Toyota Corolla Cross: System Description
Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Door Lock / Key Reminder Warning System / System Description
SYSTEM DESCRIPTION
KEY REMINDER WARNING SYSTEM DESCRIPTION
(a) When the driver door is opened with the ignition switch off or ACC, this system causes a buzzer to sound in order to warn the driver that the key has not been removed.
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the key reminder warning system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
Operation Check
OPERATION CHECK CHECK FUNCTION (a) Check that the key reminder warning buzzer sounds.
(1) With the driver door closed, insert the key into the ignition key cylinder and then make sure that the ignit
Problem Symptoms Table
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
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Low or High Power Supply Voltage (C1241)
DESCRIPTION
If a malfunction in the power source circuit occurs, or a malfunction in communication
between the skid control ECU (brake actuator assembly) and 4WD ECU assembly occurs,
the 4WD ECU assembly will detect a decreased supply voltage malfunction.
DTC No.
Detectio
Ambient Temperature Display System
DESCRIPTION The thermistor assembly is installed in front of the cooler condenser assembly to detect the ambient temperature, which is used to control the automatic air conditioning system. The thermistor assembly detects fluctuations in the ambient temperature and sends it as a signal to the combin
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