Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
ABS Indicator, Brake System Indicator, And VSA Indicator Do Not Go Off
- Turn the ignition switch to LOCK (0).
- Check the No. 4 (10 A) fuse in the under-dash fuse/relay box.
Is the fuse blown?
YES - Go to step 3.
NO - Reinstall the checked fuse, then go to step 8.
- Disconnect the VSA modulator-control unit 47P connector (see step 2 ).
- Check the continuity between VSA modulator-control unit 47P connector terminal No. 4 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between the No. 4 (10 A) fuse in the under-dash fuse/relay box and the VSA modulator-control unit.
NO - Install a new No. 4 (10 A) fuse in the under-dash fuse/relay box, then go to step 5.
- Reconnect the VSA modulator-control unit 47P connector.
- Turn the ignition switch to ON (II).
- Check the ABS indicator, the brake system indicator, and the VSA indicator for several seconds when the ignition switch is turned to ON (II).
Do the indicators come on then go off?
YES - Troubleshooting is complete.
NO - Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
- Disconnect the VSA modulator-control unit 47P connector (see step 2 ).
- Turn the ignition switch to ON (II).
- Measure the voltage between VSA modulator-control unit 47P connector terminal No. 4 and body ground.
Is there battery voltage?
YES - Go to step 11.
NO - Repair an open in the wire between the No. 4 (10 A) fuse in the under-dash fuse/relay box and the VSA modulator-control unit.
- Turn the ignition switch to LOCK (0).
- Check for continuity between VSA modulator-control unit 47P connector terminal No. 16 and body ground.
Is there continuity?
YES - Go to step 13.
NO - Repair open in the wire between the VSA modulator-control unit and body ground (G202).
- Disconnect the gauge control module 36P connector.
- Check for continuity between VSA modulator-control unit 47P connector terminal and gauge control module 36P connector terminal (see table below).CONNECTOR TERMINAL REFERENCE TABLE
Sign VSA Modulator-Control Unit 47P Connector Terminal Gauge Control Module 36P Connector Terminal CAN1-L No. 15 No. 28 CAN1-H No. 11 No. 29 Is there continuity?
YES - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and retest (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
NO - Repair an open in the wire between the gauge control module and the VSA modulator-control unit.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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