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
When the signal sent from the 4WD ECU assembly does not finish sending, the 4WD
ECU assembly stores a DTC.
When a malfunction occurs in communication with the ECM, skid control ECU (brake
actuator assembly) and steering sensor, the 4WD ECU assembly stores a DTC.
DTC No.
DESCRIPTION If the entry lock and wireless door lock operations cannot be performed, the electrical key and tire pressure warning ECU and receiver may be malfunctioning, or there may be wave interference or problems in the communication which is used for the entry and wireless function between the e
Problem Symptoms Table
Control Module Communication Bus Off (U0073,U0100,U0126,U0129)
