Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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SYSTEM DESCRIPTION
OUTLINE
(a) Remote Connect, which enables the user to check the vehicle
status and operate the vehicle from a remote location, has been used.
(b) Remote Connect is available by
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the telematics system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
OPERATION CHECK
HINT:
This function shows the telematics network status when the DCM (telematics
transceiver) was operated. Use this when no DTC is present but this telematics
system was
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DESCRIPTION The main body ECU (multiplex network body ECU) controls the operation of the following lights:
Center tray illumination light (No. 1 interior illumination light assembly)
Front Door Ambient Illumination Light
Front door ambient illumination light LH (Front door trim board
DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the GTS to the vehicle and reading various data output from the engine stop and start ECU.
The engine stop and start ECU records DTCs when