ACC Activation Indicator Does Not Come On

Adaptive Cruise Control (ACC) Symptom Troubleshooting - ACC activation indicator does not come on

ACC activation indicator does not come on

1. Do the gauge control module self-diagnostic function Testing and Inspection.

Is the gauge control module OK?

YES -

Go to step 2.

NO -

Substitute a known-good gauge control module, and recheck. If the problem goes away, replace the original gauge control module Service and Repair.

2. Test the MAIN switch Adaptive Cruise Control (ACC) Combination Switch Test.

Is the switch OK?

YES -

Go to step 3.

NO -

Replace the ACC combination switch Adaptive Cruise Control (ACC) Combination Switch/Distance Switch Removal/Installation.

3. Press the engine start/stop button to select the ON mode.

4. Measure the voltage between cable reel connector C (20P) terminal No. 7 and body ground. There should be about 5 V.





Is the voltage as specified?

YES -

Repair an open in the wire between the ACC combination switch and body ground.

NO -

Repair an open in the wire between the ACC combination switch and the gauge control module.