TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Ignition Switch harness connector.
Measure the resistance between ground and the Fused B(+) circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Fused B(+) circuit for a short to ground and replace the
fuse.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Blower Motor and fuse in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition on.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Using a 12-volt test light connected to ground, back probe the Blower Motor Feed
circuit in the Blower Motor harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 6
No
→ Go To 9
6
Turn the ignition off.
Connect a jumper wire between ground and the Blower Motor High Driver circuit in
the Blower Motor harness connector.
Turn the ignition on.
Does the blower motor run at high speed?
All
Yes
→ Go To 7
No
→ Replace the Blower Motor in accordance with the Service Infor-
mation.
Perform BODY VERIFICATION TEST - VER 1.
7
Turn the ignition off.
Disconnect the A/C - Heater Control Module C2 harness connector.
Disconnect the Blower Motor harness connector.
Measure the resistance of the Blower Motor High Driver circuit between the A/C -
Heater Control Module C2 harness connector and the Blower Motor harness
connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 8
No
→ Repair the Blower Motor High Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
8
Turn the ignition off.
Disconnect the A/C - Heater Control Module C2 harness connector.
Measure the resistance between ground and the Ground circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the A/C - Heater Control Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
409
HEATING & A/C
*BLOWER MOTOR INOPERATIVE —
Continued