Adaptive Cruise Control

Adaptive Cruise Control (ACC) DTC Troubleshooting: 63

DTC 63:

Millimeter Wave Radar Aiming Error

1. Clear the DTCs with the HDS.

2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.

3. Watch the ACC indicator and the CMBS indicator.

Do both indicators come on?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time.�

4. Check for DTCs with the HDS.

Is DTC 63 indicated?

YES -

Go to step 5.

NO -

Troubleshoot the indicated DTC(s). If there are no DTCs, the system is OK at this time.�

5. Remove the front bumper Service and Repair.

6. Check the installation of the millimeter wave radar and the main bracket.

Is the installation OK?

YES -

Go to step 7.

NO -

Reinstall or replace the part that has a problem, then go to step 7.

7. Aim the millimeter wave radar Adjustments.

8. Test-drive the vehicle at 25 mph (40 km/h) or more, and press the MAIN switch ON.

9. With the ACC activated, test-drive the vehicle on a straight road at 25 mph (40 km/h) or more for 5 minutes or more.

10. Watch the ACC indicator and the CMBS indicator.

Do both indicators come on?

YES -

Go to step 11.

NO -

The system is OK at this time.�

11. Check for DTCs with the HDS.

Is DTC 63 indicated?

YES -

Check for loose or poor connections. If OK, replace the millimeter wave radar Service and Repair. After replacement, aim the millimeter wave radar Adjustments.�

NO -

Troubleshoot the indicated DTC(s). If there are no DTCs, the system is OK at this time.�