Default mode Definitions
WARNING: This page is about a different car, the 1998 Jaguar XK8 and 1997 Jaguar XK8. However, it is still accessible from the selected car via links, so may be relevant.
MECHANICAL LIMP-HOME MODE
- No electronic throttle operation. (Mechanical operation for last quarter of pedal travel)
- Maximum 25° throttle opening, depending on adjustment of throttle mechanical linkage.
- Engine speed restricted to 3000 RPM maximum, by fuel cut-off.
- High idle speed. (1200 RPM approx.)
- Misfire at idle, due to cylinder cut as a means of controlling idle speed. (The misfire will switch cylinders, as the strategy varies the cylinder cut)
- Cruise Control Inhibited
REVERSE THROTTLE PROGRESSION ENABLED
- Electronic throttle operation, limited to maximum 25°
- Cruise Control Inhibited
NOTE:
The throttle operation uses the same map as for reverse gear.
ENGINE SPEED LIMIT
- Engine runs normally, up to 3000 RPM.
- Engine speed restricted to 3000 RPM maximum, by fuel cut-off.
- Cruise Control Inhibited
LIMP-HOME UNAVAILABLE
- Cruise Control Inhibited
- Reverse throttle progression engaged at second occurrence of DTC flagging.