Diagnosis Procedure

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

Refer to "GROUND INSPECTION ".

Fig 1: Identifying Body Ground (E9 And E15) And Washer Tank With Fuse And Fusible Link Box

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 (1) harness connector.
   • ←: Vehicle front
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals. Refer to Wiring Diagram .

   Electric throttle control actuator terminal	ECM terminal	Continuity
   5	5	Should not exist.
   	6	Should exist.
   6	5	Should exist.
   	6	Should not exist.

   Fig 2: Identifying Electric Throttle Control Actuator

   Courtesy of NISSAN NORTH AMERICA, INC.
4. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO 3.

NG: Repair open circuit or short to ground or short to power in harness or connectors.

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.

Replace the electric throttle control actuator. Refer to , "REMOVAL AND INSTALLATION ".

INSPECTION END