Initial Inspection and Diagnostic Overview

1. Verify the customer's concern by operating the climate control system to duplicate the condition.

Visual Inspection Chart:

2. Inspect to determine if one of the mechanical or electrical concerns apply.
3. If the inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If equipped with a manual A/C system, determine the symptom. GO to Symptom Chart. Symptom Related Diagnostic Procedures
5. If the concern remains after the inspection, connect the scan tool to the Data Link Connector (DLC) located beneath the instrument panel to carry out the data link diagnostics test. If the data link diagnostics test is passed, retrieve the continuous DTCs.
6. If no DTCs are retrieved, GO to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures