Mitsubishi Galant (2004+). Manual — part 328
INPUT SIGNAL PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-503
STEP 10. Check ETACS-ECU connector C-218 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-218 in good condition?
YES : Go to Step 11.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
front door switch (RH) should be normal.
STEP 11. Check the wiring harness between front door
switch (RH) connector D-34 (terminal 1) and ETACS-ECU
connector C-218 (terminal 65).
AC305413AN
CONNECTOR: C-218
JUNCTION BLOCK
(REAR VIEW)
C-218 (GR)
HARNESS SIDE
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AC305413AN
CONNECTOR: C-218
JUNCTION BLOCK
(REAR VIEW)
C-218 (GR)
HARNESS SIDE
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AC305264
HARNESS SIDE
CONNECTOR: D-34
AJ
INPUT SIGNAL PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-504
NOTE: Also check intermediate connector C-13 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connector C-13 is damaged, repair or
replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between front door switch (RH)
connector D-34 (terminal 1) and ETACS-ECU connector
C-218 (terminal 65) in good condition?
YES : Replace the ETACS-ECU. If the functions described
in "CIRCUIT OPERATION" work normally, the input
signal from the front door switch (RH) should be
normal.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. If the
functions described in "CIRCUIT OPERATION" work
normally, the input signal from the front door switch
(RH) should be normal.
AC305233 AC
CONNECTOR: C-13
INPUT SIGNAL PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-505
INSPECTION PROCEDURE M-5: Column Switch: ETACS-ECU does not receive any signal from the
taillight switch, the headlight switch, the passing light switch, the dimmer switch or the turn-signal
light switch.
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
.
CIRCUIT OPERATION
The ETACS-ECU operates the following equipment
or functions according to signal from the column
switch (turn-signal light and lighting switch):
• Light reminder tone alarm function
• Turn-signal light buzzer
• Headlight
• Turn-signal light
• High-beam indicator
• Turn signal indicators
.
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the equipment or functions
described in "CIRCUIT OPERATION" do not work
normally. If the signal is not normal, the column
switch (turn-signal light and lighting switch) or the
ETACS-ECU may be defective.
.
TROUBLESHOOTING HINTS
• The column switch (turn-signal light and lighting
switch) may be defective
• The ETACS-ECU may be defective
Turn-signal Light and Lighting Switch Input Circuit
AC004262
INPUT SIGNAL PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-506
DIAGNOSIS
Required Special Tools:
• MB991223: 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
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