Are there continuity?
YES -
Repair a short to body ground in the wire(s) between the audio-navigation unit and the climate control unit, and recheck.?
NO -
Go to step 8.
8. Check for continuity between the terminals of audio-navigation unit connector F (20P) according to the table.
Is there continuity between any of the terminals?
YES -
Repair a short in the wires between the audio-navigation unit and the climate control unit.?
NO -
Go to step 9.
9. Check for continuity between climate control unit connector A (40P), connector B (14P), and audio-navigation unit connector F (20P)
according to the table.
