DTC 61: Millimeter Wave Radar Unit Communication Error

1. Clear the DTC with the HDS.

1. Turn the ignition switch ON (II).

1. Watch the adaptive cruise control (ACC) indicator.

Do the indicators come on?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, the system is OK at this time.■

1. Check for DTCs with the HDS.

Is DTC 61 indicated?

YES | - | Go to Step 5 .
NO | - | Troubleshoot the indicated DTC(s). If there are no DTCs, the system is OK at this time.■

1. Turn the ignition switch OFF.

1. Check the No. 29 (7.5 A) fuse in the under-dash fuse/relay box.

Is the fuse OK?

YES | - | Go to Step 7 .
NO | - | Replace the fuse and recheck.■

1. Disconnect the 5P connector from the millimeter wave radar unit.

1. Turn the ignition switch ON (II).

1. Check for voltage between the millimeter wave radar unit 5P connector No. 1 terminal and body ground.

Is there battery voltage?

YES | - | Go to Step 10 .
NO | - | Repair an open in the wire between the millimeter wave radar unit and the No. 29 (7.5 A) fuse in the under-dash fuse/relay box.■

1. Turn the ignition switch OFF.