6. ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On
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.
- INSPECTION START
Warning lamp circuit inspection.
- : GO TO 2.
- CHECK FUSE
Check 10A fuse No. 14 for warning lamp. For fuse layout, refer to "POWER SUPPLY ROUTING CIRCUIT ".
Is fuse OK?
- Yes: GO TO 3
- No: If fuse is blown, be sure to eliminate cause of problem before installing new fuse.
- CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT
- Install 10A fuse.
- Remove solenoid valve relay.
- Disconnect ABS actuator and electric unit (control unit) connector.
- Check voltage between connector terminal 21 and ground after turning ignition switch ON.
Does battery voltage exist after turning ignition switch ON?
- Yes: GO TO 5.
- No: GO TO 4.
- CHECK WARNING LAMP INDICATION
Disconnect ABS actuator and electric unit (control unit) connector.
Does the ABS warning lamp activate?
- Yes: GO TO 6.
- No: GO TO 5.
- CHECK HARNESS FOR SHORT
- Disconnect ABS actuator and electric unit (control unit) connector
- Check voltage between ABS actuator and electric unit (control unit) connector terminal 21 and ground.
Does battery voltage exist?
- Yes: Check combination meter. Refer to "COMBINATION METERS ".
- No: Repair harness and connectors between fuse and ABS actuator and electric unit (control unit) connector terminal 21.
- CHECK HARNESS CONNECTOR
Check ABS actuator and electric unit (control unit) pin terminals for damage and the connection of harness connector. Reconnect ABS actuator and electric unit (control unit) harness connector. Then reset.
- OK: INSPECTION END.
- NG: Replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".