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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TERMINALS OF ECU
TERMINAL INSPECTION
(a) Disconnect the A151 skid control ECU (brake actuator assembly)
connector and measure the voltage and resistance on the wire harness side.
*a
Front view of wire harness connector
(to Skid Control ECU (Brake Actuator Assembly))
DESCRIPTION
When any of the following conditions are met, the skid control
ECU (brake actuator assembly) sets the drive output (STPO) ON which operates the
stop light control relay (stop light switch assembly) and turns on the stop lights.
Illumination Conditions:
Pre-collision brake is