Diagnostic Procedure

With CONSULT-II 

1. Start engine.
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out the value of "ATF TEMP SE 1" or "ATF TEMP SE 2".
   Fig 1: Checking Input Signals (With Consult-II) 1 Of 2

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Checking Input Signals (With Consult-II) 2 Of 2

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

OK or NG 

OK >> GO TO  6.

NG >> GO TO  3.

Without CONSULT-II 

1. Start engine.
2. Check voltage between TCM connector and ground while warming up A/T. Refer to "WIRING DIAGRAM-AT-FTS ".
   Fig 3: Checking Input Signals (Without Consult-II) 1 of 2

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 4: Checking Input Signals (Without Consult-II) 2 of 2

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Turn ignition switch to "OFF" position.
4. Disconnect the TCM connector.
5. Check if there is continuity between the connector terminal and ground.

OK or NG 

OK >> GO TO  6.

NG >> GO TO 3.

1. Turn ignition switch to "OFF" position.
2. Disconnect A/T unit assembly harness connector at the transmission right side.
3. Check the resistance between terminal and ground.
   Fig 5: Checking Fluid Temperature Sensor Circuit (1 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 6: Checking Fluid Temperature Sensor Circuit (2 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Reinstall any part removed.

OK or NG 

OK >> GO TO  6.

NG >> GO TO 4.

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 7: Checking Terminal Cord Assembly (DTC P1710) 1 Of 2

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 8: Checking Terminal Cord Assembly (DTC P1710) 2 Of 2

   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 

OK >> GO TO 5.

NG >> Repair open circuit or short to ground or short to power in harness or connectors.

1. Disconnect fluid temperature sensor 2 harness connector and control valve assembly harness connector.
2. Check continuity between fluid temperature sensor 2 harness connector and control valve assembly harness connector.
   Fig 9: Checking Continuity Between Fluid Temperature Sensor 2 And Control Valve Assembly (1 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 10: Checking Continuity Between Fluid Temperature Sensor 2 And Control Valve Assembly (2 Of 2)

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

OK or NG 

OK >> GO TO 6.

NG >> Repair open circuit or short to ground or short to power in harness or connectors.

Check fluid temperature sensor 2.

• Refer to "COMPONENT INSPECTION ".

OK or NG 

OK >> GO TO 7.

NG >> Repair or replace damaged parts.

Check the following items:

• Harness for short to ground or short to power or open between TCM and A/T unit assembly harness connector.

OK or NG 

OK >> GO TO 8.

NG >> Repair or replace damaged parts.

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

OK or NG 

OK >> INSPECTION END 

NG >> GO TO 9.

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 

OK >> INSPECTION END 

NG >> Repair or replace damaged parts.