Jaguar X-Type Sedan and Estate (Wagon). Manual - part 344
Published: 12-Jul-2011
Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi (110kW/150PS) -
Puma - Electronic Engine Controls
Diagnosis and Testing
Overview
This section covers the components of the engine management system.
The changes to the engine management for this model year include the addition of a diesel particulate filter system, and this section
includes information on the diagnosis and testing of this system and links to sections dealing specifically with particulate filter checks.
For additional information on the description and operation of the engine management system:
REFER to:
Electronic Engine Controls
(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi (110kW/150PS) - Puma,
Description and Operation).
For additional information on the description and operation of the diesel particulate filter system:
REFER to:
Exhaust System
(309-00 Exhaust System, Description and Operation).
Inspection and Verification
1. Verify the customer concern.
1.
2. Visually inspect for obvious mechanical or electrical faults.
2.
Visual inspection
Mechanical
Electrical
Engine oil level
Cooling system coolant level
Fuel level/contamination
Fuel leaks
Fuel pumps
Intake air system
Accessory drive belt
Sensor fitment/condition
Diesel particulate filter (DPF)
Fuses
W iring harness
Electrical connector(s)
Injectors
Glow plugs
5 volt sensor supply
Sensor(s)
Engine control module (ECM)
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next
step.
3.
4. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) before moving onto the
symptom chart or DTC index.
Make sure that all DTCs are cleared following rectification.
4.
Symptom Chart
Symptom
(general)
Symptom
(specific)
Possible source
Action
Non-Start
Engine does
not crank
Security system
/Immobilizer engaged
Battery condition/charge
Starter relay fault
Starting system fault
Engine control module
(ECM) relay fault
Park/Neutral switch
fault
Engine seized
Make sure that the immobilizer system is disarmed. Check the battery condition
and state of charge. Check that the engine turns by hand. Check the starting
system and circuits. Refer to the electrical guides. Check for DTCs indicating an
ECM relay or park/neutral switch fault. Rectify as necessary.
Engine cranks,
but does not
start
Security system
/Immobilizer engaged
Low/Contaminated fuel
Air ingress
Blocked air cleaner
Blocked fuel filter
Low-pressure circuit
fault
Fuel metering valve
blocked/contaminated
Injector(s)
fault/programming
Intake air temperature
(IAT) sensor fault
Glow plug(s)/circuit
fault
Fuel pressure sensor
fault
Camshaft position
(CMP) sensor fault
Crankshaft position
(CKP) sensor fault
Cylinder head
temperature (CHT)
sensor fault
Fuel pump fault
Low compression
Valve train fault
Blocked catalyst
Make sure that the immobilizer system is disarmed. Check the fuel level and
condition. Draw off approximately 1 ltr (2.11 pints) of fuel and allow to stand for
1 minute. Check to make sure there is no separation of the fuel indicating water
or other liquid in the fuel. Check the low-pressure fuel system for leaks/damage,
check for air ingress. Check the air cleaner element. Check that fuel flows
through the fuel filter. Check for DTCs indicating a fuel metering valve or
injector fault. Check for DTCs indicating an engine management sensor fault.
Check the valve train, check the compressions,
REFER to:
Engine
(303-00 Engine System - General Information, Diagnosis and
Testing).
Check the catalytic converter condition, etc. Check for diesel particulate filter
(DPF)DTCs. Refer to the warranty policy and procedures manual if an ECM is
suspect.