Abs Warning Light Circuit: Testing

1997 Toyota Tercel 4D Sedan, AutomaticSECTION Testing
  1. Check ABS warning light. See INSTRUMENT PANEL article. Repair if necessary. If no problem is found, go to next step.
  2. On all models, check ABS relay. For 1997 models, see ABS CONTROL RELAY under COMPONENT TESTSΒ . For 1998 Tercel, see ABS SOLENOID RELAY under COMPONENT TESTSΒ . On all models, if relay is okay, repair open circuit between DLC1, relay and ground. See WIRING DIAGRAMSΒ . If relay is faulty, replace ABS relay.
  3. Check DTCS. See RETRIEVING DTCS under SELF-DIAGNOSTICSΒ . If DTC can be retrieved, diagnose and repair as necessary. If DTC cannot be retrieved, go to next step.
  4. If ABS warning light turns off when short pin is removed, go to next step. If ABS warning light does not turn off when short pin is removed, repair short in wiring harness between warning light, DLC1 and ECU. See WIRING DIAGRAMSΒ .
  5. Check ABS relay. See step 2). Replace if necessary. If no problem is found, repair short in wiring harness between DLC1 and relay. See WIRING DIAGRAMSΒ .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.