Go to step 5.
NO -
Intermittent failure, check for loose wires or poor connections in the rear blower motor circuit.?
5. Turn the ignition switch to LOCK (0).
6. Check the No. 2 (RR BLOWER) (30 A) fuse in the main under-hood fuse box, and the No. 30 (10 A) fuse in the under-dash fuse/relay
box.
Are the fuses OK?
YES -
Go to step 7.
NO -
Replace the fuse(s), and recheck. If fuse(s) blow again, check for a short in the No. 2 (RR BLOWER) (30 A) and No. 30 (10 A) fuse(s) circuit.?
7. Connect rear blower motor 2P connector terminal No. 2 to body ground with a jumper wire.
8. Turn the ignition switch to ON (II).
Does the rear blower motor run at high speed?
YES -
Go to step 9.
NO -
Go to step 24.
9. Turn the ignition switch to LOCK (0).
10. Disconnect the jumper wire.
11. Disconnect the rear power transistor 4P connector.
12. Check for continuity between rear power transistor 4P connector terminal No. 2 and body ground.
