Jaguar AJV8 engine / 5HP24 transmission. Instruction - page 11

Engine Management

AJ-V8/5HP24

45

Inputs and Outputs

Inputs and outputs are directed to and from the ECM through hard-wired connections and the CAN and
ISO 9141/2 (Serial Communication) data buses contained in the engine management harness (for
further information on the data buses, refer to the Technical Guide, XK8 1997 Model Year Introduction).

ECM Pin Connections

Connector/
Pin

Circuit

Pin

Circuit

Pin

Circuit

EM010
001

Ignition supply

002

Load inhibit

003

Windshield/Backlight heater
request

004

A/C clutch request

005

Ignition supply

006

OK to fuel (where
incorporated)

007

Not used

008

Not used

009

Battery supply

010

Brake switch (foot brake on)

011

Brake switch (cancel cruise
control)

012

ISO 9141/2
(Serial Communication) in (L)

013

ISO 9141/2
(Serial Communication) out (K)

014

Parking brake switch

015

Park/Neutral switch

016

EMS control relay

017

Security acknowledged

018

Not used

019

Not used

020

Sensor ground (ECT, air intake
temperature, accelerator pedal
position, mechanical guard
position and throttle position)

021

Sensor 5 V supply (accelerator
pedal position, mechanical
guard position and throttle
position)

022

EGR ground

023

Signal ground 1

024

Not used

025

CAN in (-)

026

CAN in (+)

027

CAN out (-)

028

CAN out (+)

EM011
001

Cruise control set +/set -
(acceleration/deceleration)

002

Not used

003

ECM programming

004

Cruise control on/off

005

Cruise control resume/cancel

006

Engine crank

007

Not used

008

Sensor 5 V supply (accelerator
pedal position, mechanical
guard position and throttle
position)

009

ECT sensor

010

Throttle position sensor 2

011

Throttle position sensor 1

012

Sensor ground (ECT, air intake
temperature, accelerator pedal
position, mechanical guard
position and throttle position)

013

Mechanical guard position
sensor

014

Shield ground (accelerator
pedal position, mechanical
guard position and throttle
position sensors)

015

Accelerator pedal position
sensor 2

016

Accelerator pedal position
sensor 1

EM012
001

EGR valve 1

002

EGR valve 2

003

EGR valve 3

004

EGR valve 4

005

A/C high pressure switch

006

A/C low pressure switch

007

Not used

008

Ignition failure amplifier 2

009

Ignition failure amplifier 1

010

A/C clutch relay

011

Not used

012

Air intake temperature sensor

013

MAFS

014

HO2S B

015

HO2S A

016

O2S B (where fitted)

017

O2S A (where fitted)

018

MAFS ground

019

MAFS ground

020

Not used

021

Not used

022

Shield ground (HO2S and O2S)

AJ-V8/5HP24

46

Engine Management

16

22

14

9

1

28

21

13

8

12

8

5

1

11

4

18

12

7

1

22

17

11

6

27

17

11

1

10

26

34

12

6

7

1

22

11

1

12

16

7

ECM PIN CONNECTIONS

Connector/
Pin

Circuit

Pin

Circuit

Pin

Circuit

EM013
001

Fuel pump control

002

EMS programming

003

Cruise control switch LED

004

)

005

)

006

)

007

) Not used

008

)

009

)

010

)

011

VSV 3

012

VSV 1

013

VSV 2

014

Throttle motor relay

015

Radiator cooling fans, slow

016

Radiator cooling fans, fast

017

Knock sensor B

018

Knock sensor A

019

Engine speed sensor

020

Camshaft position sensor

021

Not used

022

Ignition coil relay

023

Ignition amplifier 4A

024

Ignition amplifier 3A

025

Ignition amplifier 2A

026

Ignition amplifier 1A

027

Shield ground (knock, engine
speed and camshaft sensors)

028

Engine speed sensor ground

029

Camshaft sensor ground

030

Not used

031

Ignition amplifier 4B

032

Ignition amplifier 3B

033

Ignition amplifier 2B

034

Ignition amplifier 1B

EM014
001

Throttle motor power

002

Throttle motor power

003

Ignition supply

004

Signal ground 2

005

Throttle motor (+)

006

Throttle motor (+)

007

Throttle motor ground 2

008

Throttle motor ground 1

009

Valve timing ground

010

Power ground (miscellaneous)

011

Throttle motor (-)

012

Throttle motor (-)

EM015
001

HO2S B heater

002

HO2S A heater

003

EVAP valve

004

Injector 3B

005

Injector 2B

006

Injector 4A

007

Injector 1A

008

Valve timing solenoid B

009

Valve timing solenoid A

010

Not used

011

Injector ground (1A, 2B, 3B, 4A)

012

HO2S heaters ground

013

Not used

014

Not used

015

Injector 4B

016

Injector 3A

017

Injector 2A

018

Injector 1B

019)
020)

Not used

021)
022

Injector ground (1B, 2A, 3A, 4B)

EM014

EM015

EM013

EM012

EM011

EM010

303-129

AJ-V8/5HP24

47

Engine Management

Engine Harness to Engine Management Harness Pin Connections

Connector/
Pin

Circuit

Pin

Circuit

Pin

Circuit

PI001
001

Throttle position sensor 2

002

A/C compressor lock sensor
ground

003

Throttle position sensor 1

004

Shield ground (throttle
position sensor)

005

ECT sensor

006

Sensor ground (ECT,
accelerator pedal position,
mechanical guard position and
throttle position)

007

EGR valve 4

008

EGR valve 1

009

EGR valve 2

010

EGR valve 3

011

Generator regulator charge
warning

012

Mechanical guard position
sensor

013

A/C clutch

014

Sensor 5 V supply (accelerator
pedal position, mechanical
guard position and throttle
position)

015

Not used

016

Valve timing solenoid A

017

Knock sensor A

018

Screen ground (knock sensor A)

019

Knock sensor B

020

Shield ground (knock sensor B)

021

Engine speed sensor ground

022

Engine speed sensor

023

Screen ground (engine speed
sensor)

024

Camshaft position sensor ground

025

Camshaft position sensor

026

Shield ground (camshaft
sensor)

027

Valve timing solenoid B

028

Valve timing solenoids and
MAFS/intake air temperature
sensor supply

029

Not used

030

Injector 1A

031

Intake air temperature sensor
ground

032

Injector 2A

033

Injector 3A

034

Injector 4A

035

Injector 1B

036

Injector 2B

037

Injector 3B

038

Injector 4B

039

Ignition coil 4A

040

Ignition coil 1A

041

Ignition coil 3B

042

Ignition coil 2B

043

Ignition coil 4B

044

Ignition coil 3A

045

Ignition coil 2A

046

Ignition coil 1B

047

EGR valve supply

048

Engine oil pressure sensor

049

Shield ground (accelerator
pedal position and mechanical
guard position sensors)

050

Accelerator pedal position 1

051

Accelerator pedal position 2

052

MAFS

053

Ignition supply

054

MAFS ground

055

A/C compressor lock sensor

056

MAFS ground

057

Intake air temperature sensor

ENGINE HARNESS PIN CONNECTIONS

4

10

16

22

26

28

34

40

30

46

52

57

1

5

11

17

23

27

31

35

29

41

47

53

5

9

13

1

6

10

PI001

PI002

PI001

PI002

303-061/136/137

AJ-V8/5HP24

48

Engine Management

Connector/
Pin

Circuit

Pin

Circuit

Pin

Circuit

PI002
001

)

002

) Not used

003

)

004

)

005

Injector supply

006

Throttle motor (-)

007

Throttle motor (+)

008

)

009

) Not used

010

)

011

Not used

012

Generator regulator supply

013

Not used

CAN Messages
Messages on the CAN data bus used or output by the ECM are detailed below:

Note:

This list does not include network monitoring or diagnostic related messages.

Message Used by ECM

Source/Used by

Message Produced by ECM

ABS MALFUNCTION

Brake control module

BRAKE PEDAL PRESSED

FAST TORQUE REDUCTION CYLINDER

ENGINE MALFUNCTION

FAST TORQUE REDUCTION IGNITION

ENGINE SPEED

FRONT LEFT WHEEL SPEED

ESTIMATED ENGINE TORQUE

FRONT RIGHT WHEEL SPEED

PEDAL POSITION

REAR LEFT WHEEL SPEED

THROTTLE POSITION

REAR RIGHT WHEEL SPEED

TRACTION ACKNOWLEDGE

TORQUE REDUCTION THROTTLE
TRACTION STATUS
VEHICLE REFERENCE SPEED

FUEL LEVEL

Instrument cluster

BRAKE PEDAL PRESSED

HEADLAMP HIGH BEAM STATUS

ENGINE COOLANT TEMPERATURE

HEADLAMP LOW BEAM STATUS

ENGINE MALFUNCTION

SIDE LAMP STATUS

ENGINE SPEED
FUEL USED
PARK BRAKE STATUS
THROTTLE MALFUNCTION AMBER
THROTTLE MALFUNCTION RED

GEAR POSITION ACTUAL

TCM

CRUISE CONTROL STATUS

GEAR POSITION SELECTED

ENGINE SPEED

GEAR SELECTION FAULT

ESTIMATED ENGINE TORQUE

KICKDOWN STATUS

PEDAL POSITION

TORQUE CONVERTER SLIP

THROTTLE POSITION

TORQUE CONVERTER STATUS

TORQUE REDUCTION ACKNOWLEDGE

TORQUE REDUCTION REQUEST
TRANSMISSION INPUT SPEED
TRANSMISSION MALFUNCTION
TRANSMISSION OIL TEMPERATURE
TRANSMISSION OUTPUT SPEED
TRANSMISSION OVERLOAD

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