Jaguar XJ (X350). Manual — part 904

P1233

Fuel pump 2 drive circuit

fault

ECM to fuel pump 2 module

control drive circuit;
open circuit, short
circuit, high resistance

Fuel pump 2 module failure

For fuel pump 2 module tests,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703

P1234

No fuel pump commands

received by ECM

ECM to rear electronic

module (REM) drive
circuit; open circuit,
short circuit, high
resistance

REM failure

For fuel pump module tests,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703

P1236

Fuel pump not activated

when requested by ECM

ECM to rear electronic

module (REM) drive
circuit; open circuit,
short circuit, high
resistance

REM failure

For fuel pump module tests,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703

P1240

Sensor power supply

circuit malfunction

ECM to sensors supply

voltage circuit(s); short
circuit to ground, short
circuit to high voltage,
open circuit, high
resistance

For sensor supply tests, GO to

Pinpoint Test G258127p25.

P1241

Sensor power supply

circuit low voltage

ECM to sensors supply

voltage circuit(s); short
circuit to ground

For sensor supply tests, GO to

Pinpoint Test G258127p25.

P1242

Sensor power supply

circuit high voltage

ECM to sensors supply

voltage circuit(s); open
circuit, high resistance,
short circuit to high
voltage

For sensor supply tests, GO to

Pinpoint Test G258127p25.

P1243

Sensor ground circuits

open circuit

ECM to sensors ground

circuit; open circuit,
high resistance

For sensor ground tests, GO to

Pinpoint Test G258127p26.

P1245

Engine crank signal low

voltage

Ignition switch to ECM

circuit; open circuit

Ignition switch failure

For crank signal tests, GO to

Pinpoint Test G258127p27.

P1246

Engine crank signal high

voltage

Ignition switch to ECM

circuit; short circuit to
high voltage

Ignition switch failure

For crank signal tests, GO to

Pinpoint Test G258127p27.

P1250 Throttle valve return

Throttle return spring

INSTALL a new throttle body.

spring malfunction

failure (throttle body
failure)

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703

P1251

Throttle motor relay OFF

failure

Throttle motor relay coil

power supply circuit;
open circuit

Throttle motor relay failure

Throttle motor relay coil to

ECM circuit; open circuit

ECM ground circuit fault

(relay coil drive)

For throttle motor relay tests,

GO to Pinpoint Test

G258127p36.

P1254

Throttle "limp-home"

spring malfunction

Throttle limp-home spring

failure (throttle body
failure)

INSTALL a new throttle body,

Throttle Body - 4.2L NA V8 -

AJV8/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703

(19.70.04)

P1260

Security input

malfunction. Note: This

DTC can only be cleared

following rectification

after an ignition OFF/ON

cycle

Invalid ignition key code

PATS signal to instrument

cluster missing or
corrupted

Security message (PATS)

CAN failure

Contact dealer technical support

for information on security

system.

P1313

Misfire rate catalyst

damage, Right-hand

(Note; This DTC will flag

only when accompanied

by a random or individual

cylinder misfire DTC;

P0300, P0301 to P0308)

Refer to P0300 possible sources

Refer to P0300 Actions.

P1314

Misfire rate catalyst

damage, Left-hand (Note;

This DTC will flag only

when accompanied by a

random or individual

cylinder misfire DTC;

P0300 to P0308)

Refer to P0300 possible sources

Refer to P0300 Actions.

www.

P1316

Misfire excess emission

(Note; This DTC will flag

only when accompanied

by an individual cylinder

misfire DTC; P0300 to

P0308)

Refer to P0300 possible sources

Refer to P0300 Actions.

P1338

Fuel pump drive circuit

low/high voltage

REM to fuel pump drive

circuit; open circuit,
short circuit, high
resistance

REM failure

Fuel pump failure

For fuel pump module tests,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703

P1339

Fuel pump 2 drive circuit

low/high voltage

Fuel pump 2 module to fuel

pump drive circuit; open
circuit, short circuit,
high resistance

Fuel pump 2 module to ECM

monitor circuit; open
circuit, short circuit,
high resistance

Fuel pump 2 module failure

Fuel pump 2 failure

For fuel pump 2 module tests,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703

P1340

Left-hand camshaft

position sensor (CMP)

sensor circuit malfunction

CMP sensor disconnected

CMP sensor gap

incorrect/foreign matter
on sensor face

CMP sensor sensing circuit;

open circuit, short
circuit to ground, short
circuit to high voltage

CMP sensor failure

For CMP sensor tests, GO to

Pinpoint Test G258127p28.

P1341

Left-hand camshaft

position (CMP) sensor

range/performance

CMP sensor disconnected

CMP sensor gap

incorrect/foreign matter
on sensor face

CMP sensor sensing circuit

open circuit, short
circuit to ground, short

For CMP sensor tests, GO to

Pinpoint Test G258127p28.

circuit to high voltage

CMP sensor failure

P1344

Accelerator pedal position

(APP) sensor sensing

circuits

range/performance

APP sensor to ECM sensing

circuits; short circuit,
open circuit, high
resistance

APP sensor supply circuits;

short circuit, open
circuit, high resistance

APP sensor ground circuits;

open circuit

APP sensor failure

For APP sensor sensing circuit

tests, GO to Pinpoint Test

G258127p22.

and GO to Pinpoint Test

G258127p23.

For sensor ground tests, GO to

Pinpoint Test G258127p26.

For sensor supply tests, GO to

Pinpoint Test G258127p25.

P1367

Right-hand cylinders

ignition monitor fault

Ignition monitoring circuit

between splice and
ECM; open circuit, short
circuit to ground or
short circuit to B+
voltage

Ignition coil ground circuit

fault

For ignition system,

Engine Ignition - VIN Range:

G00442->G45703

P1368

Left-hand cylinders

ignition monitor fault

Ignition monitoring circuit

between splice and
ECM; open circuit, short
circuit to ground or
short circuit to B+
voltage

Ignition coil ground circuit

fault

For ignition system,

Engine Ignition - VIN Range:

G00442->G45703

P1384

Right-hand variable

camshaft timing (VCT) oil

control solenoid

malfunction

VCT solenoid to ECM PWM

drive circuit fault

VCT solenoid ground circuit

fault

VCT solenoid failure

Oil contamination

VCT oil flow fault

VCT/camshaft mechanical

failure

Check oil condition; For VCT

solenoid tests, GO to Pinpoint

Test G258127p29.

For engine information,

Engine

www.