Go to step 11.
NO -
Repair an open in the wire.?
11. Check for continuity between front passenger's door subharness 16P connector terminal No. 4 and body ground.
Is there continuity?
YES -
Repair a short to ground in the wire.?
NO -
Go to step 12.
12. Check for continuity between front passenger's door subharness 16P connector terminals No. 4 and No. 6.
Is there continuity?
YES -
Repair a short in the wires.?
NO -
Go to step 13.
13. Reconnect front passenger's MPCS unit connector A (28P).
14. Turn the ignition switch to ON (II).
15. Measure the voltage between front passenger's door subharness 16P connector terminal No. 4 and body ground.