Rear Mode Door Not Responding (Active) - Chrysler Town and Country 2003 Owner's Manual

AUTOMATIC TEMPERATURE CONTROL
Symptom:

REAR MODE DOOR NOT RESPONDING (ACTIVE)

When Monitored and Set Condition:
REAR MODE DOOR NOT RESPONDING (ACTIVE)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: This DTC is set if the ATC does not receive feedback pulses within 5
seconds of the drive voltage being applied.
REAR MODE DOOR DRIVER CIRCUIT (A) SHORTED TO GROUND
REAR MODE DOOR DRIVER CIRCUIT (B) SHORTED TO GROUND
REAR MODE DOOR DRIVER CIRCUITS (A) AND (B) SHORTED TOGETHER
REAR MODE DOOR DRIVER CIRCUIT (A) OPEN
REAR MODE DOOR DRIVER CIRCUIT (B) OPEN
ATC
REAR MODE DOOR ACTUATOR
TEST
1 Turn the ignition off.
Disconnect the ATC C1 harness connector.
Measure the resistance between ground and the Rear Mode Door Driver (A) circuit.
Is the resistance above 100k ohms?
Yes → Go To 2
→ Repair the Rear Mode Door Driver (A) circuit for a short to
No
2 Turn the ignition off.
Disconnect the ATC C1 harness connector.
Measure the resistance between ground and the Rear Mode Door Driver (B) circuit.
Is the resistance above 100k ohms?
Yes → Go To 3
→ Repair the Rear Mode Door Driver (B) circuit for a short to
No
POSSIBLE CAUSES
ACTION
ground.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
ground.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
250
APPLICABILITY
All
All