Toyota Corolla Cross: Power Window Control System
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PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (
PARTS LOCATION ILLUSTRATION
*A w/ Smart Key System
- -
*1 COMBINATION METER ASSEMBLY
*2 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
*3 POWER DISTRIBUTION BOX AS
SYSTEM DIAGRAM
Communication Table
Transmitting ECU Receiving ECU
Signal Communication Method
Multiplex Network Master Switch Assembly
Power Window Regulator Motor Assembly
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DESCRIPTION
The power steering ECU assembly distinguishes the ignition switch status as ON
or off through the IG power source circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Warning Indicate
C123A17
DESCRIPTION When the ignition switch cannot be turned to ACC or ON, interior verification may be abnormal or there may be a malfunction in the ACC relay or IG relay circuit. If interior verification cannot be performed, the certification ECU (smart key ECU assembly) may be malfunctioning or communic