Diesel Data: Automotive Repair

Too Cold In Vehicle

Too Cold 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 - 5:




Step 6 - 9:




Step 10 - 12:




Step 13:




Step 14 - 18:




Step 19 - 23:




Step 24 - 26:




Test Description
The number below refers to the step number in the diagnostic table.
9. This action ensures that the internal fan of the inside air temperature sensor assembly is providing air flow across the internal sensor.




13. 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.