Automatic Transmission: Wiring Nissan Pathfinder III

Wiring Diagram - AT - CAN

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Identifying Wiring Diagram - AT-CAN-01. Scheme 167

Wiring Diagram - AT - STSIG

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Scheme 168

Wiring Diagram - AT - PNP/SW

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Scheme 169

Scheme 170

Scheme 171

1. CHECK PNP SW CIRCUIT With CONSULT-II Turn ignition switch ON. (Do not start engine.) Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "A/T" with CONSULT-II. see scheme 81: Identifying CONSULT II Display - DATA MONITOR Check if correct selector lever position (N/P, R, D, 3, 2 or 1) is displayed as selector lever is moved into each position. OK or NG OK: GO TO 5. NG: GO TO 2.
2. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT Check TCM power supply and ground circuit. Refer to " «MAIN POWER SUPPLY AND GROUND CIRCUIT»(ref-272543-S12624543122007112100000) ". OK or NG OK: GO TO 3. NG: Repair or replace damaged parts.
3. DETECT MALFUNCTIONING ITEM Check the following. A/T assembly harness connector pin terminals for damage or loose connection with harness connector. OK or NG OK: GO TO 4. NG: Repair or replace damaged parts.
4. CHECK SUB-HARNESS Remove control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ". Disconnect park/neutral position switch connector and TCM connector. Check continuity between park/neutral position switch connector terminals and TCM connector terminals. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity Park/neutral position switch connector F505 1 Yes TCM connector F503 13 Park/neutral position switch connector F505 2 Yes TCM connector F503 11 Park/neutral position switch connector F505 3 Yes TCM connector F503 12 Park/neutral position switch connector F505 5 Yes TCM connector F503 14 see scheme 82: Checking Continuity Between Park/Neutral Position Switch Connector Terminals And TCM Connector Terminals If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: Replace the control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ". NG: Replace open circuit or short to ground and short to power in harness or connectors.
5. CHECK DTC Perform "DTC Confirmation Procedure". Refer to " «DTC CONFIRMATION PROCEDURE»(ref-272543-S05877884242007112100000) ". OK or NG OK: INSPECTION END NG: GO TO 2.

Wiring Diagram - AT - VSSA/T

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Scheme 172

Scheme 173

Scheme 174

1. CHECK INPUT SIGNAL With CONSULT-II Turn ignition switch ON. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. see scheme 87: Identifying CONSULT II Display - DATA MONITOR Start the engine. Read out the value of "VHCL/S SE.A/T" while driving. Check the value changes according to driving speed. OK or NG OK: GO TO 6. NG: GO TO 2.
2. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT Check TCM power supply and ground circuit. Refer to " «MAIN POWER SUPPLY AND GROUND CIRCUIT»(ref-272543-S12624543122007112100000) ". OK or NG OK: GO TO 3. NG: Repair or replace damaged parts.
3. DETECT MALFUNCTIONING ITEM Check the following. The A/T assembly harness connector pin terminals for damage or loose connection with harness connector. OK or NG OK: GO TO 4. NG: Repair or replace damaged parts.
4. CHECK SUB-HARNESS Remove control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ". Disconnect park/neutral position switch connector and TCM connector. Check continuity between park/neutral position switch connector terminals and TCM connector terminals. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity Park/neutral position switch connector F505 8 Yes TCM connector F503 20 Park/neutral position switch connector F505 9 Yes TCM connector F503 17 Park/neutral position switch connector F505 10 Yes TCM connector F503 16 see scheme 88: Checking Continuity Between Park/Neutral Position Switch Connector Terminals And TCM Connector Terminals If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: GO TO 5. NG: Replace open circuit or short to ground and short to power in harness or connectors.
5. REPLACE THE REVOLUTION SENSOR AND CHECK DTC Replace the revolution sensor. Refer to " «DISASSEMBLY»(ref-272543-S39746983322007112100000) ". Perform "DTC Confirmation Procedure". Refer to " «DTC CONFIRMATION PROCEDURE»(ref-272543-S29503324752007112100000) ". OK or NG OK: INSPECTION END NG: Replace the control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ".
6. CHECK DTC Perform "DTC Confirmation Procedure". Refer to " «DTC CONFIRMATION PROCEDURE»(ref-272543-S29503324752007112100000) ". OK or NG OK: INSPECTION END NG: GO TO 2.

Wiring Diagram - AT - FTS

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Scheme 175

Scheme 176

Scheme 177

Scheme 178

1. CHECK A/T FLUID TEMPERATURE SENSOR 1 SIGNAL With CONSULT-II Start engine. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. see scheme 102: Identifying CONSULT-II Display - DATA MONITOR Read out the value of "ATF TEMP SE 1". OK or NG OK: GO TO 2. NG: GO TO 3.
2. CHECK A/T FLUID TEMPERATURE SENSOR 2 SIGNAL With CONSULT-II Start engine. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. see scheme 103: Identifying CONSULT-II Display - DATA MONITOR Read out the value of "ATF TEMP SE 2". OK or NG OK: GO TO 8. NG: GO TO 5.
3. CHECK A/T FLUID TEMPERATURE SENSOR 1 Check A/T fluid temperature sensor 1. Refer to " «A/T FLUID TEMPERATURE SENSOR 1»(ref-272543-S26606796642007112100000) ". OK or NG OK: GO TO 4. NG: Replace the control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ".
4. CHECK SUB-HARNESS Disconnect park/neutral position switch connector and TCM connector. Check continuity between park/neutral position switch connector terminals and TCM connector terminals. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity Park/neutral position switch connector F505 6 Yes TCM connector F503 19 Park/neutral position switch connector F505 7 Yes TCM connector F503 18 If OK, check harness for short to ground and short to power. see scheme 104: Checking Continuity Between A/T Fluid Temperature Sensor 2 Connector Terminals And TCM Connector Terminals OK or NG OK: GO TO 7. NG: Replace open circuit or short to ground and short to power in harness or connectors.
5. CHECK A/T FLUID TEMPERATURE SENSOR 2 Check A/T fluid temperature sensor 2. Refer to " «A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S37973505082007112100000) ". OK or NG OK: GO TO 6. NG: Replace the A/T fluid temperature sensor 2. Refer to " «A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION»(ref-272543-S28335903072007112100000) ".
6. CHECK TERMINAL CORD ASSEMBLY Disconnect A/T fluid temperature sensor 2 connector and TCM connector. Check continuity between A/T fluid temperature sensor 2 connector terminals and TCM connector terminals. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity A/T fluid temperature sensor 2 connector F507 1 Yes TCM connector F502 3 A/T fluid temperature sensor 2 connector F507 2 Yes TCM connector F502 5 see scheme 105: Checking Continuity Between A/T Fluid Temperature Sensor 2 Connector Terminals And TCM Connector Terminals If OK, check harness for short to ground and short to power. OK or NG OK: GO TO 7. NG: Replace open circuit or short to ground and short to power in harness or connectors.
7. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT Check TCM power supply and ground circuit. Refer to " «MAIN POWER SUPPLY AND GROUND CIRCUIT»(ref-272543-S12624543122007112100000) ". Reinstall any part removed. OK or NG OK: Replace the control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ". NG: Repair or replace damaged parts.
8. CHECK DTC Perform "DTC Confirmation Procedure". Refer to " «DTC CONFIRMATION PROCEDURE»(ref-272543-S13201517082007112100000) ". OK or NG OK: INSPECTION END NG: GO TO 1.

Scheme 179

1. Remove control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ".
2. Check resistance between terminals. TEMPERATURE AND RESISTANCE CHART Name Terminal Temperature °C (°F) Resistance (Approx.) A/T fluid temperature sensor 1 6 - 7 0 (32) 15 kohms 20 (68) 6.5 kohms 80 (176) 0.9 kohms see scheme 106: Checking Resistance Between A/T Fluid Temperature Sensor 1 Connector Terminals
3. If NG, replace the control valve with TCM. Refer to " «CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2»(ref-272543-S19036723862007112100000) ".

Wiring Diagram - AT - MAIN

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Identifying Wiring Diagram - AT-NONDTC-02. Scheme 180

Wiring Diagram - AT - NONDTC

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Scheme 181

Wiring Diagram - A/T - SHIFT

Refer to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS -- PATHFINDER .

Scheme 182