms) DTC Reference page ECM*1 CONSULT-II GST*2 A/T 1ST GR FNCTN 1103 P0731 AT-126 A/T 2ND GR FNCTN 1104 P0732 AT-132 A/T 3RD GR FNCTN 1105 P0733 AT-138 A/T 4TH GR FNCTN 1106 P0734 AT-144 A/T TCC S/V FNCTN 1107 P0744 AT-158 ATF TEMP SEN/CIRC 1208 P0710 AT-109 ENGINE SPEED SIG 1207 P0725 AT-122 L/PRESS SOL/CIRC 1205 P0745 AT-166 O/R CLTCH SOL/CIRC 1203 P1760 AT-189 PNP SW/CIRC 1101 P0705 AT-102 SFT SOL A/CIRC*3 1108 P0750 AT-172 SFT SOL B/CIRC*3 1201 P0755 AT-177 TCC SOLENOID/CIRC 1204 P0740 AT-153 TP SEN/CIRC A/T*3 1206 P1705 AT-182 VEH SPD SEN/CIR AT*4 1102 P0720 AT-116 *1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN. *2: These numbers are prescribed by SAE J2012. *3: When the fail-safe operation occurs, the MIL illuminates. *4: The MIL illuminates when both the “Revolution sensor signal” and the “Vehicle speed sensor signal” meet the fail-safe condition at the same time. TROUBLE DIAGNOSIS — INDEX Alphabetical & P No. Index for DTC AT-4

P NO. INDEX FOR DTC =NDAT0001S02 DTC Items (CONSULT-II screen terms) Reference page CONSULT-II GST*2 ECM*1 P0705 1101 PNP SW/CIRC AT-102 P0710 1208 ATF TEMP SEN/CIRC AT-109 P0720 1102 VEH SPD SEN/CIR AT*4 AT-116 P0725 1207 ENGINE SPEED SIG AT-122 P0731 1103 A/T 1ST GR FNCTN AT-126 P0732 1104 A/T 2ND GR FNCTN AT-132 P0733 1105 A/T 3RD GR FNCTN AT-138 P0734 1106 A/T 4TH GR FNCTN AT-144 P0740 1204 TCC SOLENOID/CIRC AT-153 P0744 1107 A/T TCC S/V FNCTN AT-158 P0745 1205 L/PRESS SOL/CIRC AT-166 P0750 1108 SFT SOL A/CIRC*3 AT-172 P0755 1201 SFT SOL B/CIRC*3 AT-177 P1705 1206 TP SEN/CIRC A/T*3 AT-182 P1760 1203 O/R CLTCH SOL/CIRC AT-189 *1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN. *2: These numbers are prescribed by SAE J2012. *3: When the fail-safe operation occurs, the MIL illuminates. *4: The MIL illuminates when both the “Revolution sensor signal” and the “Vehicle speed sensor signal” meet the fail-safe condition at the same time. GI MA EM LC EC FE AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSIS — INDEX Alphabetical & P No. Index for DTC (Cont’d) AT-5

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2000 Mercury Villager Service & Repair Manual Software

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