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.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals.

   Refer to WIRING DIAGRAM .

   Fig 2: Electric Throttle Control Motor Terminals Continuity

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: Identifying Location Of 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