BE/Body Electrical Systems — Door Courtesy Switch Circuit, page 147

BE-147
BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

Door Courtesy Switch Circuit

CIRCUIT DESCRIPTION

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

WIRING DIAGRAM

T9
Theft Deterrent and
Door Lock ECU

12 V

Door Courtesy
Switch LH
W-B  2  3  R-B  15  IC2  R-B  3  IF2  R-B  DSWD
                                                    7
BI

12 V

Door Courtesy
Switch RH
W-B  2  3  R-L        4  IF3  R-L  DSWP
                                        19
IG

N06666

INSPECTION PROCEDURE

1  Check operation of open door warning light.

C  Check that open door warning light comes on when each door is opened, and goes off when all
   doors are closed.

OK                          NG  Check and repair open door warning light circuit

2  Check for open in harness and connector between theft deterrent and door
   lock ECU and door courtesy switch (See page IN-30).

NG                          OK  Check and replace theft deterrent ECU. *1.

Repair or replace harness or connector.

*1: When there is a malfunction that the theft
    deterrent system cannot be set, proceed to
    the next numbered circuit inspection shown
    on matrix chart (See page BE-123).