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 If the airflow from the front registers is weak regardless of the blower speed setting displayed on the air conditioning control assembly, the following factors may be the cause.
Symptom Factor
Airflow volume is constantly low
Airflow volume sometimes becomes l
DESCRIPTION The main body ECU (multiplex network body ECU) detects the condition of the rear door courtesy light switch assembly. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*1
for HEV Model: Click here
Problem Symptoms Table
Weak Blower Output
