Diagnostic Procedure

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

   Refer to , "GROUND INSPECTION ".

   Fig 1: Identifying Body Ground Connections

   Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: GO TO 2.

NG: Repair or replace ground connections.

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

   Refer to WIRING DIAGRAM.

   TERMINALS CONTINUITY CHART
   
   

   Electric throttle control actuator terminal	ECM terminal	Continuity
   3	5	Should not exist
   	4	Should exist
   6	5	Should exist
   	4	Should not 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 NORTH AMERICA, INC.

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