Xj series 1998, Appendix – Jaguar XJ User Manual
Page 152
vi
XJ Series 1998
DATE OF ISSUE: SEPTEMBER 1997
Appendix
CAN Messages by Node
Node: ABS / Traction Control Control Module
Transmitted by ABS / TCCM
Message
Usage
CAN torque reduction throttle
For traction control – throttle intervention
CAN fast torque reduction ignition
For fast stability control response – ignition retard
CAN fast torque reduction cylinder
For fast stability control response – cylinder fuel cut off
CAN traction status
Indicates if the traction control algorithm is functioning
CAN ABS PECUS flag
PECUS programmed status of ABS / TCCM
CAN vehicle reference speed
Vehicle speed based on a standard wheel size
CAN reference distance traveled
Rolling count – based on a standard wheel size
CAN ABS fault codes
ABS DTCs, including OBDII P and C codes
CAN OBDII ABS clear acknowledge
Acknowledgment that OBDII DTCs have been cleared
CAN ABS fault code MIL status
Indicates whether the ABS DTC should switch MIL on
CAN ABS malfunction
Malfunction information for ABS and brake systems
CAN ABS status
Indicates whether ABS is operating
CAN left front wheel speed
Left front wheel speed
CAN right front wheel speed
Right front wheel speed
CAN left rear wheel speed
Left rear wheel speed
CAN right rear wheel speed
Right rear wheel speed
CAN NWM token – ABS
Message for monitoring network status
CAN diagnostic data out – ABS
From external diagnostics device only
Received by ABS / TC CM
Message
Usage
Source
CAN traction acknowledge
Confirms torque reduction for traction control
ECM
CAN traction estimated engine torque
Derived from map of engine characteristics
ECM
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 slop
TCM
CAN kickdown
Kickdown status
TCM
CAN throttle position
Throttle valve position
ECM
CAN pedal position
Accelerator pedal position, throttle demand
ECM
CAN engine speed
Engine speed
ECM
CAN brake pedal pressed
Brake switch status
ECM
CAN OBDII clear fault codes
Request for ABS and TCM to clear their OBDII DTCs
ECM
CAN gear position actual
Actual transmission gear state
TCM
CAN torque converter status
Indicates torque converter lockup
TCM
CAN transmission shift map
Dynamic shift program currently selected
TCM
CAN transmission malfunction
Transmission malfunction warning
TCM
CAN gear position target
Target gear position for next shift
TCM
CAN torque transfer in progress
Indicates torque transfer in progress during gearshift
TCM
CAN transmission fault codes
TCM DTCs, including OBDII P and C codes
TCM
CAN engine OBDII MIL
MIL control for OBDII DTCs
ECM
CAN throttle malfunction red
Red throttle malfunction warnings
ECM
CAN throttle malfunction amber
Amber throttle malfunction warnings
ECM
CAN ECM fault code MIL status
Indicates whether the ECM DTCs should switch MIL on
ECM
CAN engine DTCs
ECM DTCs, including OBDII P and C codes
ECM
CAN NWM token – ECM
Message for monitoring network status
ECM
CAN NWM token – TCM
Message for monitoring network status
TCM
CAN NWM token – INST
Message for monitoring network status
INST
CAN diagnostic data in – ABS
From external diagnostics device only
DIAG