Xj series 1998, Appendix – Jaguar XJ User Manual

Page 152

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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

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