Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
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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 in order
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the rotating
DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed a
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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
DESCRIPTION This circuit is the power source circuit for the rear wiper motor assembly. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses of circuits related to this system before performing the following procedure.
Before replacing the main body ECU (multiplex network body EC
Problem Symptoms Table
Central Gateway ECU System Internal Failure (B102004)
