Chrysler Town and Country 2003 Owner's Manual page 594

HEATING & A/C
*FRONT BLOWER MOTOR INOPERATIVE - MTC —
TEST
7 Ensure IPM Fuse #10 is installed.
Turn the ignition on.
Turn the Power switch on the A/C - Heater Control Module 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 High Speed Blower
Motor circuit in the Front Blower Motor Resistor Block C2 harness connector.
Does the test light illuminate brightly?
Yes → Go To 8
→ Go To 12
No
8 Turn the Power switch on the A/C - Heater Control Module off.
Turn the ignition off.
Using a jumper wire connected to ground, back probe the Rear Blower High Speed
circuit in the Front Blower Motor Resistor Block C2 harness connector.
Turn the ignition on.
Turn the Power switch on the A/C - Heater Control Module on.
Does the blower motor run at high speed?
Yes → Go To 9
→ Replace the Blower Motor in accordance with the Service Infor-
No
9 Turn the Power switch on the A/C - Heater Control Module off.
Turn the ignition off.
Disconnect the A/C - Heater Control Module C2 harness connector.
Using a jumper wire connected to ground, back probe the Blower Motor High Driver
circuit in the A/C - Heater Control Module C2 harness connector.
Turn the ignition on.
Turn the Power switch on the A/C - Heater Control Module on.
Does the blower motor run at high speed?
Yes → Go To 10
→ Go To 11
No
10 Turn the ignition off.
Disconnect the A/C - Heater Control Module C2 harness connector.
Measure the resistance of the Ground circuit between the A/C - Heater Control
Module C2 harness connector and ground.
Is the resistance below 5.0 ohms?
Yes → Replace the A/C - Heater Control Module in accordance with the
→ Repair the Ground circuit for an open.
No
ACTION
mation.
Perform BODY VERIFICATION TEST - VER 1.
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
570
Continued
APPLICABILITY
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