Jaguar XJ (X350). Service manual — part 1173
position sensor tests,
Electronic Engine Controls - VIN
Range: G00442->G45703
For brake cancel switch tests, GO to
Pinpoint Test G240073p8.
Unable to regulate/adjust
vehicle speed
Steering wheel switch
malfunction
For speed control switch circuit tests,
GO to Pinpoint Test G240073p11.
For speed control switch input signal
tests, GO to Pinpoint Test
G240073p11.
Unable to cancel speed
control from steering wheel
Steering wheel switch
malfunction
For speed control switch circuit tests,
GO to Pinpoint Test G240073p11.
For speed control switch input signal
tests, GO to Pinpoint Test
G240073p11.
Unable to cancel speed
control from brake pedal
Brake cancel switch
malfunction
For brake cancel switch tests, GO to
Pinpoint Test G240073p8.
Driver Information Chart
Warning
light
Message
Default Mode
DTC
Red
Engine systems
fault
Engine shut-down (all cylinders
fuel cut)
P1224
Red
Engine systems
fault
Limp-Home
P1229
Red
Engine systems
fault
Limp-Home
P0121, P0122, P0123, P0222, P0223
Red
Engine systems
fault
Limp-Home
P1251, P1631
Red
Engine systems
fault
Limp-Home
P1611
Red
Engine systems
fault
Limp-Home
P1633
Red
Engine systems
High idle
P1344, P1122, P1123, P1215, P1216
fault
Red
Restricted
performance
Limp-Home unavailable
P1254
Red
Restricted
performance
Limp-Home unavailable
P1250
Red
Restricted
performance
Safety redundancy
P1657, P1658
Red
Restricted
performance
Safety redundancy
P1634
None
Cruise overrride
None
None. See principles of operation in
this section
Red
Driver intervene
None
None. See principles of operation in
this section
Amber
Cruise not
available
None
P1571
Amber
Cruise not
available
None
P0568
Amber
Cruise not
available
None
P0567
Amber
Cruise not
available
None
P0570
Amber
Cruise not
available
None
P0569
Amber
Cruise not
available
None
P0566
Amber
Cruise not
available
None
P1697
Amber
Cruise not
available
None
P1696
Amber
Restricted
Engine speed limited
P0116, P0117, P0118, P0125
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performance
Amber
Restricted
performance
Engine speed limited
P0101, P0102, P0103, P0104
Amber
Restricted
performance
Engine speed limited
P0300, P0301, p0302, P0303, P0304,
P0305, P0306, P0307, P0308, P1313,
P1314
Amber
Restricted
performance
Engine speed limited
P0327, P0328, P0332, P0333, P1648
Amber
Restricted
performance
Engine speed limited
P0351, P0352, P0353, P0354, P0355,
P0356, P0357, P0358, P1367, P1368
Amber
Restricted
performance
Engine speed limited
P0171, P0172, P0174, P0175
Amber
Restricted
performance
Engine speed limited
P0201, P0202, P0203, P0204, P0205,
P0206, P0207, P0208
Amber
Restricted
performance
Engine speed limited
P0335, P0336
Amber
Restricted
performance
Engine speed limited, reverse
throttle progression enabled
P1642
Amber
Restricted
performance
Engine speed limited, reverse
throttle progression enabled
P1643
Amber
Restricted
performance
Engine speed limited, reverse
throttle progression enabled
P0096, P0097, P0098
Amber
Restricted
performance
Engine speed limited, reverse
throttle progression enabled
P1474
Amber
Restricted
performance
Engine speed limited
P1234, P1236, P1338
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
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