Check the No. 30 (7.5 A) fuse in the under-dash fuse/relay box. Is the fuse OK?
YES | - | Go to Step 2 .
NO | - | Replace the fuse, and recheck.■
Disconnect the audio-HVAC module 22P connector. Turn the ignition switch ON (II). Measure the voltage between the No. 20 terminal of the audio-HVAC module 22P connector and body ground. Is there battery voltage?
YES | - | Go to Step 5 .
NO | - | Repair open in the wire between the No. 30 fuse in the under-dash fuse/relay box and the audio-HVAC module.■
Turn the ignition switch OFF. |