Toyota Corolla Cross: How To Troubleshoot Ecu Controlled Systems
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GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general,
ECU controlled systems are considered to be very intricate, requiring a high
level of techn
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements are standard values
measured at
HOW TO PROCEED WITH TROUBLESHOOTING
OPERATION FLOW
HINT:
Perform troubleshooting in accordance with the procedure below. The following
is an outline of basic troubleshooting procedure. Confirm th
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FREEZE FRAME DATA DESCRIPTION (a) When an occupant classification system DTC is stored, the airbag ECU assembly stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
CHECK FREEZE FRAME DATA (a) Check for DTCs. Body Electrical > SRS Airbag > Trouble Codes
(b) According to t
DESCRIPTION The cooler thermistor (room temperature sensor) is installed in the instrument panel to detect the cabin temperature, which is used to control the air conditioning system. The resistance of the cooler thermistor (room temperature sensor) changes in accordance with the cabin temperature.
General Information
Freeze Frame Data
