Diagnosis Procedure

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

   Refer to "GROUND INSPECTION ".

   Fig 1: Identifying Body Grounds

   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.
   Fig 2: Identifying Electric Throttle Control Actuator

   Courtesy of NISSAN NORTH AMERICA, INC.
2. Turn ignition switch ON.
3. Check voltage between electric throttle control actuator terminal 2 and ground with CONSULT or tester.

   Voltage: Approximately 5.0 V 

   OK or NG 

   OK: GO TO 3.

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

   Fig 3: Checking Throttle Position Sensor Power Supply Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric throttle control actuator terminal 4 and ECM terminal 36.

   Refer to Wiring Diagram  .

   Continuity should exist. 

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

   OK or NG 

   OK: GO TO 4.

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

1. Check harness continuity between the following;

   Electric throttle control actuator terminal 1 and ECM terminal 33,

   Electric throttle control actuator terminal 3 and ECM terminal 34.

   Refer to Wiring Diagram  .

   Continuity should exist. 

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

   OK or NG 

   OK: GO TO 5.

   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  7.

NG: GO TO 6.

Replace the electric throttle control actuator. Refer to "COMPONENT ".

: INSPECTION END 

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

: INSPECTION END