Diagnostic Procedure

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check voltage between ECM terminal 121 and ground with CONSULT-II or tester.
   1. Voltage: Battery voltage 

OK or NG 

1. OK: GO TO  3.
2. NG: GO TO 2.

Fig 1: Checking Voltage Between ECM Terminal 121 & Ground With CONSULT-II

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

Check the following.

• IPDM E/R connector E121
• 20A fuse
• Harness for open or short between ECM and battery
  1. Repair or replace harness or connectors.

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

OK or NG 

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

   See "DTC CONFIRMATION PROCEDURE ".

5. Is the 1st trip DTC P1065 displayed again?

WITH GST 

1. Turn ignition switch ON.
2. Select Service $04 with GST.
3. Touch "ERASE".
4. Perform DTC Confirmation Procedure. 

   See "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 "ECM RE-COMMUNICATING FUNCTION ".
3. Perform "VIN REGISTRATION ".
4. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
5. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
6. Perform "IDLE AIR VOLUME LEARNING ".
   1. : INSPECTION END