Diagnostic Procedure

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

With CONSULT-II: Malfunction code No. C1110

Without CONSULT-II: Malfunction code No. 71

INSPECTION START
ABS actuator and electric unit (control unit) power supply and ground circuit inspection.
1. : GO TO 2.
Fig 1: Inspecting ABS Actuator And Electric Unit Power Supply And Ground Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK CONNECTOR
1. Disconnect ABS actuator and electric unit (control 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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT
Check voltage. Refer to "DIAGNOSTIC PROCEDURE ".

Does battery voltage exist when ignition switch is turned ON?
1. Yes: GO TO 4.
2. No: Repair.
CHECK WARNING LAMP INDICATION
Does warning lamp indicate code No. 71 again?
1. Yes: Replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".
2. No: Inspect the system according to the code No.