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

AUTOMATIC TEMPERATURE CONTROL
Symptom:

RECIRC DOOR NOT RESPONDING (ACTIVE)

When Monitored and Set Condition:
RECIRC DOOR NOT RESPONDING (ACTIVE)
When Monitored: Ignition in RUN and IOD fuse installed.
Set Condition: This DTC is set when the ATC does not receive feedback pulses within 5
seconds of the drive voltage being applied.
RECIRC DOOR DRIVER CIRCUIT (A) SHORTED TO GROUND
RECIRC DOOR DRIVER CIRCUIT (B) SHORTED TO GROUND
RECIRC DOOR DRIVER CIRCUITS (A) AND (B) SHORTED TOGETHER
RECIRC DOOR DRIVER CIRCUIT (A) OPEN
RECIRC DOOR DRIVER CIRCUIT (B) OPEN
ATC
RECIRCULATION DOOR ACTUATOR
TEST
1 Turn the ignition off.
Disconnect the Recirculation Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance between ground and the Recirculation Door Driver (A)
circuit.
Is the resistance above 100k ohms?
Yes → Go To 2
→ Repair the Recirculation Door Driver (A) circuit for a short to
No
2 Turn the ignition off.
Disconnect the Recirculation Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance between ground and the Recirculation Door Driver (B)
circuit.
Is the resistance above 100k ohms?
Yes → Go To 3
→ Repair the Recirculation 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.
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APPLICABILITY
All
All