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 will go off when you test-drive the vehicle at 19 mph (30 km/h).

1. Clear the DTC using the HDS.
2. Disconnect the HDS.
3. Turn the ignition switch OFF, then turn it ON (II) again.
4. Test-drive the vehicle.
Does the ABS indicator come on?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time.





5. Check the appropriate wheel sensor and magnetic encoder.
Are they OK?
YES - Go to step 6.
NO - Reinstall or replace the appropriate wheel sensor and magnetic encoder.

6. Disconnect the ABS modulator-control unit 47P connector.





7. Check for continuity between the appropriate wheel sensor GND terminal and all other wheel sensor GND terminals (see table).
Is there continuity?
YES - Repair the short in the wires between the appropriate wheel sensor and the other wheel sensor.
NO - Go to step 8.

8. Replace the appropriate wheel sensor, and test drive the vehicle.
Does the ABS indicator come ON?
YES - Clear the DTC, and test-drive the vehicle. If the ABS indicator comes on and the same DTC is indicated, replace the ABS modulator-control unit.
NO - The sensor was faulty. Troubleshooting is complete.