DTC 12-21

DTC 12-21: Right-front Wheel Speed Sensor Installation Error

DTC 14-21: Left-front Wheel Speed Sensor Installation Error

DTC 16-21: Right-rear Wheel Speed Sensor Installation Error

DTC 18-21: Left-rear Wheel Speed Sensor Installation Error

1. Test-drive the vehicle. Drive the vehicle at 7 mph (10 km/h).

NOTE: Drive the vehicle on a straight section of road, not on a lift.

2. Check the RF, LF, RR, LR WHEEL SPD in the ABS DATA LIST with the HDS.

Are all four values the same?

YES - Intermittent failure, the system is OK at this time. Check for loose terminals between the wheel speed sensor 2P connector and the ABS modulator-control unit 25P connector. Refer to intermittent failures troubleshooting.

NO - Go to step 3.

3. Turn the ignition switch to LOCK (0).
4. Check that the appropriate wheel speed sensor is properly mounted.





Is the wheel speed sensor installation OK?

YES - Replace the appropriate wheel speed sensor.

NO - Reinstall the wheel speed sensor, and check the mounting position.