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Home >> Acura >> 2003 >> RSX Base, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs (Anti-Lock Brake System) >> Symptom Troubleshooting >> ABS indicator does not come on

ABS indicator does not come on

  1. Turn the ignition switch ON (II), and watch the ABS indicator.

    Does the ABS indicator come on for 2 seconds and then go off? 

    1. YES -  The system is OK at this time.
    2. NO -  Go to step 2.
  2. Turn the ignition switch OFF then ON (II) again.

    Does the brake system indicator come on? 

    1. YES -  Go to step 3.
    2. NO -  Repair open in the indicator power source circuit:
      • Blown No. 10 (7.5 A) fuse in the under-dash fuse/relay box.
      • Open in the wire between the No. 10 (7.5 A) fuse and the gauge assembly.
      • Open in the circuit inside the fuse box.
  3. Turn the ignition switch OFF.
  4. Disconnect the ABS modulator-control unit 25P connector.
  5. Turn the ignition switch ON (II).

    Does the ABS indicator come on? 

    1. YES -  Check for loose terminals in the ABS modulator-control unit 25P connector. If necessary, substitute a known-good ABS modulator-control unit, and recheck.
    2. NO -  Go to step 6.
  6. Turn the ignition switch OFF.
  7. Remove the gauge assembly (see GAUGE ASSEMBLY REPLACEMENT ).
  8. Disconnect the gauge assembly connector A (22P) ('02-04 models) or gauge assembly connector B (20P) ('05-06 models).
  9. Check for continuity between the gauge assembly connector A (22P) terminal No. 14 ('02-04 models) or gauge assembly connector B (20P) terminal No. 12 ('05-06 models) and body ground.

    '02-04 models 

    Fig 1: Identifying Gauge Assembly Connector A (22P) Terminal
    G03652583Courtesy of AMERICAN HONDA MOTOR CO., INC.

    '05-06 models 

    Fig 2: Gauge Assembly Connector B (20P) Terminal
    G03652584Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES -  Repair short to body ground in the wire between the gauge assembly and the ABS modulator-control unit.
    2. NO -  Go to step 10.
  10. '02-04 models: Connect the gauge assembly connector A (22P), and disconnect the gauge assembly connector B (18P).

    '05-06 models: Connect the gauge assembly connector B (20P), and disconnect the gauge assembly connector A (16P).

  11. '02-04 models: Check for continuity between the gauge assembly connector B (18P) terminal No. 18 and body ground.

    '05-06 models: Check for continuity between the gauge assembly connector A (16P) terminal No. 15 and body ground.

    '02-04 models 

    Fig 3: Identifying Gauge Assembly Connector B (18P) Terminal
    G03652585Courtesy of AMERICAN HONDA MOTOR CO., INC.

    '05-06 models 

    Fig 4: Gauge Assembly Connector A (16P) Terminal
    G03652586Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES -  Check for loose terminals in the gauge assembly connectors. If the connector is OK, replace the gauge assembly (see GAUGE ASSEMBLY REPLACEMENT ).
    2. NO -  Repair open in the wire between the gauge assembly and body ground (G401).
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