Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the rear view monitor system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed i
TERMINALS OF ECU
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Disconnect the I55 and I253 radio and display receiver assembly
connectors.
(b) Measure the voltage and resistance according to th
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DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
DTC Output from
Priority
Note
B102004
Central Gateway ECU System Internal Failure
A malfunction in the non-vola
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
(a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.
Click here (b) Connect the power distribution box assembly connectors.
(c) Measure the volta