Climate Control System

Climate Control System - VIN Range: M45255->N13088

NOTE: All air conditioning (A/C) related tests should be run in an ambient temperature of at least 10 degree C (50 degree F).

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

Visual Inspection Chart

Mechanical Electrical
- Coolant level - Fuse(s)
- Refrigerant (UV lamp) - Circuit
- Drive belt - Blower motor
- Control flap(s) - Electrical connector(s)
- Duct(s) - Compressor
- Register(s) - Cooling fan
- Cabin air filter - Actuators
- Hose(s) - Climate control assembly
- Dual coolant flow valve - Dual coolant flow valve
- Auxillary coolant flow pump (vehicles fitted with 4.2L engine) - Auxillary coolant flow pump (vehicles fitted with 4.2L engine)
- Water pump

1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
2. If the cause is not visually evident, verify the symptom and refer to the Jaguar Approved Diagnostic System.