Passenger Van With Auxiliary A/C

TEST DESCRIPTION

Steps 1-8:

Steps 9-16:

Steps 17-25:

Steps 26-37:

The number(s) below refer to the step number(s) on the diagnostic table.
5. The specified values are from the A/C System Performance Test.
9. This check for proper air temperature actuator movement.
10. The voltage will vary between 0-12 volts during normal operation. The front auxiliary HVAC control assembly connector must be connected during this step. This checks for proper operation of the air temperature actuator door control circuit and the front auxiliary HVAC control assembly.
13. The voltage will vary between 0-12 volts during normal operation. The front auxiliary HVAC control assembly connector must be connected during this step. This checks for proper operation of the air temperature actuator door control circuit and the front auxiliary HVAC control assembly.
14. The auxiliary blower motor switch control circuit should not have continuity to ground when front auxiliary HVAC control assembly is in any position except REAR CNTL.
16. The voltage will vary between 0-12 volts during normal operation. The rear auxiliary HVAC control assembly connector must be connected during this step. This checks for proper operation of the air temperature actuator door control circuit and the rear auxiliary HVAC control assembly.
20. This step checks complete auxiliary air temperature door control circuit from the front HVAC control assembly to the auxiliary HVAC control processor to the auxiliary air temperature actuator.

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