CONTROLLER AREA NETWORK (CAN) OPERATION


BHE014000140T53

• The PCM communicates the following vehicle information with the EPS control module, TCM (AT), keyless unit, instrument cluster, DSC HU/CM, Steering angle sensor and DLC-2 via CAN line.

OUT: Output (sends signal)
IN: Input (receives signal)

Signal

Multiplex module

PCM

EPS control module

Keyless unit

TCM (AT)

DSC HU/CM

Steering angle sensor

Instrument cluster

Immobilizer-related information
OUT
-
IN
-
-
-
-
IN
-
OUT
-
-
-
-
Engine speed
OUT
IN
IN
IN
IN
-
IN
Vehicle speed
OUT
IN
-
-
-
-
IN
IN
-
-
OUT
-
-
-
Throttle valve opening angle
OUT
-
-
IN
IN
-
-
Engine coolant temperature
OUT
-
-
IN
-
-
IN
Engine torque
OUT
-
-
IN
IN
-
IN
Torque reduction disabled
OUT
-
-
IN
IN
-
-
Travelled distance
OUT
-
-
-
-
-
IN
Fuel injection amount
OUT
-
-
-
-
-
IN
Engine oil pressure
OUT
-
-
-
-
-
IN
Engine oil level
OUT
-
-
-
-
-
IN
Engine coolant level
OUT
-
-
-
-
-
IN
Fuel pump status
OUT
-
-
-
-
-
IN
MIL on request
OUT
-
-
-
-
-
IN
IN
-
-
OUT
-
-
-
Generator warning light on request
OUT
-
-
-
-
-
IN
Transmission/axle specifications
OUT
-
-
-
IN
-
-
Tire size
OUT
-
-
-
IN
-
-
Cruise control main indicator light on request
OUT
-
-
IN
-
-
IN
Cruise control indicator light on request
OUT
-
-
IN
-
-
IN
Downshift request
OUT
-
-
IN
-
-
-
Idle speed increase request
IN
OUT
-
OUT
-
-
-
Ignition switch off time
IN
-
OUT
-
-
-
-
Target torque
IN
-
-
OUT
-
-
-
Torque upper limit
IN
-
-
OUT
-
-
-
Turbine shaft speed
IN
-
-
OUT
-
-
-
Target gear position/selector lever position
IN
-
-
OUT
IN
-
IN
Gear ratio
IN
-
-
OUT
-
-
-
Brake system status (EBD/ABS/DSC)
IN
IN
-
IN
OUT
-
IN
Torque reduction request
IN
-
-
OUT
OUT
-
-
Wheel speed (LF, RF, LR, RR)
IN
-
-
-
OUT
-
-
Wheel speed status (LF, RF, LR, RR)
IN
-
-
-
OUT
-
-
Fuel tank level
IN
-
-
-
-
-
OUT