
A INSPECTION OF SOURCE CIRCUIT
Turn ignition switch on.
Is DOME fuse normal?
No → Replace fuse.
Is operation normal?
No → Short circuit in wire harness between fuse and terminal 5 of computer.
Yes
Yes → Fuse faulty
Is C/G fuse normal?
No → Replace fuse.
Is operation normal?
No → Short circuit in wire harness between fuse and terminal 4 of computer.
Yes
Yes → Fuse faulty
BACK DOOR S/W
INSPECT GROUND CONNECTION
Is there continuity between back door switch body and body ground?
No → Body ground faulty.
Yes
INSPECT BACK DOOR SWITCH OPERATION
Is there continuity between terminal 1 and body ground with back door switch turned on?
No → Inspect back door switch.
Yes
BACK DOOR
KEY S/W
INSPECT GROUND CONNECTION
Is there continuity between terminal 3 and body ground?
No → • Open circuit in wire harness between terminal 3 and body ground.
• Body ground faulty.
Yes
CONTINUED ON NEXT PAGE