Adaptive Cruise Control (ACC) Symptom Troubleshooting - ACC indicator (on the MID) does not come on
ACC indicator (on the MID) does not come on
1.
Gauge control module operation check:

Gauge control module operation check
?1.
Turn the vehicle to the ON mode.

?2.
Check the following indicators in the gauge control module:
Malfunction indicator lamp (MIL)
Brake system indicator (amber)
12 volt charging system indicator

Do the indicators come on?

     
YES
     
     
     
     
NO
     
     
     
Go to step 2.
2.
Fuse check:

Fuse check
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Check the following fuse.
Fuse
No. C34

Is the fuse OK?

     
YES
     
     
     
The fuse is OK. Reinstall the fuse, then go to step 3.
     
NO
     
     
     
Replace the fuse. Turn the vehicle to the ON mode, then the OFF (LOCK) mode. If the fuse blows again, repair the short to ground on the No. C34 fuse circuit.?
3.
Open wire check (IG1 METER line):

Open wire check (IG1 METER line)
?1.
Disconnect the following connector.
Gauge control module 32P connector

?2.
Turn the vehicle to the ON mode.

?3.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
 
Gauge control module 32P connector: disconnected
Test point 1
Gauge control module 32P connector No. 15
Test point 2
Body ground

Is there battery voltage?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the IG1 METER wire between the No. C34 fuse in the under-dash fuse/relay box and the gauge control module.?