2003 Jaguar XJRFACTORY OEM SERVICE PROCEDURE

Default mode Definitions

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Jaguar XKR, 2006 Jaguar XK8, 2005 Jaguar XKR, 2005 Jaguar XK8, and 2004 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.

LIMP-HOME MODE 

  • Throttle motor off
  • Throttle motor relay off
  • Throttle motor circuit off
  • Fuel intervention
  • Cruise control inhibited

LIMP-HOME UNAVAILABLE 

  • Power limitation
  • Vehicle speed limited to 120 kph
  • Reverse throttle progression enabled
  • Cruise Control Inhibited

REVERSE THROTTLE PROGRESSION 

  • Throttle opening limited to maximum 30%
NOTE: The throttle operation uses the same map as for reverse gear.

ENGINE SPEED LIMITED 

  • Engine runs normally, up to 3000 RPM
  • Engine speed restricted to 3000 RPM maximum, by fuel cut-off

HIGH IDLE 

  • Throttle valve kept in fixed position by motor
  • Cruise Control Inhibited

SAFETY REDUNDANCY 

  • Power limitation
  • Vehicle speed limited to 120 kph
  • Reverse throttle progression enabled
  • Cruise Control Inhibited
Factory Service Tools

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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.