Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
A/C auto amp.
Harness connectors M1 and E30
Check the continuity between the A/C auto amp. harness connector and the harness connector.

Main line between hvac and ABS circuit
Main line between A-bag and ABS circuitBoth doors mirror defogger don't operate but rear window
defogger operates
Diagnosis Procedure
1. CHECK DOOR MIRROR DEFORGGER FUSE
Check if the following fuse in fuse block (J/B) is blown.
2. CHECK DOOR MIRROR DEFORGGER CIRCUIT
Turn ignition switch OFF.
Disconnect the following harness connectors.
Fuse block (J/B) connector M5
Door mirror LH D4
Door ...
Programming trouble-diagnosis
If the HomeLink does not quickly learn the
hand-held transmitter information:
replace the hand-held transmitter batteries
with new batteries.
position the hand-held transmitter with its
battery area facing away from the
HomeLink surface.
press and hold both the HomeLink and
hand-hel ...
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Che ...