Vehicle Stability Assist

DTC 22: Current Flow into Wheel Sensor Input Amplifier

1. Turn the ignition switch OFF, then turn it ON (II).
2. Check for DTCs with the HDS.

Do the VSA and ABS indicators come on, and are DTCs 11, 13, 15, 17 indicated?

YES - Troubleshoot the DTCs indicated.

NO - Go to step 3.

3. Turn the ignition switch OFF.
4. Disconnect the VSA modulator-control unit 46P connector.
5. Start the engine.
6. Measure voltage between body ground and all the wheel sensor +B and GND terminals of the VSA modulator-control unit 46P connector individually (see table).





Is there any voltage?

YES - Repair short to power in the wires between the VSA modulator-control unit and the wheel sensor. After repair, go to step 7.

NO - Check for loose or poor connections in the VSA modulator-control unit 46P connector and wheel sensor 2P connector. If connections are good, replace the VSA modulator-control unit.

7. Clear the DTCs with the HDS.
8. Check for DTCs with the HDS.

Does the VSA and ABS indicators come on, and is DTC 22 indicated?

YES - Check for loose or poor connections in the VSA modulator-control unit 46P connector. If connections are good, replace the VSA modulator-control unit.

NO - The system is OK at this time.