Chrysler Town and Country 2003 Owner's Manual page 549

BLEND CALIBRATION FAULT - MTC —
TEST
1 NOTE: All Actuator Circuit Test fault messages and Overcurrent DTCs must
be repaired before diagnosing Calibration fault messages.
Turn the ignition on.
With the DRBIII in HVAC, System Tests, actuate the Actuator Circuit Test.
Does the DRBIII display any Actuator Circuit Test fault messages?
Yes → Return to the symptom list and choose the symptom(s).
→ Go To 2
No
2 NOTE: All Actuator Circuit Test fault messages and Overcurrent DTCs must
be repaired before diagnosing Calibration fault messages.
Turn the ignition on.
With the DRBIII , read active HVAC DTCs.
Does the DRBIII display any active HVAC DTCs?
Yes → Return to the symptom list and choose the symptom(s).
→ Go To 3
No
3 Which HVAC Door Recalibration fault message is present?
Mode Calibration Fault
Blend Calibration Fault
Zone Calibration Fault
Recirculation Calibration Fault
Rear Mode Door Calibration Fault
Rear Blend Door Calibration Fault
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Go To 4
Go To 5
Go To 6
Go To 7
Go To 11
Go To 12
Continued
525
HEATING & A/C
APPLICABILITY
All
All
All