Inspection and Verification
- Verify the customer concern.
- Visually inspect for obvious signs of damage and system integrity.Visual Inspection
Mechanical Electrical - Refrigerant
- Heater control flaps
- Ducting
- Fuse(s)
- Harness
- Electrical connectors
- Switch(s)
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, check for Diagnostic Trouble Codes (DTCs) and refer to DTC Index .