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HOMESERVICE MANUALSJAGUAR2006XJ (X350) V8-4.2L SCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
2006 Jaguar XJ (X350) V8-4.2L SC

Engine Control Module: Service and Repair

2006 Jaguar XJ (X350) V8-4.2L SCSECTION Service and Repair


Engine Control Module (ECM) (18.30.01)

Special Service Tools


5 Point Security Torx Bit 415-535:






Removal
1. Disconnect the battery ground cable.
2. Remove the cowl vent screen.
3. Remove the cabin air filter.
- Detach the cabin air filter.
- Remove the cabin air filter.







4. Remove the cabin air filter housing.







5. Remove the engine compartment panel.
- Remove the engine compartment panel retaining bolt.
- Remove the engine compartment panel.







NOTE: The engine control module (ECM) electrical connector retaining bolt remains captive in the electrical connector.

6. Using the special tool, loosen the ECM electrical connector retaining bolt.







7. Disconnect the ECM electrical connector.







8. Remove the instrument panel lower trim panel.
- Remove the retaining clips.
- Remove the instrument panel lower trim panel.







9. Remove the ECM retaining bracket.







10. Remove the ECM.
- Detach the retaining clips.
- Remove the ECM.







Installation

CAUTION:
- Make sure that the electrical connector is located correctly in the ECM. Do not force or overtighten the electrical connector. Failure to follow this instruction may result in damage to the component.
- Make sure the ECM support bracket is located correctly.

1. To install, reverse the removal procedure.
- Tighten to 5 Nm.





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.