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 PROCEDURE
1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when ins
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends
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DESCRIPTION The main body ECU (multiplex network body ECU) controls the front fog lights. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*1
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First perform the communication function inspections
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 the value(s)
in the table below.
Terminal No. (Symbol)
Terminal Description
Problem Symptoms Table
Front Fog Light Circuit
