Diagnostic Procedure

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

   Refer to "GROUND INSPECTION ."

   Fig 1: Checking 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 harness connector.
   • ← : Vehicle front
   • Electric throttle control actuator (1)
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals.

   Refer to Wiring Diagram.

   ELECTRIC THROTTLE CONTROL ACTUATOR TERMINAL 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

   Fig 2: Identifying Electric Throttle Control Actuator

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO  3.

NG: Repair or replace.

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