AUTOMATIC GEARBOX - ZF4HP22 - 24 (Description): DESCRIPTION AND OPERATION (page 12 of 13)

AUTOMATIC GEARBOX - ZF4HP22 - 24

DESCRIPTION AND OPERATION

44-15

CAN communications between EAT ECU and ECM

Inputs from ECM

Outputs to ECM

CAN version identifier

Calculated gear

Emissions (OBD II) control

Diagnostic information

Engine air intake temperature

Emission (OBD II) fault status

Engine speed

Engine torque reduction request

Engine speed fault flag

Gear position switch information

Engine temperature

Output shaft speed

Engine torque

Mode information

Engine torque fault flag

Shift information

Friction torque

Torque converter lock-up status

Maximum engine torque

Reduced engine torque

Road speed

Status of engine torque reduction

Throttle position