Diagnosis Procedure

Models with VDC system, navigation system or telephone 

1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to "GROUND INSPECTION ".
   Fig 1: Identifying Ground Points

   Courtesy of NISSAN MOTOR CO., U.S.A.

Models without VDC system, navigation system and telephone 

1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to "GROUND INSPECTION ".
   Fig 2: Identifying Ground Points

   Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   OK: GO TO 2.

   NG: Repair or replace ground connections.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 3.

NG: Replace engine coolant temperature sensor.

When the engine is cold [lower than 70°C (158°F)] condition, grasp lower radiator hose and confirm the engine coolant does not flow.

OK or NG 

OK: GO TO 4.

NG: Repair or replace thermostat. Refer to WATER INLET AND THERMOSTAT ASSEMBLY .

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

Refer to "WIRING DIAGRAM ".

INSPECTION END