TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the A/C - Heater Control C1 harness connector.
Disconnect the Body Control Module C2 harness connector.
Measure the resistance between ground and the Temperature Select Signal circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Temperature Select Signal circuit for a short to
ground.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the A/C - Heater Control C1 harness connector.
Disconnect the Body Control Module C2 harness connector.
Measure the resistance between the Sensor Ground circuit and the Temperature
Select Signal circuit at the A/C - Heater Control C1 harness connector.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Temperature Select Signal circuit for a short to the
Sensor Ground circuit.
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.
Disconnect the A/C - Heater Control C1 harness connector.
Disconnect the Body Control Module C2 harness connector.
Measure the resistance of the Temperature Select Signal circuit between the A/C -
Heater Control C1 harness connector and the BCM C2 harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Repair the Temperature Select Signal circuit for an open.
Calibration must be performed after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
261
HEATING & A/C
A/C BLEND DR INPUT OPEN/SHORT TO GROUND - MTC —
Continued