DTC Troubleshooting: 21-11, 22-11, 23-11, 24-11

DTC 21-11:	Right-front Magnetic Encoder Malfunction (Pulse Missing)
DTC 23-11:	Right-rear Magnetic Encoder Malfunction (Pulse Missing)

1.	Turn the ignition switch ON (II).

2.	Clear the DTC with the HDS.

3.	Test-drive the vehicle. Drive the vehicle at 20 km/h (13 mph) or more, and go a distance of 100 m (328 ft) or more.

4.

Check for DTCs with the HDS. Is DTC 21-11, 22-11, 23-11, and/or 24-11 indicated? YES - Go to 5. NO - Intermittent failure, the system is OK at this time. Check for loose terminals between the wheel sensor 2P connector and the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.n

5.	Turn the ignition switch OFF.

6.

Inspect the appropriate magnetic encoder for debris or cracks. DTC  Appropriate Magnetic Encoder  Note  21-11  Right-front  Remove the outer driveshaft joint from the appropriate wheel hub.  22-11  Left-front  23-11  Right-rear  Remove the hub bearing unit.  24-11  Left-rear  Is the magnetic encoder surface OK? YES - Replace the wheel bearing or the hub bearing unit:n Front: Replace the front wheel bearing. Rear: Replace the rear hub bearing unit. NO - Clean off dust or dirt from the appropriate magnetic encoder surface on the wheel bearing or the hub bearing unit then go to 1 and recheck.n