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Jaguar X-Type Sedan and Estate (Wagon). Manual - part 345

DTC

Condition

Possible source

Action

Wheel speed sensor
input circuit: short circuit
to power

C1155 Left-hand front wheel speed

sensor input circuit fault

Wheel speed sensor
input circuit: high
resistance
Wheel speed sensor
input circuit: short circuit
to ground
Wheel speed sensor
input circuit: short circuit
to power

C1165 Right-hand rear wheel speed

sensor input circuit fault

Wheel speed sensor
input circuit: high
resistance
Wheel speed sensor
input circuit: short circuit
to ground
Wheel speed sensor
input circuit: short circuit
to power

C1175 Left-hand rear wheel speed

sensor input circuit fault

Wheel speed sensor
input circuit: high
resistance
Wheel speed sensor
input circuit: short circuit
to ground
Wheel speed sensor
input circuit: short circuit
to power

P0070 Ambient air temperature (AAT)

sensor circuit malfunction

AAT sensor circuit: high
resistance
AAT sensor circuit: short
circuit to ground
AAT sensor circuit: short
circuit to power
AAT sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the ambient air temperature sensor and circuits.
Refer to the electrical guides. If no fault is found in the circuits,
install a new sensor. Clear the DTCs, test for normal operation.

P0100 Mass air flow (MAF) sensor

circuit malfunction

MAF sensor circuit: high
resistance
MAF sensor circuit: short
circuit to ground
MAF sensor circuit: short
circuit to signal return
MAF sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the MAF sensor and circuits. Refer to the electrical
guides. If no fault is found in the circuits, install a new sensor.
REFER to:

Mass Air Flow (MAF) Sensor

(303-14B Electronic Engine

Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi (110kW /150PS) -
Puma, Removal and Installation).
Clear the DTCs, test for normal operation.

P0105 Manifold absolute pressure

temperature (MAPT) sensor
circuit malfunction

MAPT sensor circuit: high
resistance
MAPT sensor circuit:
short circuit to ground
MAPT sensor circuit:
short circuit to power
MAPT sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. This DTC can be set as a result of other codes. If P1665 is
also set, investigate this first. Check the MAPT sensor and circuits.
Refer to the electrical guides. If no fault is found in the circuits,
install a new sensor. Clear the DTCs, test for normal operation.

P0110 Intake air temperature (IAT)

sensor circuit malfunction (the
intake air temperature sensor
is part of the manifold
absolute pressure and
temperature (MAPT) sensor)

IAT sensor circuit: high
resistance
IAT sensor circuit: short
circuit to ground
IAT sensor circuit: short
circuit to signal return
MAPT sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the MAPT sensor and circuits. Refer to the electrical
guides. If no fault is found in the circuits, install a new sensor.
REFER to:

Manifold Absolute Pressure and Temperature (MAPT)

Sensor

(303-14B Electronic Engine Controls - 2.0L Duratorq-

TDCi/2.2L Duratorq-TDCi (110kW /150PS) - Puma, Removal and
Installation).
Clear the DTCs, test for normal operation.

P0121 Accelerator pedal position

(APP) sensor circuit A
range/performance

APP sensor circuit A: high
resistance
APP sensor circuit A:
short circuit to ground
APP sensor circuit A:
short circuit to signal
return
APP sensor fault

Check the APP sensor and circuits. Refer to the electrical guides. If
no fault is found in the circuits, install a new sensor.
REFER to:

Accelerator Pedal

(310-02 Acceleration Control, Removal

and Installation).
Clear the DTCs, test for normal operation.

P0180 Fuel temperature sensor A

range malfunction

Fuel temperature sensor
circuit: high resistance
Fuel temperature sensor:
faulty connection
Fuel temperature sensor
fault

Check the fuel temperature sensor and circuits. Refer to the
electrical guides. If no fault is found in the circuits, install a new
sensor.
REFER to:

Fuel Temperature Sensor

(303-14B Electronic Engine

Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi (110kW /150PS) -
Puma, Removal and Installation).
Clear the DTCs, test for normal operation.

P0190 Fuel pressure sensor A circuit

Fuel pressure sensor
circuit: high resistance
Fuel pressure sensor:
faulty connection
Fuel pressure sensor
fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the fuel pressure sensor and circuits. Refer to the
electrical guides. If no fault is found in the circuits, install a new
fuel injection supply manifold (the pressure sensor cannot be
serviced separately).
REFER to:

Fuel Injection Supply Manifold

(303-04B Fuel Charging

and Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi
(110kW/150PS) - Puma, Removal and Installation).
Clear the DTCs, test for normal operation.

DTC

Condition

Possible source

Action

P0191 Fuel pressure sensor A circuit

range/performance

Pump deterioration

- Contaminated fuel

Leaking fuel rail
Fuel pressure sensor
circuit fault
Fuel pressure sensor
fault

Check for contaminated fuel. Draw off approximately 1 litre (2.11
pints) of fuel into a clear container and allow to settle for 1 minute.
Examine the fuel for separation indicating contamination. Check the
fuel rail for leaks, etc. Check the fuel pressure sensor and circuits.
Refer to the electrical guides. If no fault is found in the circuits,
install a new fuel injection supply manifold (the pressure sensor
cannot be serviced separately).
REFER to:

Fuel Injection Supply Manifold

(303-04B Fuel Charging

and Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi
(110kW/150PS) - Puma, Removal and Installation).
Clear the DTCs, test for normal operation.

P0200 Injector circuit fault

Blocked, kinked or
crushed fuel return lines
Injector supply circuit:
short circuit to ground
Injector supply circuit:
short circuit to power
Injector resistance
correction invalid
Engine control module
(ECM) fault

Check the fuel return lines for damage, etc. Check the injector
circuits. Refer to the electrical guides. Rectify as necessary. Clear
the DTCs, test for normal operation. Refer to the warranty policy
and procedures manual if an ECM is suspect.

P0201 Injector circuit open, cylinder 1

Injector 1 circuit: short
circuit to ground
Injector 1 circuit: short
circuit to power
Injector 1 circuit: high
resistance
Injector failure

Check the injector circuits. Refer to the electrical guides. Rectify as
necessary. If no fault is found in the circuits, install a new injector.
REFER to:

Fuel Injector

(303-04B Fuel Charging and Controls - 2.0L

Duratorq-TDCi/2.2L Duratorq-TDCi (110kW/150PS) - Puma, Removal
and Installation).
Clear the DTCs, test for normal operation.

P0202 Injector 4 (cylinder 2) circuit

malfunction

Injector 4 circuit: short
circuit to ground
Injector 4 circuit: short
circuit to power
Injector 4 circuit: high
resistance
Injector failure

P0203 Injector 2 (cylinder 3) circuit

malfunction

Injector 2 circuit: short
circuit to ground
Injector 2 circuit: short
circuit to power
Injector 2 circuit: high
resistance
Injector failure

P0204 Injector 3 (cylinder 4) circuit

malfunction

Injector 3 circuit: short
circuit to ground
Injector 3 circuit: short
circuit to power
Injector 3 circuit: high
resistance
Injector failure

P0221 Accelerator pedal position

(APP) sensor circuit B
range/performance

APP sensor circuit B: high
resistance
APP sensor circuit B:
short circuit to ground
APP sensor circuit B:
short circuit to signal
return
APP sensor fault

Check the APP sensor and circuits. Refer to the electrical guides. If
no fault is found in the circuits, install a new sensor.
REFER to:

Accelerator Pedal

(310-02 Acceleration Control, Removal

and Installation).
Clear the DTCs, test for normal operation.

P0226 Accelerator pedal position

(APP) sensor circuit C
range/performance

APP sensor circuit C: high
resistance
APP sensor circuit C:
short circuit to ground
APP sensor circuit C:
short circuit to signal
return
APP sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the APP sensor and circuits. Refer to the electrical
guides. If no fault is found in the circuits, install a new sensor.
REFER to:

Accelerator Pedal

(310-02 Acceleration Control, Removal

and Installation).
Clear the DTCs, test for normal operation.

P0234 Turbocharger over boost

condition

Excessive boost,
detected by manifold
absolute pressure and
temperature (MAPT)
sensor

Check the turbocharger operation, check for sticking turbocharger
vanes, etc. Clear the DTCs, test for normal operation.

P0235 Turbocharger boost sensor A

circuit

Manifold absolute
pressure and temperature
(MAPT) sensor vacuum
hose fault
MAPT sensor circuit: open
circuit
MAPT sensor circuit: high
resistance
MAPT sensor circuit:
short circuit to ground
MAPT sensor circuit:
short circuit to power
MAPT sensor circuit:
short circuit to another

Using the manufacturer approved diagnostic system perform the
(Turbo, exhaust gas recirculation and air path dynamic test)
routine. Refer to the electrical circuit diagrams and check manifold
absolute pressure and temperature sensor circuit - DL1-108 - for
short circuit to ground, short circuit to power, open circuit, high
resistance, short circuit to another circuit. For further diagnostic
information
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Diagnosis and Testing).

DTC

Condition

Possible source

Action

circuit (signal return)
MAPT sensor fault

P0243 Turbocharger actuator A circuit

Turbocharger actuator
circuit: high resistance
Turbocharger actuator
fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the turbocharger actuator and circuits. Refer to the
electrical guides. If no fault is found in the circuits, install a new
turbocharger.
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Removal and Installation).
Clear the DTCs, test for normal operation.

P0251 Injection pump fuel metering

control valve

Contaminated fuel
Air ingress
Pump fault
Excessive injector
leakage
Swarf in system
Inlet metering valve fault

Check for contaminated fuel. Draw off approximately 1 litre (2.11
pints) of fuel into a clear container and allow to settle for 1 minute.
Examine the fuel for separation indicating contamination. Check the
low-pressure fuel system for air ingress, check the fuel pump for
evidence of swarf, etc. Check for injector leakage and DTCs
indicating an inlet metering valve fault.

P0263 Injector 1 (cylinder 1)

contribution/balance

Injector fault

Carry out the injector leakage procedure. Rectify as necessary. Clear
the DTCs, test for normal operation.

P0266 Injector 4 (cylinder 2)

contribution/balance

Injector fault

P0269 Injector 2 (cylinder 3)

contribution/balance

Injector fault

P0272 Injector 3 (cylinder 4)

contribution/balance

Injector fault

P0325 Knock sensor (KS) signal

invalid

KS circuit fault

Check the KS and circuits. Refer to the electrical guides. Rectify as
necessary. Clear the DTCs, test for normal operation.

P0335 Crankshaft position (CKP)

sensor

Teeth missing from the
crank input, indicating
poor output from the
crankshaft reference
sensor
Extra crank teeth seen,
indicating the presence
of noise
No crank events have
been detected within a
calibratable time (when
events have previously
been detected)
The gap in the flywheel
tooth pattern has not
been seen where
expected, indicating the
presence of noise
CKP sensor circuit fault

Check the CKP sensor fitment and condition. Check the CKP sensor
and circuits. Refer to the electrical guides. Clear the DTCs, test for
normal operation.

P0340 Camshaft position (CMP)

sensor

CMP sensor circuit: high
resistance
CMP sensor circuit: short
circuit to ground
CMP sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the CMP sensor and circuits. Refer to the electrical
guides. Clear the DTCs, test for normal operation.

P0380 Glow plug control circuit

Glow plug control circuit:
high resistance
Glow plug control circuit:
short circuit to ground
Glow plug control circuit:
short circuit to power
Glow plug relay fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the glow plug circuits. Refer to the electrical guides.
Activate the glow plug relay and listen for an audible "click". Install
a new relay as necessary. Clear the DTCs, test for normal operation.

P0401 Exhaust gas recirculation (EGR)

insufficient flow detected

Damaged, blocked or
leaking pipes
Disconnected hose
between the air intake
(after the mass air flow
sensor) and the
turbocharger inlet
EGR valve stuck closed

- If P0405 is also set

Using the manufacturer approved diagnostic system perform the
(Turbo, exhaust gas recirculation and air path dynamic test)
routine. Check the intake air path hoses and pipework. Rectify as
necessary. If P0405 is also set, check the EGR valve and rectify as
necessary.

P0402 Exhaust gas recirculation (EGR)

excessive flow detected

EGR valve stuck open

Using the manufacturer approved diagnostic system perform the
(Turbo, exhaust gas recirculation and air path dynamic test)
routine

P0403 Exhaust gas recirculation (EGR)

valve control circuit
malfunction

EGR valve connector fault
EGR valve to engine
control module (ECM)
circuit: high resistance
EGR valve to ECM circuit:
short circuit to ground
EGR valve to ECM circuit:
short circuit to power
EGR valve to ECM circuit:
open circuit

Using the manufacturer approved diagnostic system perform the
(Turbo, exhaust gas recirculation and air path dynamic test)
routine. Note that this code does not indicate a fault in the EGR
valve nor the engine control module (ECM), but possibly in the
connectors to these components. Check the connectors and circuits.
Refer to the electrical guides. Also note that the EGR system will
often set groups of codes rather than a single code. Check out
P0403 first. Refer to the electrical circuit diagrams and check
exhaust gas recirculation (EGR) valve control circuit - DL1-116 - and
- DL1-119 - for short circuit to ground, short circuit to power, open
circuit, high resistance

P0404 Exhaust gas recirculation (EGR)

valve control circuit
range/performance

Excessive soot build-up
on the EGR valve seat

Using the manufacturer approved diagnostic system perform the
(Turbo, exhaust gas recirculation and air path dynamic test)
routine. Refer to the electrical circuit diagrams and check exhaust
gas recirculation (EGR) valve control circuit - DL1-008 - , - DL1-116 -
and - DL1-119 - for short circuit to ground, short circuit to power,

DTC

Condition

Possible source

Action

open circuit, high resistance. For further diagnostic information
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Diagnosis and Testing).

P0405 Exhaust gas recirculation (EGR)

sensor A circuit low

EGR valve connector fault
EGR valve stuck closed

Check for P0401 if this code is logged suspect an exhaust gas
recirculation (EGR) valve internal fault. Using the manufacturer
approved diagnostic system perform the (Turbo, exhaust gas
recirculation and air path dynamic test) routine. Refer to the
electrical circuit diagrams and check exhaust gas recirculation (EGR)
valve sensor circuit - DL1-008 - for short circuit to ground

P0406 Exhaust gas recirculation (EGR)

sensor A circuit high

EGR valve connector fault
EGR valve stuck open

Check for P0402 if this code is logged suspect an exhaust gas
recirculation (EGR) valve internal fault. Using the manufacturer
approved diagnostic system perform the (Turbo, exhaust gas
recirculation and air path dynamic test) routine. Refer to the
electrical circuit diagrams and check exhaust gas recirculation (EGR)
valve sensor circuit - DL1-008 - for short circuit to power

P0409 Exhaust gas recirculation (EGR)

sensor A circuit

EGR valve connector fault
ECM internal fault
EGR valve to engine
control module (ECM)
circuit: high resistance
EGR valve to ECM circuit:
short circuit to ground
EGR valve to ECM circuit:
short circuit to power
EGR valve to ECM circuit:
open circuit

Check the EGR valve connections and circuits first. Rectify as
necessary. Using the manufacturer approved diagnostic system
perform the (Turbo, exhaust gas recirculation and air path
dynamic test) routine. Refer to the electrical circuit diagrams and
check exhaust gas recirculation (EGR) valve sensor circuit - DL1-008
- for short circuit to ground, short circuit to power, open circuit, high
resistance

P0480 Fan 1 control circuit

Fan control module
circuit: high resistance
Fan control module
circuit: short circuit to
ground
Fan control module
circuit: short circuit to
power
Fan motor circuit: high
resistance
Fan motor circuit: short
circuit to ground
Fan motor circuit: short
circuit to power

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the fan circuits. Refer to the electrical guides. Rectify
as necessary. Clear the DTCs, test for normal operation.

P0481 Fan 2 control circuit

High fan control primary
circuit

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the fan circuits. Refer to the electrical guides. Rectify
as necessary. Clear the DTCs, test for normal operation.

P0485 Fan power/ground circuit

Fan control module
circuit: high resistance
Fan control module
circuit: short circuit to
ground
Fan control module
circuit: short circuit to
power

Check the fan circuits. Refer to the electrical guides. Rectify as
necessary. Clear the DTCs, test for normal operation.

P0486 Exhaust gas recirculation (EGR)

sensor B circuit

Check the EGR valve connections and circuits first. Rectify as
necessary. Using the manufacturer approved diagnostic system
perform the (Turbo, exhaust gas recirculation and air path
dynamic test) routine. Refer to the electrical circuit diagrams and
check exhaust gas recirculation throttle position sensor circuit -
DL1-036 - for short circuit to ground, short circuit to power, open
circuit, high resistance

P0487 Exhaust gas recirculation (EGR)

throttle position control circuit

EGR circuit: high
resistance
EGR circuit: short circuit
to ground

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the EGR valve connections and circuits first. Refer to
the electrical guides. Rectify as necessary. Clear the DTCs, test for
normal operation.

P0488 Exhaust gas recirculation (EGR)

throttle position control
range/performance

Check the EGR valve connections and circuits first. Rectify as
necessary. Using the manufacturer approved diagnostic system
perform the (Turbo, exhaust gas recirculation and air path
dynamic test) routine. Refer to the electrical circuit diagrams and
check exhaust gas recirculation (EGR) valve sensor circuit - DL1-096
- for short circuit to ground, short circuit to power, open circuit, high
resistance

P0500 Vehicle speed sensor A

The engine control
module (ECM) cannot
determine the vehicle
speed from the anti-lock
brake system (ABS) or
transmission

Check for DTCs indicating a fault in the ABS or transmission. Rectify
as necessary. Clear the DTCs, test for normal operation.

Content .. 343 344 345 346 ..