Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SHIFT SOLENOID VALVE C SIGNAL
With CONSULT-II
1. Start engine.
2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-II.
3. Drive vehicle and read out the value of "SFT SOL C OUT" and "SFT SOL C MON".
  
  Fig 1: Monitor Item Condition Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: CONSULT-II Display - Select System
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II
1. Drive vehicle.
2. Check voltage between TCM connector terminal and ground.
  
  Fig 3: Connector Terminal Voltage Condition Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Voltage Between TCM Connector Terminal And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 5.
2. NG: GO TO 2.
CHECK SHIFT SOLENOID VALVE C CIRCUIT
1. Turn ignition switch "OFF".
2. Disconnect the TCM connector.
3. Check resistance between TCM connector terminal 37 and ground.
  
  Fig 5: Connector Terminal Resistance Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: Checking Resistance Between TCM Connector Terminal 37 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 5.
2. NG: GO TO 3.
CHECK SHIFT SOLENOID VALVE C
1. Turn ignition switch "OFF".
2. Disconnect terminal cord assembly harness connector.
3. Check resistance between terminal 4 and ground.
  
  Fig 7: Connector Terminal Resistance Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 8: Checking Resistance Between Terminal 4 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Reinstall any part removed.
OK or NG
1. OK: GO TO 4.
2. NG: Replace the transaxle assembly. Refer to "REMOVAL AND INSTALLATION ".
CHECK HARNESS BETWEEN TCM AND SHIFT SOLENOID VALVE C
Check the following.
- Open or short-circuit in the harness between TCM and shift solenoid valve C.
OK or NG
1. OK: GO TO 5.
2. NG: Repair or replace damaged parts.
CHECK TCM
1. Check TCM input/output signal.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
1. OK: GO TO 6.
2. NG: Repair or replace damaged parts.
CHECK DTC

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

OK or NG

OK: INSPECTION END
NG: Replace the transaxle assembly. Refer to "REMOVAL AND INSTALLATION ".