Operation CHARM: Car repair manuals for everyone.

DTC 16

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

NOTE: If the ABS and VSA indicators come on because of electrical noise, the indicator goes off when you test-drive the vehicle at 19 mph (30 km/h) and the system returns to normal.

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF, then disconnect the HDS.
4. Test-drive the vehicle at 19 mph (30 km/h) or more.
5. Check for DTCs with the HDS.

Is DTC 12, 14, 16, or 18 indicated?

YES - Go to step 6.

NO - The system is OK at this time. Refer to intermittent failures.

6. Turn the ignition switch OFF.
7. Check the appropriate wheel sensor and magnetic encoder.





Are they OK?

YES - Go to step 8.

NO - Clean and reinstall, or replace the appropriate wheel sensor or magnetic encoder.

8. Disconnect the VSA modulator-control unit 47P connector.
9. Check for continuity between the appropriate wheel sensor +B terminal and other wheel sensor +B terminals (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 10.

10. Substitute a known-good wheel sensor for the appropriate wheel sensor.





11. Reconnect the VSA modulator-control unit 47P connector.
12. Turn the ignition switch ON (II).
13. Clear the DTC with the HDS.
14. Turn the ignition switch OFF, then disconnect the HDS.
15. Test-drive the vehicle at 19 mph (30 km/h) or more.
16. Check for DTCs with the HDS.

Is DTC 12, 14, 16, or 18 indicated?

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.

NO - Replace the original wheel sensor.