Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.

Inspection Start
ABS actuator and electric unit (control unit) power supply and ground circuit inspection

Fig 1: Inspecting ABS Actuator & Electric Unit For Voltage
Courtesy of NISSAN MOTOR CO., U.S.A.

Go to next step.
Check Connector
1. Disconnect ABS actuator and electric unit (control unit) connector E162.
  Check terminals for damage or loose connections. Then reconnect connectors.
2. Carry out self-diagnosis again.
  1. Does warning lamp activate again ?
Yes: Go to next step.

No: Inspection End
Check ABS Actuator And Electric Unit (Control Unit) Power Supply Circuit
Check voltage. Go to step 3 , CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT.
1. Does battery voltage exist when ignition switch is turned ON ?
Yes: Go to next step.

No: Repair.
Check Warning Lamp Indication
Check SELF-DIAGNOSTIC RESULTS MODE if "CONTROLLER FAILURE" is indicated on the screen.

Yes: Replace ABS actuator and electric unit (control unit).

No: Inspect the system according to the code No.