Test D: Door Position Switch Circuit

The door position switch is built into the door lock motor assembly. The switch is OFF when the door lock knob is in lock position, and is ON when the knob is in UNLOCK position. Furthermore, the door position switch circuit has terminal +B connected inside the theft deterrent ECU, When the door position switch is OFF, battery voltage is applied to the terminal of the door position switch circuit of the wireless door lock ECU.

Fig 1: Door Position Switch Circuit Diagnostic

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Fig 2: Door Position Switch Circuit Test

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