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Home >> Toyota >> 2001 >> 4Runner Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Back Door Control System - Diagnostics >> Circuit Inspection >> Back Door Unlock Detection Switch Circuit (W/ Theft Deterrent System) >> Circuit Description
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Circuit Description

The door unlock detection switch is built in the door lock motor assembly. This switch is ON when the door lock knob is in the unlock position and OFF when the lock knob is in the lock position. The ECU detects the door lock knob conditions is this circuit. It is used as one of the operating conditions for the theft deterrent system.