Too Cold in Vehicle

TEST DESCRIPTION

Steps 1-8:

Steps 9-18:

The numbers below refer to the step numbers on the diagnostic table.
5. This checks for proper cooling system operation.
12. The voltage will vary between 0-12 volts during normal operation. The HVAC control assembly connector must be connected during this step.

For a description of the RPO Code(s) shown in this article/images refer to the RPO Code List found at Vehicle/Application ID RPO Codes