Chrysler Concorde 2004 Service Manual page 317

MODE DOOR FEEDBACK FAILURE —
TEST
12 Turn the ignition off.
Ensure the C202/3 inline connector is connected at this time.
With the DRBIII , erase DTC's.
Disconnect the BCM C1 harness connector.
Backprobe one voltmeter lead to the Mode Door Driver ckt in the BCM C1 connector
and the other to chassis ground.
Reconnect the BCM C1 harness connector.
Turn the ignition on.
Move the mode control from defrost to panel while observing the voltmeter.
Did the voltage ever go above 10.0 volts?
Yes → Go To 13
→ Replace the Body Control Module (mode door driver open).
No
13 If there are no possible causes remaining, view repair.
Repair
14 Turn the ignition off.
Disconnect the C202 (manual A/C) or C203 (ATC) in-line connector (HVAC) located in
the center of the instrument panel above the accelerator pedal.
Disconnect the Body Control Module C1 harness connector
Measure the resistance of the Sensor Ground circuit from the inline connector (cavity
#5) (I/P harness side) to the BCM C1 connector.
Is the resistance below 5.0 ohms?
Yes → Replace the Body Control Module (sensor ground open).
→ Repair the Sensor Ground circuit for an open.
No
15 Turn the ignition off.
Disconnect the C202 (manual A/C) or C203 (ATC) in-line connector (HVAC) located in
the center of the instrument panel above the accelerator pedal.
Disconnect the Body Control Module C2 harness connector.
Measure the resistance between ground and the Mode Door Feedback Signal circuit.
Is the resistance below 1000.0 ohms?
Yes → Repair the Mode Door Feedback Signal circuit for a short to
→ Go To 16
No
ACTION
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
If the wiring to the actuator is okay and the mode door is not
binding, replace the Mode Door Actuator.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
ground.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
Continued
301
HEATING & A/C
APPLICABILITY
All
All
All
All