Preparation
Control unitB2557 vehicle speed
Description
BCM receives the 2 vehicle speed signals via CAN
communication. One signal is transmitted by the "combination
meter". Another signal is transmitted by "ABS actuator and electric unit
(control unit)". BCM compares
both signals to detect the vehicle speed.
DTC Logic
DTC DETECTIO ...
U1001 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each ...
Programming trouble-diagnosis
If the HomeLink does not quickly learn the
hand-held transmitter information:
replace the hand-held transmitter batteries
with new batteries.
position the hand-held transmitter with its
battery area facing away from the
HomeLink surface.
press and hold both the HomeLink and
hand-hel ...