Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJAGUAR1991XJ-6 L6-4.0LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGRELAYS AND MODULES - HVACCONTROL MODULE HVACSERVICE AND REPAIR
1991 Jaguar XJ-6 L6-4.0L
Control Module HVAC: Service and Repair
1991 Jaguar XJ-6 L6-4.0LSECTION Service and Repair
Air Conditioning Control Module
Removal
1. Open the bonnet and disconnect the battery earth lead.
2. Open the car door and remove the right hand dash liner.
3. Remove the glove box assembly.
4. Remove the screws securing the control module and displace the module from its location.
5. Disconnect the earth lead and the multi-plug harness connectors.
6. Remove the module.
NOTE:
- Installation is the reverse of the removal procedure.
- Ensure that all connections are secure and clean.
Removal
1. Open the bonnet and disconnect the battery earth lead.
2. Open the car door and remove the right hand dash liner.
3. Remove the glove box assembly.
4. Remove the screws securing the control module and displace the module from its location.
5. Disconnect the earth lead and the multi-plug harness connectors.
6. Remove the module.
NOTE:
- Installation is the reverse of the removal procedure.
- Ensure that all connections are secure and clean.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.