Mitsubishi Galant 9G. Manual - part 64
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-252
INSPECTION PROCEDURE F-3: Sunroof: Sunroof Timer Function does not Work Normally.
NOTE: This troubleshooting requires use of scan tool
MB991958 and SWS monitor kit MB991813. For
details of how to use the SWS monitor, refer to "How
to use SWS monitor
.
CIRCUIT OPERATION
• The sunroof timer function works according to the
signals from the following switches:
• Ignition switch (IG1): OFF
• Front door switch: OFF
• Vehicle condition
• Ignition switch: LOCK position
• Front door: Closed
• When the driver’s door is opened and closed
while the sunroof timer function is on, the sunroof
operative duration will be changed.
.
TECHNICAL DESCRIPTION (COMMENT)
Is the sunroof timer function does not work normally,
the input circuits from the switches described in
"CIRCUIT OPERATION", the sunroof motor assem-
bly, the ETACS-ECU or the SWS communication line
may be defective.
.
TROUBLESHOOTING HINTS
• The front door switch may be defective
• The sunroof motor assembly may be defective
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
DIAGNOSIS
Required Special Tools:
• MB991223: Test Harness Set
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: MUT-III USB Cable
• MB991910: MUT-III Main Harness A
• MB991813: SWS Monitor Kit
• MB991806: SWS Monitor Cartridge
• MB991812: SWS Monitor Harness (For Column-ECU)
• MB991822: Probe Harness
SUNROOF-ECU
SUNROOF MOTOR
ASSEMBLY
·
FRONT DOOR
SWITCH (LH)
· IGNITION SWITCH (IG1)
· SUNROOF ECU ACK
INPUT SIGNAL
Sunroof Timer Function