Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
DOOR BUS LINES
CERTIFICATION BUS LINES
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SYSTEM DESCRIPTION
LIN COMMUNICATION SYSTEM DESCRIPTION
The LIN communication system is used for communication between the components
in the tables below. If communication cannot be performed thro
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the LIN communication system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
TERMINALS OF ECU
CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY
ECU)
*1
Power Distribution Box Assembly
*2
Main Body
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DESCRIPTION
If a malfunction in the power source circuit occurs, or a malfunction in communication
between the skid control ECU (brake actuator assembly) and 4WD ECU assembly occurs,
the 4WD ECU assembly will detect a decreased supply voltage malfunction.
DTC No.
Detectio
DESCRIPTION The air fuel ratio sensor (sensor 1) generates current that corresponds to the actual air fuel ratio. This sensor current is used to provide the ECM with feedback so that it can control the air fuel ratio. The ECM determines the deviation from the stoichiometric air fuel ratio level, and
System Description
Low or High Power Supply Voltage (C1241)
