Speed Control

Symptom Chart







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Default mode definitions
Limp-Home Mode
- Throttle motor off
- Throttle motor relay off
- Throttle motor circuit off
- Fuel intervention
- Speed (cruise) control inhibited

Limp-Home unavailable
- Power limitation
- Vehicle speed limited to 120 kph (75 mph)
- Reverse throttle progression enabled
- Speed (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
- Speed (cruise) control inhibited

Safety Redundancy
- Power limitation
- Vehicle speed limited to 120 kph (75 mph)
- Reverse throttle progression enabled
- Speed (cruise) control inhibited