Jaguar XJ (X350). Manual — part 853

For MAF sensor circuit

tests, GO to Pinpoint Test

G531330p1.

Check the exhaust system

(before catalyst) for

condition and security,

P017200

System too rich (right hand

bank)

Restricted air filter

Leaking fuel injector(s)

Oil contaminated with fuel

(too many cold starts
with vehicle subsequently
not getting hot enough
for long enough)

MAF sensor fault (high intake

air flow)

For intake system

information,

Intake Air Distribution and

Filtering - VIN Range:

G45704->G99999 For fuel

injector information,

Fuel Injectors (18.10.02)

Check the oil condition, if

contamination is present,

renew the engine oil and

filter. For MAF sensor

circuit tests, GO to

Pinpoint Test G531330p1.

P017400

System too lean (left hand

bank)

Air intake leak between MAF

sensor and cylinder head

Fuel filter/system restriction

Fuel injector restriction

MAF sensor fault (low intake

air flow)

Exhaust leak (before catalyst)

For intake system

information,

Intake Air Distribution and

Filtering - VIN Range:

G45704->G99999 Check

the fuel pressure, check

the fuel lines,

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: G45704-

>G99999 For fuel injector

information,

Fuel Injectors (18.10.02)

For MAF sensor circuit

tests, GO to Pinpoint Test

G531330p1.

Check the exhaust system

(before catalyst) for

condition and security,

P017500

System too rich (left hand

bank)

Restricted air filter

Leaking fuel injector(s)

Oil contaminated with fuel

(too many cold starts
with vehicle subsequently
not getting hot enough
for long enough)

MAF sensor fault (high intake

air flow)

For intake system

information,

Intake Air Distribution and

Filtering - VIN Range:

G45704->G99999 For fuel

injector information,

Fuel Injectors (18.10.02)

Check the oil condition, if

contamination is present,

renew the engine oil and

filter. For MAF sensor

circuit tests, GO to

Pinpoint Test G531330p1.

P018123

Engine fuel temperature

(EFT) sensor A circuit

range/performance - signal

stuck low

EFT sensor to ECM sensing

circuit: high resistance,
short circuit to ground,
short circuit to power

EFT sensor ground circuit:

high resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint Test

G531330p34.

P018124

EFT sensor circuit

range/performance - signal

stuck high

EFT sensor to ECM sensing

circuit: high resistance,
short circuit to ground,
short circuit to power

EFT sensor ground circuit:

high resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint Test

G531330p34.

P018129

EFT sensor A circuit

range/performance - signal

invalid

EFT sensor to ECM sensing

circuit: high resistance,
short circuit to ground,
short circuit to power

EFT sensor ground circuit:

high resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint Test

G531330p34.

P018200 EFT sensor circuit low input

EFT sensor to ECM sensing

circuit: short circuit to
ground

EFT sensor to splice sensor

ground circuit: short

For EFT sensor circuit

tests, GO to Pinpoint Test

G531330p34.

www.

circuit

EFT sensor failure

P018300 EFT sensor circuit high input

EFT sensor disconnected

EFT sensor to ECM sensing

circuit: high resistance,
short circuit to power

EFT sensor to splice sensor

ground circuit: high
resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint Test

G531330p34.

P019100

FRP sensor circuit

range/performance

FRP sensor range and

performance

For FRP sensor circuit

tests, GO to Pinpoint Test

G531330p21.

P019200 FRP sensor circuit low input

FRP sensor disconnected

FRP sensor to ECM sensing

circuit: high resistance or
short circuit to ground

FRP sensor to supply circuit:

high resistance

FRP sensor failure

For FRP sensor circuit

tests, GO to Pinpoint Test

G531330p21.

P019300 FRP sensor circuit high input

FRP sensor to ECM wiring

(supply, sense): short
circuit to each other

FRP sensor to ECM sense

circuit: short circuit to
power

FRP sensor ground circuit:

high resistance

FRP sensor failure

For FRP sensor circuit

tests, GO to Pinpoint Test

G531330p21.

P019623

Engine oil temperature

(EOT) sensor circuit

range/performance - signal

stuck low

EOT sensor to ECM sensing

circuit: intermittent high
resistance

EOT sensor failure

For EOT sensor circuit

tests, GO to Pinpoint Test

G531330p13.

P019624 EOT sensor circuit

range/performance - signal

EOT sensor to ECM sensing

circuit: intermittent high

For EOT sensor circuit

tests, GO to Pinpoint Test

stuck high

resistance

EOT sensor failure

G531330p13.

P019629

EOT sensor circuit

range/performance - signal

invalid

EOT sensor to ECM sensing

circuit: intermittent high
resistance

EOT sensor failure

For EOT sensor circuit

tests, GO to Pinpoint Test

G531330p13.

P019700 EOT sensor circuit low input

EOT sensor to ECM sensing

circuit: short circuit to
ground

EOT sensor failure

For EOT sensor circuit

tests, GO to Pinpoint Test

G531330p13.

P019800 EOT sensor circuit high input

EOT sensor disconnected

EOT sensor to ECM sensing

circuit: high resistance,
short circuit to power

EOT sensor failure

For EOT sensor circuit

tests, GO to Pinpoint Test

G531330p13.

P020100

Cylinder 1 injector

circuit/open

Injector disconnected

Injector harness wiring: high

resistance, short circuit to
ground

Injector failure

For injector circuit tests,

Fuel Charging and

Controls - VIN Range:

G45704->G99999

P020200

Cylinder 2 injector

circuit/open

Injector disconnected

Injector harness wiring: high

resistance, short circuit to
ground

Injector failure

For injector circuit tests,

Fuel Charging and

Controls - VIN Range:

G45704->G99999

P020300

Cylinder 3 injector

circuit/open

Injector disconnected

Injector harness wiring: high

resistance, short circuit to
ground

Injector failure

For injector circuit tests,

Fuel Charging and

Controls - VIN Range:

G45704->G99999

P020400

Cylinder 4 injector

circuit/open

Injector disconnected

Injector harness wiring: high

resistance, short circuit to
ground

Injector failure

For injector circuit tests,

Fuel Charging and

Controls - VIN Range:

G45704->G99999

www.