ABS System

ABS DTC Troubleshooting: 21, 22, 23, 24

DTC 21:

Right-Front Magnetic Encoder Malfunction

DTC 22:

Left-Front Magnetic Encoder Malfunction

DTC 23:

Right-Rear Magnetic Encoder Malfunction

DTC 24:

Left-Rear Magnetic Encoder Malfunction

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

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

4. Test-drive the vehicle at 19 mph (30 km/h) or more.

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

5. Check for DTCs with the HDS.

Is DTC 21, 22, 23, or 24 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.�

6. Inspect the appropriate magnetic encoder for damage, debris, and correct installation.





Is the magnetic encoder surface OK?

YES -

Check for loose terminals in the ABS modulator-control unit 47P connector. If necessary, substitute a known-good ABS modulator-control unit Service and Repair, and retest.�

NO -

Remove the debris from the magnetic encoder, or replace the wheel bearing (front) or the hub bearing unit (rear):

- Front: Replace the front wheel bearing Service and Repair.�
- Rear: Replace the rear hub bearing unit Rear Hub Bearing Unit Replacement.�