Diagnostic Procedure

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check voltage between ECM terminal 67 and ground with CONSULT-II or tester.

Fig 1: Checking Voltage Between ECM & Ground

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

Voltage: Battery voltage

OK or NG 

1. OK: GO TO  3 .
2. NG: GO TO 2.

Check the following.

• Harness connectors E15, F18
• Joint connector-13
• 15A fuse
• Harness for open or short between ECM and fuse

1. : Repair or replace hardness or connectors.

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  .

OK or NG 

1. OK: GO TO 4.
2. NG: Repair or replace hardness or connectors.

With CONSULT-II 

1. Turn ignition switch ON.
2. Select SELF DIAG RESULTS mode with CONSULT-II.
3. Touch ERASE.
4. Perform  DTC CONFIRMATION PROCEDURE   .
5. Is the 1st trip DTC P1065 displayed again?

With GST 

1. Turn ignition switch ON.
2. Select MODE 4 with GST.
3. Touch ERASE.
4. Perform  DTC CONFIRMATION PROCEDURE   .
5. Is the 1st trip DTC P1065 displayed again?

Yes or No 

1. YES: GO TO 5.
2. NO: INSPECTION END 

1. Replace ECM.
2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM - NATS)  .
3. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING  .
4. Perform THROTTLE VALVE CLOSED POSITION LEARNING  .
5. Perform IDLE AIR VOLUME LEARNING  .

1. : INSPECTION END.