Too Hot In Vehicle

DIAGNOSTIC AIDS
^ The condition may be intermittent. Refer to Testing for Intermittent and Poor Connections in Diagnostic Aids.
^ The air temperature actuators can be calibrated. Refer to Re-Calibrating Actuators (Primary) or Re-Calibrating Actuators (Auxiliary HVAC). Programming and Relearning Programming and Relearning

TEST DESCRIPTION

Steps 1-5:

Steps 6-11:

Steps 12-17:

Steps 18-28:

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). Ambient Air Temperature Update Procedure - HVAC System - Automatic
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.