TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Blower Power Module C1 harness connector.
Measure the resistance between ground and the Fused Ignition Switch Output
circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Fused Ignition Switch Output circuit for a short to
ground. Replace JB Fuse #1.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the Blower Power Module C2 harness connector.
Disconnect the Blower Motor harness connector.
Measure the resistance between the Blower Motor Supply circuit and the Blower
Motor Ground circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Blower Motor Supply circuit for a short to the Blower
Motor Ground circuit. Replace JB Fuse #1.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the Blower Power Module C2 harness connector.
Disconnect the Blower Motor harness connector.
Measure the resistance between ground and the Blower Motor Supply circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Blower Motor Supply circuit for a short to ground.
Replace JB Fuse #1.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Turn the ignition off.
Replace JB Fuse #1.
Reconnect the Blower Motor harness connector.
Disconnect the Blower Power Module C1 harness connector.
Disconnect the Blower Power Module C2 harness connector.
Connect a jumper wire between the Fused Ignition Switch Output circuit in the
Blower Power Module C1 harness connector and the Blower Motor Supply circuit in
the Blower Power Module C2 harness connector.
Connect a jumper wire between the Ground circuit in the Blower Power Module C1
harness connector and the Blower Motor Ground circuit in the Blower Power Module
C2 harness connector.
Turn the ignition on.
Does the Blower Motor operate at Hi speed without blowing the fuse?
All
Yes
→ Replace the Blower Power Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Blower Motor in accordance with the Service Infor-
mation. Replace JB Fuse #1.
Perform BODY VERIFICATION TEST - VER 1.
329
HEATING & A/C
*BLOWER MOTOR INOPERATIVE - ATC —
Continued