DTC 12

DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/Intermittent Interruption)

NOTE: If the ABS indicator comes on because of electrical noise, the indicator goes off when you test-drive the vehicle at 19 mph (30 km/h).

1. Clear the DTCs using the HDS.
2. Turn the ignition switch OFF.
3. Disconnect the HDS from the 16P DTC.
4. Test-drive the vehicle around a number of corners.
Does the ABS or VSA indicator come on?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.

5. Check the appropriate wheel sensor and pulser for debris or damage and proper air gap.





Are they OK?
YES - Go to step 6.
NO - Clean and reinstall or replace the appropriate wheel sensor or pulser.

6. Disconnect the VSA modulator-control unit 47P connector.
7. Check for continuity between the appropriate wheel sensor (+) terminal and other wheel sensor (+) terminals of the VSA modulator-control unit 47P connector (see table).





Is there continuity?
YES - Repair short in the wire between the appropriate wheel sensor and the other wheel sensor.
NO - Go to step 8.

8. Substitute a known-good wheel sensor for the appropriate wheel sensor (see table).





9. Clear the DTCs using the HDS.
10. Turn the ignition switch OFF.
11. Disconnect the HDS from the 16P DLC.
12. Start the engine, and test-drive the vehicle at speeds above 19 mph (30 km/h).
Does the ABS indicator come on?
YES - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and recheck
NO - Replace the original wheel sensor.