SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-420
INSPECTION PROCEDURE K-1: Interior Light: The dome light do not illuminate and go out normally.
NOTE: This troubleshooting procedure requires the
use of scan tool MB991958 and SWS monitor kit
MB991813. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor
P.54B-15
."
22
RELAY BOX
(FUSE )
NOTE
WITHOUT SUNROOF
WITH SUNROOF
JOINT
CONNECTOR
(1)
ETACS-
ECU
KEEP RELAY
·
ALL DOOR
SWITCH
·
FRONT
DOOR
SWITCH
· IGNITION
SWITCH (ACC)
· IGNITION
SWITCH (IG1)
·
INTERIOR LIGHT
LOADED SIGNAL
·
MAP LIGHT ASSEMBLY
· OVERHEAD CONSOLE
ASSEMBLY
·
REAR DOME LIGHT
·
TRUNK LIGHT
INTERIOR
LAMP CUT
BACK-UP
CIRCUIT
LOAD
DETERMINATION
CIRCUIT
INPUT SIGNAL
JUNCTION BLOCK SIDE
JUNCTION BLOCK
Interior Light Circuit