Jaguar XJ (X350). Manual — part 928

(left hand bank)

high resistance

Exhaust leak

Fuel control system fault

H02S failure

Pinpoint Test

G531332p10.

P015400

H02S circuit no activity

detected (left hand bank)

H02S slow activation

For left hand bank HO2S

circuit tests, GO to

Pinpoint Test

G531332p10.

P015700

Catalyst monitor sensor

circuit low voltage (left hand

bank)

Catalyst monitor sensor

disconnected

Catalyst monitor sensor to

ECM wiring high
resistance

Catalyst monitor sensor short

circuit to ground

Fuel control system lean fault

Catalyst monitor sensor

failure

For left hand bank

catalyst monitor circuit

tests, GO to Pinpoint

Test G531332p14.

P015800

Catalyst monitor sensor

circuit high voltage (left hand

bank)

Catalyst monitor sensor

sensing circuit: short
circuit to high voltage

Catalyst monitor sensor

ground (BRD braided
shield) high resistance

Catalyst monitor sensor

failure

For left hand bank

catalyst monitor circuit

tests, GO to Pinpoint

Test G531332p14.

P015900

Catalyst monitor sensor

circuit slow response (left

hand bank)

Catalyst monitor sensor slow

response

For left hand bank

catalyst monitor circuit

tests, GO to Pinpoint

Test G531332p14.

P016000

Catalyst monitor sensor

circuit no activity detected

(left hand bank)

Catalyst monitor sensor

disconnected

Catalyst monitor sensor

mechanical damage

Catalyst monitor sensor to

For left hand bank

catalyst monitor circuit

tests, GO to Pinpoint

Test G531332p14.

ECM wiring high
resistance

Catalyst monitor sensor

sensing circuit: short
circuit to high voltage

Catalyst monitor sensor short

circuit to ground

Catalyst monitor sensor

ground (BRD braided
shield) high resistance

P016100

Catalyst monitor sensor

heater circuit (left hand

bank)

Catalyst monitor sensor

heater control circuit
malfunction

For left hand bank

catalyst monitor circuit

tests, GO to Pinpoint

Test G531332p14.

P017100

System too lean (right 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 For

fuel line and fuel

pressure 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: G45704-

>G99999 For fuel

injector information,

Fuel Injectors (18.10.02)

For MAF sensor circuit

tests, GO to Pinpoint

Test G531332p1.

Check the exhaust

system (before catalyst)

for condition and

security,

P017200

System too rich (right hand

bank)

Restricted air filter

Leaking fuel injector(s)

For intake system

information,

Intake Air Distribution

and Filtering - VIN Range:

www.

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)

G45704->G99999 For

fuel injector information,

Fuel Injectors (18.10.02)

Check oil condition, if

contamination is present,

renew engine oil and

filter. For MAF sensor

circuit tests, GO to

Pinpoint Test

G531332p1.

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 For

fuel line and pressure

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: G45704-

>G99999 For fuel

injector information,

Fuel Injectors (18.10.02)

For MAF sensor circuit

tests, GO to Pinpoint

Test G531332p1.

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

For intake system

information,

Intake Air Distribution

and Filtering - VIN Range:

G45704->G99999 For

fuel injector information,

Fuel Injectors (18.10.02)

Check oil condition, if

contamination is present,

air flow)

renew engine oil and

filter. For MAF sensor

circuit tests, GO to

Pinpoint Test

G531332p1.

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 high
voltage

EFT sensor ground circuit:

high resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint

Test G531332p34.

P018124

Engine fuel temperature

(EFT) sensor circuit

range/performance - signal

stuck high

EFT sensor to ECM sensing

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

EFT sensor ground circuit:

high resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint

Test G531332p34.

P018129

Engine fuel temperature

(EFT) sensor A circuit

range/performance - signal

invalid

EFT sensor to ECM sensing

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

EFT sensor ground circuit:

high resistance

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint

Test G531332p34.

P018200

Engine fuel temperature

(EFT) sensor circuit low input

EFT sensor to ECM sensing

circuit: short circuit to
ground

EFT sensor to splice sensor

ground circuit: short
circuit

EFT sensor failure

For EFT sensor circuit

tests, GO to Pinpoint

Test G531332p34.

P018300

Engine fuel temperature

(EFT) sensor circuit high input

EFT sensor disconnected

EFT sensor to ECM sensing

circuit: high resistance,

For EFT sensor circuit

tests, GO to Pinpoint

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