Initial Inspection and Diagnostic Overview

Inspection and Verification

1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.
3. Listen for any unusual noises during the auxiliary climate control operation.
4. Inspect the A/C system with an ultra violet (UV) lamp for traces of UV sensitive leak trace dye.

Visual Inspection Chart

Mechanical Electrical
Coolant level Fuse(s)
Refrigerant Circuit(s)
Drive belt Electrical connector(s)
Control flap(s) Rear blower motor
Coolant hose(s) A/C compressor
Refrigerant pipe(s) Control flap motor(s)
A/C compressor Blower motor control module
Auxiliary climate control module

1. Verify the following systems are working correctly:
- Front A/C system
- Front heating system

2. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
3. If the cause is not visually evident and the Jaguar approved diagnostic system is not available, use a scan tool to retrieve the fault codes before proceeding to the diagnostic trouble code (DTC) index chart, or the symptom chart if no DTCs are set.