DTC 64

DTC 64: CMBS Operation Error (Excessive Operation)

NOTE: If the CMBS operates frequently, DTC 64 is stored.

1. Remove the upper grille.
2. Inspect the frame for warpage, and check the installation of the millimeter wave radar unit and the main bracket.

Is the installation and the frame OK?

YES - Go to step 3.

NO - Reinstall the components correctly, or replace if damaged, then go to step 3.

3. Turn the ignition switch ON (II).
4. Aim the millimeter wave radar unit.
5. Clear the DTCs with the HDS.
6. Turn the adaptive cruise control (ACC) switch ON.
7. Watch the adaptive cruise control (ACC) and CMBS indicators.

Do both indicators come on?

YES - Go to step 8.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.

8. Clear the DTCs with the HDS.
9. Watch the CMBS indicator.

Does the CMBS indicator come on?

YES - Go to step 10.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.

10. Check for DTCs with the HDS.

Is DTC 64 indicated?

YES - Check for loose or poor connections. If OK, replace the adaptive cruise control (ACC) unit.

NO - Troubleshoot the indicated DTC.