Too Cold in Vehicle - Auxiliary

TOO COLD IN VEHICLE - AUXILIARY

TEST DESCRIPTION

Steps 1 - 7:

Steps 8 - 9:

Steps 10 - 11:

Steps 12 - 16:

Steps 17 - 20:

Steps 21 - 23:

Steps 24 - 25:

The numbers below refer to the step numbers on the diagnostic table.
2. This test resets HVAC control module (IPM) and checks for current air temperature DTC.
8. This checks for proper operation of coolant system to insure heater output.