Chrysler Town and Country 2003 Owner's Manual page 554

HEATING & A/C
BLEND CALIBRATION FAULT - MTC —
TEST
13 Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Measure the resistance between the Rear Common Door Driver circuit and the
applicable door driver circuit.
Is the resistance above 70.0 ohms?
Yes → Go To 14
→ Reconnect C1. Rerun Recalibration. If DRB displays same fault,
No
14 Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Remove the applicable door actuator from the Rear A/C - Heater Housing Assembly.
Disconnect the door actuator harness connector.
Measure the resistance of the door driver circuit between the A/C - Heater Control
Module C1 harness connector and the door actuator harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 15
→ Repair the Rear Common Door Driver circuit for an open.
No
15 Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Remove the applicable door actuator from the Rear A/C - Heater Housing Assembly.
Disconnect the door actuator harness connector.
Measure the resistance of the Rear Common Door Driver circuit between the door
actuator harness connector and the A/C - Heater Control Module C1 harness
connector.
Is the resistance below 5.0 ohms?
Yes → Replace the door actuator in accordance with the Service Infor-
→ Repair the Rear Common Door Driver circuit for an open.
No
ACTION
replace A/C-Htr Cntrl in accord with Service Info. If DRBIII
displays a different fault, ck wiring & connectors for cause of
intermittent condition. If no prob found, rerun test from Step 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
mation.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Continued
530
APPLICABILITY
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All
All