System 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 each vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.
Programming HomeLink for Canadian customers and gate openers
Canadian radio-frequency laws require transmitter
signals to "time-out" (or quit) after several
seconds of transmission - which may not be long
enough for HomeLink to pick up the signal
during training. Similar to this Canadian law,
some U.S. gate operators are designed to "timeout"
in the sam ...
Diagnosis system (IPDM E/R)
Diagnosis Description
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following
systems to check their operation.
Oil pressure warning lamp
Front wiper (LO, HI)
Parking lamps
Side marker lamps
License plate lamps
Tail lamps
Front f ...
P1740 select solenoid
Description
The lock-up select solenoid valve controls
lock-up clutch pressure or forward clutch pressure (reverse brake
pressure).
When controlling lock-up clutch, the valve is
turned OFF. When controlling forward clutch, it is turned ON.
DTC Logic
DTC DET ...