TEST
ACTION
APPLICABILITY
11
Turn the ignition off.
Disconnect the A/C - Heater Control Module C2 harness connector.
Disconnect the Front Blower Motor Resistor Block C1 harness connector.
Measure the resistance of the Blower Motor High Driver circuit between the A/C -
Heater Control Module C2 harness connector and the Front Blower Motor Resistor
Block C1 harness connector.
Is the resistance below 5 ohms?
All
Yes
→ Replace the Front Blower Motor Resistor Block in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Blower Motor High Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
12
Turn the ignition on.
On RG vehicles, press the A/C - Heater Control power switch 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 Fused Front Blower
Motor Relay Output circuit in the Front Blower Motor Resistor Block C1 harness
connector.
Does the test light illuminate brightly?
All
Yes
→ Replace the Front Blower Motor Resistor Block in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 13
13
Turn the ignition off.
Remove the Front Blower Motor Relay from the IPM.
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, probe cavity 30 of the Front Blower
Motor Relay connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 14
No
→ Replace the IPM in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
14
Turn the ignition off.
Remove the Front Blower Motor Relay from the IPM.
Remove IPM Fuse #10.
Measure the resistance between cavity 87 of the Front Blower Motor Relay connector
and IPM Fuse #10 (power input cavity).
Is the resistance below 5 ohms?
All
Yes
→ Go To 15
No
→ Replace the IPM in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
697
HEATING & A/C
*FRONT BLOWER MOTOR INOPERATIVE - MTC —
Continued