C1783

C1783 / 83 - Door Courtesy Switch Circuit

DTC Detecting Condition:

CIRCUIT DESCRIPTION
The door courtesy switch comes on when the door is opened and goes off when the door is closed.

Therefore, battery positive voltage is applied to the terminal DOOR of the ECU when all the doors are closed and 0 V is applied when even one door is opened.

Wiring Diagram:

Step 1:

Steps 2 - 3:

INSPECTION PROCEDURE