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 control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with two 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.
CAN Communication Signal Chart. Refer to LAN-14, "How to Use CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
U1010 control unit (CAN)Audio antenna
Location of Antenna
Audio unit
Audio unit antenna feeder
In-line connectors M103, M501
Antenna amp.
Window antenna
Window Antenna Repair
ELEMENT CHECK
Attach probe circuit tester (ohm setting) to antenna terminal on
each side
When measuring continuity, wrap tin ...
Service data and specifications (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Compressor
Oil
Refrigerant
...
Daytime running light system
Wiring Diagram
...