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
    22
    Left-front
    23
    Right-rear
    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):■
  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.■