Diagnostic Procedure

WITH CONSULT-II 

1. Start engine.
2. Select "ECU INPUT SIGNALS" or "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Accelerate vehicle in the "D" position (3rd --> 4th gear), and confirm the ON/OFF actuation of the "ATF PRES SW 1".
   Fig 1: Display Input Signals Sheet (With Consult-II)

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK >> GO TO  5.
2. NG >> GO TO  3.

Without CONSULT-II 

1. Start engine.
2. Accelerate vehicle in the "D" position (3rd --> 4th gear).
   Fig 2: Display Input Signals Sheet (With Consult-II)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: Checking Input Signals Sheet (With Consult-II)

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK >> GO TO  5.
2. NG >> GO TO 3.

1. Turn ignition switch to "OFF" position.
2. Disconnect TCM connector.
3. Check continuity between A/T unit assembly harness connector and TCM connector.
   Fig 4: Identifying A/T Unit Assembly Harness Connector And TCM Connector Table

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 5: Checking Harness Between TCM And A/T Unit Assembly Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.

OK or NG 

1. OK >> GO TO 4.
2. NG >> Repair open circuit or short to ground or short to power in harness or connectors.

1. Remove oil pan. Refer to "CONTROL VALVE ASSEMBLY ".
2. Disconnect A/T unit assembly harness connector and control valve assembly harness connector.
3. Check continuity between A/T unit assembly harness connector and control valve assembly harness connector.
   Fig 6: Identifying A/T Unit Assembly Harness Connector And TCM Connector Table

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 7: Checking Harness Between TCM And A/T Unit Assembly Harness Connectors

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.

OK or NG 

1. OK >> Replace the control valve assembly. Refer to "CONTROL VALVE ASSEMBLY ".
2. NG >> Repair open circuit or short to ground or short to power in harness or connectors.

Perform "DTC Confirmation Procedure". Refer to "DTC CONFIRMATION PROCEDURE ".

OK or NG 

1. OK >> INSPECTION END 
2. NG >> GO TO 6.

1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG 

1. OK >> INSPECTION END 
2. NG >> Repair or replace damaged parts.