TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Measure the resistance between the Blend Door Driver circuit and the Mode Door
Driver circuit, and the Recirc Door Driver circuit in the BCM C2 harness connector.
Measure the resistance between the Mode Door Driver circuit and the Recirc Door
Driver circuit in the BCM C2 harness connector.
Is the resistance below 10K ohms on any of the circuits?
All
Yes
→ Repair all door driver circuits with a resistance below 10K ohms
for short together.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Reconnect the Body Control Module C2 harness connector.
Turn the ignition on.
With the DRBIII
t, record and erase Body Computer DTC’s.
Turn the ignition off.
Disconnect the C200 in-line connector (HVAC) located in the center of the instrument
panel above the accelerator pedal.
Start the engine.
With the DRBIII
t in Miscellaneous, actuate Calibrate HVAC Door Motors.
With the DRBIII
t, read the Body Computer DTCs.
Does the DRBIII
t display: XXXX Door Output Short To Ground?
All
Yes
→ Go To 6
No
→ Go To 7
6
Turn the ignition off.
Disconnect the C200 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 the Common Door Driver circuit and the Blend Door
Driver circuit, the Mode Door Driver circuit, and the Recirc Door Driver circuit in the
BCM C2 harness connector.
Is the resistance below 10K ohms on any of the circuits?
All
Yes
→ Repair all door driver circuits with a resistance below 10K ohms
for short to the Common Door Driver circuit.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace and program the Body Control Module in accordance
with the Service Information.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
293
HEATING & A/C
BLEND DOOR OUTPUT SHORT TO GROUND - ATC & MTC —
Continued