Is there continuity?
YES -
Go to step 13.
NO -
Check for an open in the wire between the rear power transistor and body ground. If the wire is OK, check for poor ground at G503.?
13. Connect rear power transistor 4P connector terminals No. 2 and No. 4 with a jumper wire.
14. Turn the ignition switch to ON (II).
Does the rear blower motor run at high speed?
YES -
Go to step 15.
NO -
Repair an open in the ORN wire between the rear power transistor and the rear blower motor.?
15. Turn the ignition switch to LOCK (0).
16. Disconnect the jumper wire.
17. Disconnect climate control unit connector B (14P).
18. Check for continuity between body ground and climate control unit connector B (14P) terminals No. 13 and No. 14 individually.
