DTC 21
DTC 21, 22: Magnetic Encoder (front)DTC 23, 24: Pulser (rear)
1. Clear the DTC using the HDS.
2. Disconnect the HDS from the 16P DLC.
3. Turn the ignition switch OFF, then turn it ON (II) again.
4. Test-drive the vehicle at a speed of 19 mph (30 km/h) or more.
Does the ABS indicator come on, and are DTCs 21, 22, 23, and/or 24 indicated?
YES - Go to step 5.
NO - The system is OK at this time.
5. Check the appropriate magnetic encoder or pulser for debris or damage (see table).
Is the encoder or pulser OK?
YES - Go to step 6.
NO - Clean and reinstall or replace the magnetic encoder or pulser.
6. Clear the DTCs using the HDS.
7. Disconnect the HDS from the 16P DLC.
8. Turn the ignition switch OFF, then turn it ON (II) again.
9. Test-drive the vehicle at a speed of 19 mph (30 km/h) or more.
Does the ABS indicator come on?
YES - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and recheck.
NO - Replace the original wheel sensor, encoder, or pulser.