ABS (Without VSA)

ABS DTC Troubleshooting: 12-21, 14-21, 16-21, 18-21

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 at 7 mph (10 km/h).
NOTE: Drive the vehicle on the road, not on a lift.

2. Check the RF, LF, RR, LR WHEEL SPEED 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. How To Troubleshoot The ABS (Without VSA)

NO - Go to step 3.


3. Turn the ignition switch to LOCK (0).

4. Check that the appropriate wheel speed sensor is properly mounted. ABS Wheel Speed Sensor Replacement (Without VSA)





Is the wheel speed sensor installation OK?
YES - Replace the appropriate wheel speed sensor. ABS Wheel Speed Sensor Replacement (Without VSA)

NO - Reinstall the wheel speed sensor, and check the mounting position. ABS Wheel Speed Sensor Replacement (Without VSA)