Xj series 1998, Appendix – Jaguar XJ User Manual
Page 149

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XJ Series 1998
DATE OF ISSUE: SEPTEMBER 1997
Appendix
CAN Messages by Node
Node: Engine Control Module
Received by ECM
Message
Usage
Source
CAN torque reduction throttle
For traction control – throttle intervention
ABS
CAN fast torque reduction ignition
Fast stability control response – ignition retard
ABS
CAN fast torque reduction cylinder
Fast stability control response – cylinder fuel cut off
ABS
CAN torque reduction request
For shift energy management
TCM
CAN transmission overload
Protects transmission against excessive torque
TCM
CAN transmission input speed
Transmission input shaft speed
TCM
CAN transmission output speed
Transmission output shaft speed
TCM
CAN torque converter slip
Percentage of torque converter slip
TCM
CAN kickdown
Kickdown status
TCM
CAN traction status
Indicates if the traction algorithm is functioning
ABS
CAN vehicle reference speed
Vehicle speed based on a standard wheel size
ABS
CAN ABS fault codes
ABS DTCs, including OBDII P and C codes
ABS
CAN OBDII ABS clear acknowledge
Acknowledgment that OBDII DTCs have been cleared
ABS
CAN ABS fault code MIL status
Indicates whether the ABS DTC should switch MIL on
ABS
CAN ABS malfunction
Malfunction information for ABS and brake systems
ABS
CAN sidelamp status
Side lamp state for idle speed control
INST
CAN dipped beam status
Dipped beam state for idle speed control
INST
CAN main beam status
Main beam state for idle speed control
INST
CAN oil pressure low
Indicates low engine oil pressure
INST
CAN fuel level damped
Indicates ‘damped’ level of fuel in tank
INST
CAN fuel level raw
Indicates ‘raw – undamped’ level of fuel in tank
INST
CAN gear position actual
Actual transmission gear state
TCM
CAN torque converter status
Indicates torque converter lockup
TCM
CAN gear position selected
Position of transmission rotary switch
TCM
CAN gear selection fault
Indicates validity of Can gear position selected
TCM
CAN transmission shift map
Dynamic shift program currently selected
TCM
CAN transmission oil temperature
Transmission fluid temperature
TCM
CAN transmission malfunction
Transmission malfunction warning
TCM
CAN TCM fault code MIL status
Indicates whether the TCM DTC should switch MIL on
TCM
CAN OBDII TCM clear acknowledge
Acknowledgment that OBDII DTCs have been cleared
TCM
CAN transmission fault codes
TCM DTCs, including OBDII P and C codes
TCM
CAN left front wheel speed
Left front wheel speed
ABS
CAN right front wheel speed
Right front wheel speed
ABS
CAN left rear wheel speed
Left rear wheel speed
ABS
CAN right rear wheel speed
Right rear wheel speed
ABS
CAN NWM token – TCM
Message for monitoring network status
TCM
CAN NWM token – INST
Message for monitoring network status
INST
CAN NWM token – ABS
Message for monitoring network status
ABS
CAN diagnostic data in – ECM
From external diagnostics device only
DIAG