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Jaguar X-Type Sedan and Estate (Wagon). Manual - part 329

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REFER to:

Accelerator Pedal

(310-02 Acceleration Control, Removal and Installation).

CLEAR the DTC. TEST the system for normal operation.

PINPOINT TEST AB : P0480. RADIATOR COOLING FAN MODULE DRIVE

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

AB1: CHECK THE PULSE WIDTH MODULATED SIGNAL TO THE COOLING FAN MODULE

Disconnect the radiator cooling fan module electrical connector PWM1.
RUN the engine to a temperature at which the cooling fans would operate.
Using a suitable meter, test for a pulse width modulated signal at PWM1 pin 3 (WU).

Is a PW M signal present?
Yes

INSTALL a new cooling fan module. CLEAR the DTC. TEST the system for normal operation.

GO to AB2

AB2: CHECK CONTINUITY OF THE RADIATOR COOLING FAN MODULE SIGNAL WIRE

Turn the ignition switch to the OFF position.
Disconnect the ECM electrical connector EN16.
Measure the resistance between the radiator cooling fan module electrical connector PWM1 pin 3 (W U) and the ECM
electrical connector EN16 pin 51 (WU).

Is the resistance less than 5 ohms?
Yes

INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW /150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

REPAIR the circuit between the radiator cooling fan module electrical connector PW M1 pin 3 (WU) and the ECM
electrical connector EN16 pin 51 (WU). For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the
system for normal operation.

PINPOINT TEST AC : P0646, P0647. AIR CONDITIONING CLUTCH RELAY DRIVE

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

AC1: CHECK THE GROUND SUPPLY TO THE AIR CONDITIONING CLUTCH

WARNING: This test involves working in proximity to rotating parts. Make sure due care is exercised.

Turn the ignition switch to the ON position.
Disconnect the ECM electrical connector EN16.
Disconnect the air conditioning clutch electrical connector EN30.
Measure the resistance between EN30 pin 2 (B) and GROUND.

Is the resistance less than 5 ohms?
Yes

REPAIR the circuit between EN30 pin 2 (B) and GROUND. For additional information, refer to wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

GO to AC2

AC2: CHECK THE CIRCUIT INTEGRITY BETWEEN THE ECM AND THE AIR CONDITIONING CLUTCH

Apply a GROUND to the disconnected ECM electrical connector EN16 pin 34 (BG).
Measure the voltage at air conditioning clutch electrical connector EN30 pin 1 (RG).

Is the voltage greater than 10 volts?
Yes

GO to AC3

GO to AC4

AC3: CHECK THE AIR CONDITIONING CLUTCH RELAY TO ECM CIRCUIT FOR SHORT TO GROUND

Measure the resistance between EN16 pin 34 (BG) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

GO to AC4

INSTALL a new air conditioning compressor clutch relay. For additional information, refer to the electrical guide.
CLEAR the DTC. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

AC4: CHECK THE CIRCUIT BETWEEN THE AIR CONDITIONING COMPRESSOR CLUTCH AND THE RELAY FOR SHORT TO BATTERY

Measure the voltage between EN30 pin 1 (RG) and GROUND.

Is the voltage greater than 1 volt?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AC5

AC5: CHECK THE CIRCUIT BETWEEN THE AIR CONDITIONING COMPRESSOR CLUTCH AND THE ACCC RELAY FOR SHORT TO
GROUND

Measure the resistance between EN30 pin 1 (RG) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AC6

AC6: CHECK THE CIRCUIT BETWEEN FUSE 23 OF THE POWER DISTRIBUTION FUSE BOX AND THE ACCC RELAY FOR SHORT TO
GROUND

Remove Fuse 23.

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Measure the resistance between fuse box electrical connector JB34 pin 79 and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AC7

AC7: CHECK THE ACCC RELAY BASE FOR BATTERY VOLTAGE AT PIN 3

Refit Fuse 23.
Measure the voltage between the ACCC relay base pin 3 and GROUND.

Is the voltage greater than 10 volts?
Yes

GO to AC8

Check/replace fuses. REPAIR the circuit between the relay base and the battery power bus 1. For additional
information, refer to wiring diagrams. CLEAR the DTC. TEST the system for normal operation.

AC8: CHECK THE CIRCUIT BETWEEN PIN 1 OF THE ACCC RELAY BASE AND THE POWER DISTRIBUTION FUSE BOX FOR SHORT TO
GROUND

Remove Fuse 36.
Measure the resistance between the ACCC relay base pin 1 and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AC9

AC9: CHECK THE ACCC RELAY BASE FOR BATTERY VOLTAGE AT PIN 1

Refit Fuse 36.
Turn the ignition switch to the ON position.
Measure the voltage between ACCC relay base pin 1 and GROUND.

Is the voltage greater than 10 volts?
Yes

GO to AC10

Check/replace fuses. REPAIR the circuit between the relay base and the battery power bus 2. For additional
information, refer to wiring diagrams. CLEAR the DTC. TEST the system for normal operation.

(This circuit includes the EMS relay, and Fuses 9 and 31)

AC10: CHECK THE CIRCUIT BETWEEN THE ECM AND THE ACCC RELAY BASE FOR CONTINUITY

Remove the ACCC relay.
Measure the resistance between the ECM electrical connector EN16 pin 34 (BG) and ACCC relay base pin 2.

Is the resistance less than 5 ohms?
Yes

GO to AC11

REPAIR the circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for normal
operation.

AC11: CHECK THE CIRCUIT BETWEEN THE ECM AND THE ACCC RELAY BASE FOR SHORT TO BATTERY

Check for a voltage between the ECM electrical connector EN16 pin 34 (BG) and GROUND.

Is the voltage greater than 1 volt?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AC12

AC12: CHECK THE CIRCUIT BETWEEN THE ECM AND THE ACCC RELAY BASE FOR SHORT TO GROUND

Measure the resistance between the ECM electrical connector EN16 pin 34 (BG) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

INSTALL a new ACCC relay. For additional information, refer to the electrical guide. CLEAR the DTC. TEST the system
for normal operation.

PINPOINT TEST AD : P1516, P1517. P/N SWITCH STARTING/DRIVING MALFUNCTIONS.

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

AD1: CHECK THE P/N INPUT TO THE ECM.

Select PARK.
Set the ignition switch to the ON position.
Measure the voltage at the ECM electrical connector EN16 pin 31 (B).

Is the voltage greater than 10 volts?
Yes

INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing a ECM, contact Dealer technical support.

REPAIR the circuit between the ECM electrical connector EN16 pin 31 (B) and the ignition switch. For additional
information, refer to wiring diagrams. CLEAR the DTC. TEST the system for normal operation.

(On automatic transmission vehicles, this circuit includes the TR sensor, central junction fuse box, ignition relay, and inertia sw itch. On NAS manual
transmission vehicles, this circuit also includes the clutch safety sw itch.)

PINPOINT TEST AE : P1245; P1246. IGNITION SWITCH CRANK SIGNAL

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WARNING: Make sure the starter motor does not engage in the course of these tests. Failure to follow these instructions may result

in personal injury.

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

AE1: CHECK THE START INPUT TO THE ECM

Move the gear selector to the N position.
Disconnect the ECM electrical connector EN16.
Remove the starter relay from the power distribution fuse box.
Turn the ignition switch to the CRANK position.
Measure the voltage between EN16 pin 6 (Y) and GROUND.

Is the voltage greater than 10 volts?
Yes

GO to AE2

REPAIR the circuit between the ECM and the battery. For additional information, refer to wiring diagrams. CLEAR the
DTC. TEST the system for normal operation.

(This circuit includes the ignition sw itch and the pow er distribution fuse box. [Fuse 28].)

AE2: CHECK THE START INPUT TO THE STARTER RELAY

Turn the ignition switch to the START position and hold.
Measure the voltage between the starter relay base (R10) pin 1 and GROUND.

Is the voltage greater than 10 volts?
Yes

GO to AE3

REPAIR the circuit between the starter relay base and the battery. For additional information, refer to wiring
diagrams. CLEAR the DTC. TEST the system for normal operation.

(This circuit includes the ignition sw itch and the pow er distribution fuse box)

AE3: CHECK THE START INPUT WIRE FOR SHORT TO BATTERY AT ECM

Turn the ignition switch to the ON position.
Measure the voltage between EN16 pin 6 (Y) and GROUND.

Is the voltage greater than 10 volts?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AE4

AE4: CHECK THE START INPUT WIRE FOR SHORT TO BATTERY AT RELAY

Turn the ignition switch to the ON position.
Measure the voltage between the starter relay base pin 1 and GROUND.

Is the voltage greater than 10 volts?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AE5

AE5: CHECK THE STARTER RELAY INPUT FROM THE ECM FOR CONTINUITY

Measure the resistance between EN16 pin 41 (GO) and relay base pin 2.

Is the resistance less than 5 ohms?
Yes

GO to AE6

REPAIR the open circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

AE6: CHECK THE STARTER RELAY INPUT FROM THE ECM FOR SHORT TO GROUND

Disconnect ignition switch electrical connector IP18.
Measure the resistance between EN16 pin 41 (GO) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

GO to AE7

AE7: CHECK THE STARTER RELAY INPUT FROM THE ECM FOR SHORT TO BATTERY

Measure the voltage between the starter relay base pin 2 and GROUND.

Is the voltage greater than 1 volt?
Yes

REPAIR the short circuit. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system for
normal operation.

INSTALL a new starter relay. For additional information, refer to wiring diagrams. CLEAR the DTC. TEST the system
for normal operation. If the DTC is repeated, INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW /150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

Published: 11-May-2011

Electronic Engine Controls - 2.0L NA V6 - AJV6/2.5L NA V6 - AJV6/3.0L NA V6 - AJ27 -
Electronic Engine Controls2.5L NA V6 - AJV6/3.0L NA V6 - AJ27, VIN Range:
J28493->V99999

Diagnosis and Testing

1. Verify the customer concern by operating the system.

2. Visually inspect for obvious signs of mechanical and electrical damage.

Visual Inspection Chart

Mechanical

Electrical

Engine oil level
Cooling system coolant level
Fuel Contamination
Throttle body

Fuses (9, 31, 32, 37)
Wiring harness
Electrical connector(s)
Sensor(s)
Engine control module (ECM)

3. Verify the following systems are working correctly:

Air intake system
Cooling system
Charging system
Fuel charging system

4. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next

step.

5. If the concern is not visually evident and the Jaguar Approved Diagnostic System is not available, use a fault code reader to

retrieve the fault codes before proceeding to the Diagnostic Trouble Code (DTCs) Index Chart.

6. Make sure that a power supply is present to the ECM from fuse 32 of the engine compartment fuse box before carrying out

diagnostic work on the electronic engine control system.

Diagnostic Trouble Code (DTC) Index

DTC

Description

Possible Source

Action

P0116, P0117,
P0118, P0125

Concern with engine coolant
temperature (ECT) sensor.

ECT sensor.
ECT sensor circuit(s).
Low/contaminated
coolant.
Thermostat failure.
Overheating.

GO to Pinpoint Test

P0128

Concern with engine
temperature, set by ECT sensor
inputs.

Thermostat.
ECT sensor.
ECT sensor circuit(s).

Mechanical check of thermostat.GO to Pinpoint Test

P0335, P0336

Concern with crankshaft position
(CKP) sensor.

CKP sensor.
CKP sensor circuit(s).
CKP sensor air gap.
CKP sensor debris.

GO to Pinpoint Test

P0011, P0012,
P0340, P0341

Concern with right-hand bank
camshaft position (CMP) sensor.
Right-hand camshaft position
timing over-advanced/over-
retarded.

CMP sensor.
CMP sensor circuit(s).
CMP sensor air gap.
CMP sensor debris.

GO to Pinpoint Test

P0021, P0022,
P1340, P1341

Concern with left-hand bank
camshaft position (CMP) sensor.
Left-hand camshaft position
timing over-advanced/over-
retarded.

CMP sensor.
CMP sensor circuit(s).
CMP sensor air gap.
CMP sensor debris.

GO to Pinpoint Test

P0031, P0032

Concern with right-hand bank
heated oxygen sensor (HO2S
1/1) heater.

H02S 1/1 failure.
H02S 1/1 circuit(s).
Fuse 38.

GO to Pinpoint Test

P0181, P0182,
P0183

Concern with fuel temperature
sensor.

Fuel temperature sensor.
Fuel temperature sensor
circuit(s).

GO to Pinpoint Test

P0324, P0327,
P0328, P0332,
P0333

Concern with knock sensor (KS).

KS.
KS circuit(s).
Poor contact with cylinder
block.
ECM failure.

GO to Pinpoint Test

P0197, P0198,
P0196

Concern with oil temperature
sensor.

Oil temperature sensor.
Oil temperature sensor
circuit(s).

GO to Pinpoint Test

P0131, P0132

Concern with right-hand bank
heated oxygen sensor (HO2S
1/1).

HO2S 1/1.
HO2S 1/1 circuit(s).

GO to Pinpoint Test

P0133

Concern with right-hand bank
heated oxygen sensor (HO2S
1/1). Slow response.

Engine misfire.
H02S 1/1 disconnected.
H02S 1/1 mechanical
damage.
H02S 1/1 to ECM wiring
fault.
H02S 1/1 short circuit to

GO to Pinpoint Test

Refer to pinpoint tests for

components listed,
REFER to:

Exhaust System

(309-00 Exhaust System,

Diagnosis and Testing) /

Fuel Charging and Controls - 2.5L NA V6 - AJV6/3.0L NA
V6 - AJ27, VIN Range: E96603->J28492

(303-04A Fuel

Charging and Controls - 2.0L NA V6 - AJV6/2.5L NA V6 -

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