C1783
DTC C1783 DOOR COURTESY SWITCH CIRCUITCIRCUIT DESCRIPTION
DTC Detecting Condition:
The door courtesy switch goes on when the door is opened and goes off when the door is closed.
The signal is entered from the body ECU No.1 into the CHS terminal of the suspension control ECU through the skid control ECU when all the doors and luggage compartment door is closed.
Step 1 - 2:
INSPECTION PROCEDURE