Did you perform the HVAC Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check

Perform the air delivery and temperature control check. Refer to Air Delivery and Temperature Control Check .

Are the actuators operating within their specified ranges?

Go to Step 3

Go to Symptoms

Was the customer complaint in A/C mode operation?

Go to Cooling Insufficient - Air Conditioning (A/C) System

Go to Step 4

Does the customer need to change the set temperature frequently to maintain comfort?

Go to Set Temperature Requires Frequent Adjustment

Go to Step 5

1. Start the engine.
2. Verify all the instrument panel outlets are open.
3. Operate the system. Refer to the appropriate procedure:

•	Dual Zone Air Conditioning (A/C) System Description

•	Operating Modes

•	Control Assembly Description

•	Control Assembly Description - Passenger

Does the system operate properly?

System OK

Go to Symptoms