Chrysler Town and Country 2003 Owner's Manual page 233

DRIVER BLEND DOOR NOT RESPONDING (ACTIVE) —
TEST
3 Turn the ignition off.
Disconnect the Driver Blend Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance between the Driver Blend Door Driver (A) and (B) circuits.
Is the resistance above 100k ohms?
Yes → Go To 4
→ Repair the Driver Blend Door Driver (A) and (B) circuits for a
No
4 Turn the ignition off.
Disconnect the Driver Blend Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance of the Driver Blend Door Driver (A) circuit.
Is the resistance below 5.0 ohms?
Yes → Go To 5
→ Repair the Driver Blend Door Driver (A) circuit for an open.
No
5 Turn the ignition off.
Disconnect the Driver Blend Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance of the Driver Blend Door Driver (B) circuit.
Is the resistance below 5.0 ohms?
Yes → Go To 6
→ Repair the Driver Blend Door Driver (B) circuit for an open.
No
6 Turn the ignition off.
Disconnect the ATC C1 harness connector.
Measure the resistance between the Driver Blend Door Driver (A) and (B) circuits.
Is the resistance between 26.0 and 46.0 ohms?
Yes → Replace the ATC.
→ Go To 7
No
7 If there are no possible causes remaining, view repair.
Repair
AUTOMATIC TEMPERATURE CONTROL
ACTION
short together.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Driver Blend Door Actuator.
With the DRBIII , reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
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Continued
APPLICABILITY
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