DTC 21: Yaw Rate-Acceleration Sensor Error; DTC 22: Yaw Rate-Acceleration Sensor Center Position Revision Value Error
NOTE:
If DTC 112 is stored at the same time as DTC 21, troubleshoot DTC 112 first, then recheck for DTC 21 or DTC 22.
- Check for VSA system DTCs with the HDS (see
GENERAL TROUBLESHOOTING INFORMATION
).
Are any DTCs indicated?
YES -Troubleshoot the indicated VSA system DTC(s).
NO -Go to step 2.
- Clear the DTCs with the HDS (see HOW TO CLEAR DTCS ).
- Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
- Watch the ACC indicator.
Does the ACC indicator (amber) come on?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- Check for DTCs with the HDS (see HOW TO CLEAR DTCS
).
Is DTC 21 or DTC 22 indicated?
YES -Go to step 6.
NO -Troubleshoot the indicated DTC(s).
- With the vehicle parked on level ground, check the YAW RATE SENSOR with the HDS.
Is about 2.5 V indicated?
YES -Check for loose or poor connections. If OK, update the ACC unit (see ACC UNIT UPDATE ), then recheck. If the ACC unit was already updated, replace the ACC unit (see ADAPTIVE CRUISE CONTROL (ACC) UNIT REMOVAL/INSTALLATION ).
NO -Go to the VSA system troubleshooting (see GENERAL TROUBLESHOOTING INFORMATION ).