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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1512 (Brake Control System) >> VDC/TCS/Abs >> Trouble Diagnoses For Symptoms >> ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On

ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) FUSIBLE LINKS 

    Check 40A fusible link f and 40A fusible link l for ABS actuator and electric unit (control unit). For fusible link layout, refer to "POWER SUPPLY ROUTING CIRCUIT ".

    OK or NG

    • OK: GO TO 2.
    • NG: If fusible link is blown, be sure to eliminate cause of problem before replacing.
  2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUITS 
    1. Disconnect ABS actuator and electric unit (control unit) connector.
    2. Check voltage between ABS actuator and electric unit (control unit) connector terminal 1 (B/Y), 16 (Y) and ground.
      Fig 1: Checking Voltage Between ABS Actuator & Electric Unit Connector Terminal 1 (B/Y), 16 (Y) & Ground
      G02447786Courtesy of NISSAN MOTOR CO., U.S.A.

    Does battery voltage exist?

    • YES: GO TO 3.
    • NO: Repair harness or connectors between fusible link and ABS actuator and electric unit (control unit).
  3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT 

    Check continuity between ABS actuator and electric unit (control unit) connector terminal 31 (B), 46 (B) and ground.

    Fig 2: Checking Continuity Between ABS Actuator & Electric Unit Connector Terminal 31 (B), 46 (B) & Ground
    G02447787Courtesy of NISSAN MOTOR CO., U.S.A.

    Does continuity exist?

    • YES: Replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".
    • NO: Repair harness or connectors between ABS actuator and electric unit (control unit) and ground.