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Home >> Geo >> 1997 >> Tracker Base, 4D Utility, 4WD, Standard >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System - 4-Wheel >> Diagnostic Tests >> Chart C: Abs Active (Blue) Indicator On Constantly >> Diagnostic Test

Diagnostic Test

  1. Perform DIAGNOSTIC SYSTEM CHECK  . Go to next step.
  2. Turn ignition switch to LOCK position. Disconnect EBCM connector C1. Turn ignition on. If Blue ABS ACTIVE light does not illuminate, go to next step. If Blue ABS ACTIVE light illuminates, go to step 4).
  3. Turn ignition switch to LOCK position. Reconnect EBCM connector C1. Turn ignition on and observe Blue ABS ACTIVE light. If Blue ABS ACTIVE light illuminates for 3 seconds then turns off, go to step 6). If Blue ABS ACTIVE light does not illuminate for 3 seconds then turn off, go to step 5).
  4. Repair short to ground in Light Green/Red wire between EBCM connector C1 terminal D4 and Instrument Panel (IP) cluster connector C3 terminal No. 6 (Green/Red wire). Go to step 7).
  5. Check EBCM connector C1 terminal D4 for short to ground. Repair as necessary. If no short is found, go to step 7).
  6. Malfunction not present at this time. Go to step 7).
  7. Reconnect EBCM (if disconnected). Turn ignition on and observe Blue ABS ACTIVE light. If Blue ABS ACTIVE light illuminates for 3 seconds then turns off, system is okay. If Blue ABS ACTIVE light does not illuminate for 3 seconds then turn off, perform DIAGNOSTIC SYSTEM CHECK  .
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