Diagnostic Procedure

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

CHECK VALVE RESISTANCE
1. Turn ignition switch to OFF position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal cord assembly F30 terminal 3 (component side) and ground.
  1. Resistance: 20 - 30Ω
Fig 1: Checking Valve Resistance
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 3.
2. NG: GO TO 2.
CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to "REMOVAL ".
2. Check the following items:
- Overrun clutch solenoid valve
- Operation check
  - Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the solenoid.
- Harness of terminal cord assembly for short or open
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace damaged parts.
Fig 2: Checking Valve Operation
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to OFF position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal cord assembly connector F30 terminal 3 and TCM harness connector F56 terminal 20. Refer to "WIRING DIAGRAM - AT - OVRCSV ".
  1. Continuity should exist.
4. 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.
CHECK DTC
Perform "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE ".

OK or NG
1. OK: INSPECTION END
2. NG: GO TO 5.
CHECK TCM INSPECTION
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.