Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.

   Refer to "GROUND INSPECTION ".

Fig 1: Identifying Ground Connections

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

OK or NG 

OK: GO TO  2.

NG: Repair or replace ground connections.

1. Disconnect electric throttle control actuator (1) harness connector.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals.

   Refer to WIRING DIAGRAM .

   CONTINUITY REFERENCE
   
   

   Electric throttle control actuator terminal	ECM terminal	Continuity
   1	5	Should exist
   	4	Should not exist
   2	5	Should not exist
   	4	Should exist

4. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO  3.

NG: Repair or replace.

Fig 2: Identifying Electric Throttle Control Actuator Harness Connector

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

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO  4.

NG: GO TO  5.

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

OK or NG 

OK: GO TO  5.

NG: Repair or replace harness or connectors.

1. Replace the electric throttle control actuator.
2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
3. Perform "IDLE AIR VOLUME LEARNING ".

>> INSPECTION END