Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
5. Check for DTCs with the HDS.
Is DTC 21 or DTC 22 indicated?
YES -
Go to step 6.
NO -
Troubleshoot the indicated DTC(s).?
6. With the vehicle parked on level ground, check the YAW RATE SENSOR with the HDS.
Is about 2.5 V indicated?
YES -
The yaw rate-lateral/longitudinal acceleration sensor signal is OK, check for loose or poor connections. If OK, replace the ACC unit See: Cruise
Control/Cruise Control Module/Service and Repair.?
NO -
Go to the VSA system troubleshooting See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.?
TPMS System
TPMS DTC Troubleshooting: 21, 22, 23, 24
DTC 21, 22, 23, 24:
Tire Pressure Sensor Abnormally High Temperature
1. Turn the ignition switch to ON (II).
2. Check the tire indicated by the DTCs you retrieved.
NOTE: An abnormal rise in the internal temperature of the tires can be caused by:
- Excessive braking
- Failure to release the parking brake (rear tires only)
- Leaving the vehicle running while parked
- Improper assembly of a wheel and tire
3. Turn the ignition switch to LOCK (0).
4. Make sure the tires have cooled down.
5. Turn the ignition switch to ON (II).
Does the TPMS indicator go off within one minute?
YES -
The system is OK at this time. Clear the DTC with the HDS.?
NO -
Go to step 6.
6. Check the RF, LF, RR, or LR TIRE PRESSURE SENSOR TEMPERATURE in the TPMS DATA LIST with the HDS.
NOTE: If the HDS screen shows UNDEFINED for sensor status, turn the ignition switch to LOCK (0), rotate the tire 1/4 turn, then turn the ignition
