Operation CHARM: Car repair manuals for everyone.

Too Hot In Vehicle

Too Hot in Vehicle

Diagnostic Aids
- The condition may be intermittent. Refer to Diagnostic Aids for Circuit Testing and Wiring Repair procedures.
- The air temperature actuators can be calibrated. Refer to Re-Calibrating Actuators (Primary).

Step 1 - 7:




Step 8 - 11:




Step 12 - 14:




Step 15 - 20:




Step 21 - 28:




Test Description
The numbers below refer to the step numbers on the diagnostic table.
6. The ambient air temperature display must be above 5 °C (40 °F) in order for this A/C compressor test to be run. Refer to Ambient Air Temperature Update Procedure if display reads less than 5 °C (40 °F).
9. This action ensures that the internal fan of the inside air temperature sensor assembly is providing air flow across the internal sensor.




12. Use the table to determine that the recorded scan tool values are within range for the recorded probe temperatures of the J 43600 ACR Air Conditioning Service Center.