Chrysler Pacifica 2004 Service Manual page 895

HEATING & A/C
AC PRESSURE SENSOR FAULT (STORED) —
FRONT IR SENSOR CHANGE TOO LARGE (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: This DTC will set if the Automatic Temperature Control (ATC) detects a
temperature difference greater than 60 degrees between the IR sensors.
FRONT IR SENSOR HIGH (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: This DTC will set if the IR Sensor value is above 250 A/D counts (shorted).
FRONT IR SENSOR LOW (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: This DTC will set if the IR Sensor value is below 5 A/D counts (open).
FRONT MODE DOOR NOT RESPONDING (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: This DTC will set if the Automatic Temperature Control (ATC) does not
receive feedback pulses within 5 seconds of the drive voltage being applied.
FRONT MODE DOOR TRAVEL TOO LARGE (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: The Automatic Temperature Control (ATC) monitors the door's range of
travel during system initialization. If the measured range is greater than expected, the
DTC will set.
FRONT MODE DOOR TRAVEL TOO SMALL (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: The Automatic Temperature Control (ATC) monitors the door's range of
travel during system initialization. If the measured range is less than expected, the DTC
will set.
LEFT IR SENSOR NOT CALIBRATED (STORED)
When Monitored: With the ignition on and the IOD fuse installed.
Set Condition: This DTC will set if the Automatic Temperature Control (ATC) cannot
read the IR sensor offset and gain values.
LOOPBACK FAILURE (STORED)
When Monitored: When the ATC executes an internal loop-back test.
Set Condition: This DTC will set if the Automatic Temperature Control (ATC) fails to
receive a known message while in loop-back mode.
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