Jaguar XJ (X350). Manual — part 747

Amber

Gearbox

fault/Restricted

performance

Engine speed limited,

reverse throttle progression

enabled

P1797

Amber

Gearbox

fault/Restricted

performance

Gearbox default to set gear

P0641

Amber

Gearbox

fault/Restricted

performance

Gearbox default to set gear

P0651

Amber

Gearbox

fault/Restricted

performance

Gearbox default to set gear

P0860

Amber

Gearbox

fault/Restricted

performance

Limp-home

P1783

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

Diagnostic Trouble Code (DTC) Index

DTC

Description

Possible Source

Action

P0300 Random misfire detected

ECM to ignition coil primary

circuit fault (cylinder
misfire detected DTC also
flagged)

Fuel injector circuit fault(s)

(injector DTCs also flagged)

Ignition coil failure

Spark plug

failure/fouled/incorrect
gap

Cylinder compression low

Fuel delivery pressure

(low/high)

Fuel injectors

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

. For fuel system, <<303-

04>> Check spark plug

condition/gap. For spark

plug test, GO to Pinpoint

Test G290075p2.

For engine information,

<<303-00>>

www.

restricted/leaking

Fuel injectors continuously

open

Fuel contamination

Worn camshaft/broken valve

springs

P0301 Misfire detected, Cyl 1

REFER to possible sources for

P0300

REFER to actions for

P0300

P0302 Misfire detected, Cyl 2

REFER to possible sources for

P0300

REFER to actions for

P0300

P0303 Misfire detected, Cyl 3

REFER to possible sources for

P0300

REFER to actions for

P0300

P0304 Misfire detected, Cyl 4

REFER to possible sources for

P0300

REFER to actions for

P0300

P0305 Misfire detected, Cyl 5

REFER to possible sources for

P0300

REFER to actions for

P0300

P0306 Misfire detected, Cyl 6

REFER to possible sources for

P0300

REFER to actions for

P0300

P0351

Ignition coil

primary/secondary circuit

malfunction, cyl 1

ECM to ignition coil primary

circuit open circuit, short
circuit to ground, high
resistance

Ignition coil ground circuit

open circuit, high
resistance

Ignition coil failure

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

P0352

Ignition coil

primary/secondary circuit

malfunction, cyl 2

ECM to ignition coil primary

circuit open circuit, short
circuit to ground, high
resistance

Ignition coil ground circuit

open circuit, high
resistance

Ignition coil failure

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

P0353

Ignition coil

primary/secondary circuit

malfunction, cyl 3

ECM to ignition coil primary

circuit open circuit, short
circuit to ground, high
resistance

Ignition coil ground circuit

open circuit, high
resistance

Ignition coil failure

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

P0354

Ignition coil

primary/secondary circuit

malfunction, cyl 4

ECM to ignition coil primary

circuit open circuit, short
circuit to ground, high
resistance

Ignition coil ground circuit

open circuit, high
resistance

Ignition coil failure

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

P0355

Ignition coil

primary/secondary circuit

malfunction, cyl 5

ECM to ignition coil primary

circuit open circuit, short
circuit to ground, high
resistance

Ignition coil ground circuit

open circuit, high
resistance

Ignition coil failure

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

P0356

Ignition coil

primary/secondary circuit

malfunction, cyl 6

ECM to ignition coil primary

circuit open circuit, short
circuit to ground, high
resistance

Ignition coil ground circuit

open circuit, high
resistance

Ignition coil failure

For ignition coil circuit

tests, GO to Pinpoint

Test G290075p1.

P0603 ECM data corrupted

ECM

Contact dealer technical

support for advice on

possible ECM failure.

P1000

System checks not complete

since last memory clear

OBD monitors have not completed

Carry out comprehensive

component monitor

drive cycle. Refer to the

DTC section of JTIS,

www.