Chrysler 300M 2002 Service Manual page 2040

RECIRCULATION DOOR TEST FAILURE (INOPERATIVE OR STALL) —
Continued
TEST
3 If there are no possible causes remaining, view repair.
Repair
4 With the DRBIII , erase Body Computer DTC's.
Turn the ignition off.
Disconnect the Body Control Module C1 harness connector.
Backprobe one lead of a voltmeter to the Recirculation Door Driver circuit in the C1
connector and the other lead to ground.
Reconnect the Body Control Module C1 harness connector.
Turn the ignition on.
Turn (press) the Recirculate switch on, wait 5 seconds then turn (press) the
recirculate switch off while observing the voltmeter.
Did the voltmeter read above 9.0 volts for approximately 6 seconds?
Yes → Repair the Recirculation Door Driver circuit for an open.
→ Replace the Body Control Module.
No
5 Turn (press) the Recirc Door switch off.
With the DRBIII , erase Body Control Module DTC's.
Turn the ignition off.
Disconnect the Recirculation Door Actuator harness connector.
Measure the voltage of the Recirculation Door Driver circuit.
Turn the ignition on.
Turn (press) the Recirc Switch on then off while observing the voltmeter.
Did the voltage go to above 9.0 volts for over 6 seconds?
Yes → Go To 6
→ Go To 6
No
ACTION
Replace the Recirculation 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.
317
HEATING & A/C
APPLICABILITY
All
All
All