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.
When to carry out adaptations
2002 Jaguar XK8 2D CoupeSECTION When to carry out adaptations
- Whenever the battery is disconnected, the Engine Control Module (ECM) adaptations are reset to a 'green' ECM condition. In this condition, certain functions of the ECM are inhibited, and the ECM must 'relearn' these functions. To enable the ECM to do this, the vehicle will have to perform some maneuvers which it may, or may not, do during a normal road test. The routine in this procedure should be carried out at Pre-Delivery Inspection, and after any emissions related rectification work involving the disconnection of the battery.
- When the DTCs relating to a rectified concern are cleared, P1000 (system checks not complete since last memory clear) will be flagged. This DTC does not indicate a failure, just that diagnostic drive cycles need to be performed. The vehicle's on-board diagnostic system will confirm that all the diagnostic drive cycles are complete by flagging P1111, (system checks complete since last memory clear).
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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.