DTC 18

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. Turn the ignition switch OFF.





2. Check the appropriate wheel sensor and pulser.
Are they OK?
YES - Go to step 3.
NO - Reinstall or replace the appropriate wheel sensor or pulser.

3. Disconnect the VSA modulator-control unit 47P connector.





4. Check for continuity between the appropriate wheel sensor (-) terminal and other wheel sensor (-) 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 5.





5. Substitute a known-good wheel sensor for the appropriate wheel sensor (see table).
6. Reconnect all of the disconnected connectors.
7. Turn the ignition switch ON (II).
8. Clear the DTC using the HDS.
9. Turn the ignition switch OFF, disconnect the HDS.
10. Test-drive the vehicle around a number of corners.
11. Verify the DTC.
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 or pulser.