VSA System Symptom Troubleshooting - ABS indicator, brake system indicator, VSA indicator, and TSA warning do not go off at the same time

  1. Check for continuity between the VSA modulator-control unit 47P connector terminal and gauge control module 32P connector terminal (see table).
    Sign
    VSA Modulator-control Unit 47P Connector Terminal
    Gauge Control Module 32P Connector Terminal
    CAN-L
    No. 13
    No. 21
    CAN-H
    No. 12
    No. 22

Is there continuity?
YES -
Go to Step 19 .
NO -
Repair open in the wire between the gauge control module and the VSA modulator-control unit.■
  1. Reconnect all connectors.
  1. Update the VSA modulator-control unit if it does not have the latest software. If the unit already has the latest software, substitute a known-good VSA modulator-control unit.
  1. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  1. Check the ABS indicator, brake system indicator, VSA indicator, and the TSA warning for several seconds when the ignition switch is turned to ON (II).
Do the indicators and warning come on then go off?
YES -
If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit. ■
NO -
Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit, then retest. If the VSA modulator-control unit was substituted, go to Step 1 .