Diagnostic Procedure

ABS actuator and electric unit power supply and ground circuit inspection

Fig 1: Inspecting ABS Actuator And Electric Unit Power Supply And Ground Circuit

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

1. GO TO 2.

1. Disconnect ABS actuator and electric unit connector.

   Check terminals for damage or loose connections. Then reconnect connectors.

2. Carry out self-diagnosis again.

Does warning lamp activate again? 

1. Yes : GO TO 3.
2. No : INSPECTION END 

Check voltage. Refer to " 3. CHECK ABS ACTUATOR AND ELECTRIC UNIT POWER SUPPLY CIRCUIT " in "LOW VOLTAGE  ".

Does battery voltage exist when ignition switch is turned ON? 

1. Yes : GO TO 4.
2. No : Repair.

Check "SELF DIAGNOSIS RESULTS", if "CONTROLLER FAILRE" is indicated on the screen.

1. Yes : Replace ABS actuator and electric unit.
2. No : Inspect the system according to the code No.