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Home >> Jaguar >> 2007 >> XJ (X350) V8-4.2L SC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Default Mode Definitions
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Default Mode Definitions



Default mode Definitions

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
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