iii
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
