NOTE: Leave the control unit connector disconnected after checking for DTCs, before moving on to the next control unit.
Is DTC B1000 indicated with each individual unit disconnected?
YES -
Go to step 8.
NO -
Replace the control unit that was disconnected when B1000 did not reset.?
8. Disconnect rear fuse/relay box connector C (42P).
9. Check for continuity between each of the control unit connector terminals listed in the table and body ground.
Is there continuity?
YES -
Repair a short to ground in the wire between the rear fuse/relay box and the affected control unit.?
NO -
Go to step 10.
10. Measure the voltage between each of the rear fuse/relay box connector terminals listed in the table and body ground.
Is there less than 0.2 V?