DTC 21
DTC 21, 22, 23, 24: Pulser1. 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 19 mph (30 km/h) or more.
Does the ABS indicator come on and are DTCs 21, 22, 23, 24 indicated?
YES-Go to step 5.
NO-The system is OK at this time.
5. Check the appropriate pulser gear for a chipped tooth (see table).
Are the pulser gears OK?
YES-Check for loose terminals in the ABS control unit 25P connector. If necessary, substitute a known-good ABS modulator-control unit, and recheck.
NO-Replace the driveshaft or the hub unit with the chipped tooth on pulser gear.