Rear Mode Calibration Fault

Tests 1 - 3:

Tests 4 - 6:

Tests 7 - 8:

SYMPTOM
REAR MODE CALIBRATION FAULT - MANUAL A/C

TEST NOTE
This symptom is diagnosed using the test REAR BLEND CALIBRATION FAULT - MANUAL A/C.

WHEN MONITORED
When the HVAC Door Recalibration is executed. With the ignition ON (door actuator(s)/circuit(s) shorted low only).

SET CONDITION
If the Rear Mode Door drive span found is outside the tolerance. If the Rear Mode Door Actuator/circuit is open. If the Blend Door(s) (Driver [Zone], Pass, Rear), Mode Door(s) (Front, Rear), Recirculation Door Actuator(s)/circuit(s) are shorted low. (This will also set Blend Calibration/Overcurrent (Front, Rear), Mode Calibration/Overcurrent (Front, Rear), Recirculation Calibration/Overcurrent, Zone Calibration/Overcurrent DTCs.)

POSSIBLE CAUSES
- Additional code(s) present
- Rear blend door actuator driver circuit(s) open
- Rear mode door actuator driver circuit(s) open
- Door actuator
- Actuator/linkage/door
- Door actuator driver circuit open
- Common door driver circuit open
- A/C - heater control module