2010 JAGUAR XFR Fuel injector

SpecificationDescription and OperationComponent Location
Overview
System Operation and Component DescriptionDiagnosis and TestingEngine Cooling - V8 5.0L Petrol/V8 S/C 5.0L PetrolGeneral ProceduresCooling System Draining and Vacuum Filling
Cooling System Partial Draining, Filling and Bleeding - V8 S/C 5.0L Petrol
Cooling System Draining, Filling and Bleeding - V8 S/C 5.0L PetrolRemoval and InstallationAuxiliary Radiator
Coolant Expansion Tank
Cooling Fan Motor and Shroud - Vehicles With: Supercharger
Cooling Module - Vehicles With: Supercharger
Coolant Pump - Vehicles With: Supercharger
Radiator (26.40.01) - Vehicles With: Supercharger
Thermostat Housing - Vehicles With: Supercharger303-03D: Supercharger Cooling - V8 S/C 5.0L Petrol
Description and OperationComponent Location
Overview
System Operation and Component DescriptionRemoval and InstallationRadiator303-04E: Fuel Charging and Controls - V8 S/C 5.0L PetrolSpecificationDescription and OperationComponent Location
Overview
System Operation and Component DescriptionDiagnosis and TestingFuel Charging and ControlsGeneral ProceduresFuel Injection Component CleaningRemoval and InstallationFuel Injectors
Fuel Rail LH
Fuel Rail RH
Left-Hand Fuel Rail High-Pressure Fuel Pump
Right-Hand Fuel Rail High-Pressure Fuel Pump303-03C: Engine Cooling - V8 5.0L Petrol/V8 S/C 5.0L Petrol

Published: 18-Apr-2014
General Information - Diagnostic Trouble Code (DTC) Index V8 S/C 5.0L
Petrol, DTC: Engine Control Module (ECM)
Description and Operation

Engine Control Module (PCM) 5.0L SC V8 - AJ133


WARNING: Fuel injector voltage will reach 65 Volts during operation and have a high current requirement.


CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not
guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle
NOTES:


If the control module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the
Warranty Policy and Procedures manual, or determine if any prior approval programme is in operation, prior to the installation
of a new module/component.


Generic scan tools may not read the codes listed, or may read only five digit codes. Match the five digits from the scan
tool to the first five digits of the seven digit code listed to identify the fault (the last two digits give additional information
read by the manufacturer-approved diagnostic system).


When performing electrical voltage or resistance tests, always use a digital multimeter (DMM) accurate to three decimal
places, and with an up-to-date calibration certificate. When testing resistance, always take the resistance of the DMM leads
into account.


Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.


If DTCs are recorded and, after performing the pinpoint tests, a fault is not present, an intermittent concern may be the
cause. Always check for loose connections and corroded terminals.


Check DDW for open campaigns. Refer to the corresponding bulletins and SSMs which may be valid for the specific
customer complaint and carry out the recommendations as required.

The table below lists all diagnostic trouble codes (DTCs) that could be logged in the electronic engine control module, for
additional diagnosis and testing information refer to the relevant diagnosis and testing section.
For additional information, refer to: Electronic Engine Controls (303-14 Electronic Engine Controls - V8 S/C 5.0L Petrol,
Diagnosis and Testing).

DTC Description Possible Causes Action B10A2-31 Crash Input - No signal

NOTE: - Circuit SRS_SIGNAL -

Loss of communication between
restraints control module and
engine control module
Refer to the electrical circuit
diagrams and check restraints
control module pulse width
modulated SRS signal line circuit,
hard wired connection between
engine control module and restraints
control module for short circuit to
ground, short circuit to power, open
circuit. Repair circuit as required,
clear the DTC and retest B10AC-81
Cruise Control Switch -
Invalid serial data received
The engine control module has
received an invalid command from
the steering wheel switch pack
Clear the DTC and press all the
steering wheel switches, re-check for
DTCs. Refer to the electrical circuit
diagrams and check the speed
control switch circuit for open circuit,
short circuit to power, short circuit to
ground, disconnected
Check and install a new steering
wheel module as required. Refer to
the warranty policy and procedures
manual, or determine if any prior
approval programme is in operation,
prior to the installation of a new

Symptom Action All engine related issues
Check ECM for Diagnostic Trouble Codes (DTCs) and refer to DTC Index. REFER to:
Electronic Engine Controls (303-14C Electronic Engine Controls - V8 5.0L Petrol, Diagnosis and Testing),
Electronic Engine Controls (303-14D Electronic Engine Controls - V8 S/C 5.0L Petrol, Diagnosis and Testing). Difficult to start hot and
cold
Carry out general engine checks:
- Compression test. Refer to component tests in this section.
- Valve clearances
- Spark plug condition and color Poor idle
Ensure the air intake system is free from leaks
Carry out general engine checks:
- Compression test. Refer to component tests in this section.
- Valve clearances
- Spark plug condition and color
Check for collapsed catalytic converter/blocked exhaust system
Check long and short term fuel trim datalogger signals
- Readings up to 10%: may be considered as acceptable if the readings are equal
bank to bank
- Positive readings of between 10-20%: check for air leaks in air intake system
- Negative readings of between 10-20%: check for over fuelling e.g. leaking injectors,
high fuel pressure
- Readings above 20%: check for DTCs and refer to DTC Index. REFER to:
Electronic Engine Controls (303-14C Electronic Engine Controls - V8 5.0L Petrol, Diagnosis and Testing),
Electronic Engine Controls (303-14D Electronic Engine Controls - V8 S/C 5.0L Petrol, Diagnosis and Testing).
Carry out a vacuum gauge check. Refer to component tests in this section Insufficient
power/Insufficient
compression
Ensure the air intake system is free from leaks
Carry out general engine checks:
- Compression test. Refer to component tests in this section.
- Valve clearances
- Spark plug condition and color
Check for collapsed catalytic converter/blocked exhaust system
Check long and short term fuel trim datalogger signals
- Readings up to 10%: may be considered as acceptable if the readings are equal
bank to bank
- Positive readings of between 10-20%: check for air leaks in air intake system
- Negative readings of between 10-20%: check for over fuelling e.g. leaking injectors,
high fuel pressure
- Readings above 20%: check for DTCs and refer to DTC Index. REFER to:
Electronic Engine Controls (303-14C Electronic Engine Controls - V8 5.0L Petrol, Diagnosis and Testing),
Electronic Engine Controls (303-14D Electronic Engine Controls - V8 S/C 5.0L Petrol, Diagnosis and Testing).
Carry out a vacuum gauge check. Refer to component tests in this section Oil consumption
Carry out oil leak check followed by an oil consumption test. Refer to the component tests
in this section
If oil consumption is excessive:
Check the integrity of the engine breather system
Carry out general engine checks:
- Compression test. Refer to component tests in this section.
- Valve clearances
- Spark plug condition and color Noise
Refer to the Special Service Messages on the Electronic Product Quality Report (EPQR)
system for sound files. If the symptom does NOT compare to any of the sound files,
contact Dealer Technical Support (DTS) DTC Index

For a list of DTCs that could log in the Engine Control Module (ECM) refer to section 303-14. REFER to:

Electronic Engine Controls (303-14C Electronic Engine Controls - V8 5.0L Petrol, Diagnosis and Testing), Electronic Engine Controls (303-14D Electronic Engine Controls - V8 S/C 5.0L Petrol, Diagnosis and Testing).

Published: 11-May-2011
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Charging and Controls
- Component Location
Description and Operation
COMPONENT LOCATION










































Item Description 1 Crossover tube 2 LH (left hand) fuel rail 3 Fuel injector (8 off) 4 HP (high pressure) fuel lines 5 HP fuel pumps and covers 6 RH (right hand) fuel rail 7 FRP (fuel rail pressure) sensor 8 LP (low pressure) fuel lines

Published: 15-Mar-2013
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Charging and Controls
- System Operation and Component Description
Description and Operation

Control Diagram

NOTE: A = Hardwired



Item Description 1 Battery 2 BJB (battery junction box) (250 A megafuse) 3 EJB (engine junction box) 4 No. 1 HP fuel pump 5 No. 2 HP fuel pump 6 Fuel injectors 7 ECM 8 FRP sensor

1 LH fuel rail 2 Crossover tube 3 RH fuel rail 4 FRP sensor 5 Fuel injector (8 off) The fuel rails and crossover tube are made from stainless steel. Bolts attach each fuel rail to the related cylinder head. The
crossover tube connects the front high pressure line to the LH fuel rail, which ensures there is equal pressure in the two fuel rails. Four P-clips attach the crossover tube to the intercooler-tank top.
The rear of the RH fuel rail incorporates a threaded boss for installation of the FRP sensor. FUEL RAILS AND CROSSOVER TUBE

RH fuel rail. The FRP sensor is screwed into a threaded boss in the fuel rail. A flying lead and three pin connector provides the interface with the engine harness.

The FRP sensor contains a steel diaphragm fitted with strain gages, which are incorporated into a Wheatstone bridge. The output from the Wheatstone bridge is processed by the ECM to derive a pressure value.
FUEL INJECTORS



The fuel injectors spray fuel from the fuel rail directly into the combustion chambers. The fuel injectors are installed close to
the center of the combustion chambers, between the inlet and exhaust valves and next to the spark plug.

The fuel injectors are a push fit in the fuel rails and the cylinder heads. On each fuel injector, a rubber O-ring seals the head of
the fuel injector in the fuel rail. A teflon ring seals the nozzle of the fuel injector in the cylinder head. A clamp locks each fuel
injector to the fuel rail. FUEL RAIL PRESSURE SENSOR

injectors with 65 V, then once the boost current reaches 11 A the power supply is switched to battery voltage. The ECM meters the amount of fuel injected into the combustion chambers by adjusting the time that the solenoid winding is energized.

There are six holes around the tip of the nozzle through which the fuel is sprayed. Two of the holes direct fuel below the spark
plug. The other four holes direct fuel evenly around the remainder of the combustion chamber.

If a fuel injector fails, the engine will suffer from unstable idle speed, poor NVH (noise, vibration and harshness) and poor
emissions performance.