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Home >> Acura >> 2005 >> TSX Automatic >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> VSA (Vehicle Stability Assist) System >> Symptom Troubleshooting >> ABS indicator does not come on >> VSA activation indicator does not go off, and no DTCs are stored

VSA activation indicator does not go off, and no DTCs are stored

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

    Does the VSA activation indicator go off? 

    YES  - Go to step 2.

    NO  - Do the appropriate troubleshooting for the VSA indicator.

  2. Turn the ignition switch OFF.
  3. Check the VSA OFF switch (see VSA OFF SWITCH TEST  ).

    Is the VSA OFF switch OK? 

    YES  - Go to step 4.

    NO  - Replace the VSA OFF switch (see VSA OFF SWITCH TEST  ).

  4. Turn the ignition switch ON (II).
  5. Clear the DTC with the HDS.

    Does the VSA activation indicator go off? 

    YES  - The system is OK at this time. Refer to INTERMITTENT FAILURES  .

    NO  - Go to step 6.

  6. Do the VSA sensor neutral memorization (see VSA SENSOR NEUTRAL POSITION MEMORIZATION  ).
  7. Clear the DTC with the HDS.

    Does the VSA activation indicator go off? 

    YES  - The system is OK at this time. Refer to INTERMITTENT FAILURES  .

    NO  - Go to step 8.

  8. Turn the ignition switch OFF.
  9. Remove and disconnect the gauge control module connectors (see GAUGE CONTROL MODULE REPLACEMENT ).
  10. Disconnect the VSA OFF switch 5P connector.
  11. Check for continuity between VSA OFF switch 5P connector terminal No. 2 and body ground.
    Fig 1: Checking Continuity Between VSA Off Switch 5P Connector Terminal No. 2 And Body Ground
    G05492196Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  - Repair short to body ground in the wire between the gauge control module and the VSA OFF switch.

    NO  - Go to step 12.

  12. Reconnect all of connectors.
  13. Turn the ignition switch ON (II).
  14. Measure the voltage between VSA OFF switch 5P connector terminal No. 1 and body ground.
    Fig 2: Measuring Voltage Between VSA Off Switch 5P Connector Terminal No. 1 And Body Ground
    G05492197Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there less than 0.1 V? 

    YES  - Go to step 15.

    NO  - Repair open in the wire between the VSA OFF switch and body ground (G501).

  15. Substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION  ).
  16. Clear the DTC with the HDS.
  17. Turn the ignition switch OFF, then disconnect the HDS.
  18. Test-drive the vehicle.

    Does the VSA activation indicator go off? 

    YES  - Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION  ).

    NO  - Check for loose terminals in the gauge control module connectors. If necessary, substitute a known-good gauge control module, and retest.