( TL19E00K80100081210FAAT00 )

DTC Troubleshooting: 21, 22, 23, 24

DTC 21, 22, 23, 24:
Magnetic Encoder

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

1. Clear the DTC with the HDS.

1. Test-drive the vehicle. Drive the vehicle at 15 km/h (10 mph) or more.
   NOTE: Drive the vehicle on a straight section of road, not on a lift.

1. Check for DTCs with the HDS.

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

YES | - | Go to Step 5 .
NO | - | The system is OK at this time.■

1. Inspect the appropriate magnetic encoder.

   DTC | Appropriate Magnetic Encoder | Note
   --- | --- | ---
   21 | Right-front | Remove the driveshaft outboard joint from the appropriate wheel hub.
   22 | Left-front
   23 | Right-rear | Remove the hub bearing unit.
   24 | Left-rear

Is the magnetic encoder OK?

YES | - | Go to Step 6 .

NO

-

Replace the wheel bearing (front) or the hub bearing unit (rear):■

- Front: Replace the front wheel bearing.
- Rear: Replace the rear hub bearing unit.

1. Update the VSA modulator-control unit if it does not have the latest software. If the unit already has the latest software, substitute a known-good VSA modulator-control unit.

1. Test-drive the vehicle. Drive the vehicle at 15 km/h (10 mph) or more.
   NOTE: Drive the vehicle on a straight section of road, not on a lift.

1. Check for DTCs with the HDS.

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

YES | - | Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit, then retest. If the VSA modulator-control unit was substituted, go to Step 1 .
NO | - | If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.■