Operation CHARM: Car repair manuals for everyone.

Too Cold in Vehicle



TOO COLD IN VEHICLE

TEST DESCRIPTION

Step 1 - Step 10:




Step 11 - Step 21:




Step 22 - Step 24:




2. This test resets HVAC control module and checks for current air temperature actuator DTC.
8. This checks for proper operation of coolant system to ensure heater output.