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Abs Warning Light Circuit Test: Testing

  1. Check ABS warning light. See INSTRUMENT PANEL article. Replace bulb or instrument panel as necessary.
  2. Remove and check ABS solenoid relay. See ABS SOLENOID RELAY under COMPONENT TESTS . Replace if necessary. Check wiring between DLC1, ABS solenoid relay and ground. See appropriate wiring diagram under WIRING DIAGRAMS. Repair if necessary.
  3. If ABS warning light outputs DTC, go to ABS DTC under SELF-DIAGNOSTICS. If ABS warning light does not output DTC, go to next step.
  4. Remove short pin from DLC1. If ABS warning light turns off, go to next step. If ABS warning light does not turn off, check for short in wiring between warning light, DLC1 and ABS ECU. See appropriate wiring diagram under WIRING DIAGRAMS.
  5. Remove and check ABS solenoid relay. See ABS SOLENOID RELAY under COMPONENT TESTS . Replace if necessary. If relay is okay, check wiring between DLC1 and ABS solenoid relay. See appropriate wiring diagram under WIRING DIAGRAMS. Repair if necessary.
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