Toyota Corolla (E120): Circuit description

The door courtesy switch turns on when the door is opened and off when the door is closed.

Wiring diagram

Inspection procedure

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    Transmitter battery
    Replacement 1. Replace transmitter battery Notice: special caution should be taken for handling each component as they are precision electronic components. Using a screwdriver, pry out the transmitter case. Notice: do not forcibly pry out the case. Hint: tape the screwdriver tip ...

    Inspection
    1. Cooler thermistor no.1 Check resistance between terminals 1 and 2 of cooler thermistor no. 1 At each temperature, as shown in the chart. Resistance: If resistance value is not as specified, replace the sensor. 2. Cooler and accessory assy Inspect blower switch contin ...

    Alarm
    The alarm uses light and sound to give an alert when an intrusion is detected. The alarm is triggered in the following situations when the alarm is set: A locked door or trunk is unlocked or opened in any way other than using the entry function (if equipped), wireless remote control, mechani ...