C1783
DTC C1783 DOOR COURTESY SWITCH CIRCUITCIRCUIT DESCRIPTION
DTC Detecting Condition:
The door courtesy switch assembly turns on when the door is opened and turns off when the door is closed. The signal is sent from the multiplex network body ECU into the DOOR terminal of the suspension control ECU when all the doors are open.
Wiring Diagram:
Step 1:
Step 2 - 3:
INSPECTION PROCEDURE