Mitsubishi Galant (2004+). Manual — part 297
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-379
JUNCTION BLOCK
ETACS-
ECU
BATTERY
IGNITION
SWITCH (IG1)
FRONT-ECU
RELAY
BOX
HAZARD WARNING
LIGHT SWITCH
RHEOSTAT
COLUMN
SWITCH
TURN-SIGNAL
SWITCH
COLUMN-ECU
DATA LINK
CONNECTOR
22
RELAY BOX
(FUSE )
RELAY BOX
(FUSE )
14
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-380
JUNCTION BLOCK
22
RELAY BOX
(FUSE )
ETACS-
ECU
FRONT COMBINATION
LIGHT (LH)
REAR COMBINATION
LIGHT (LH)
REAR COMBINATION
LIGHT (RH)
FRONT COMBINATION
LIGHT (RH)
IGNITION
SWITCH (IG1)
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-381
INSPECTION PROCEDURE I-1: Flasher Timer: Turn-signal lights do not flash when the turn-signal
light switch is turned on.
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
.
BATTERY
RELAY
BOX
ETACS-ECU
JUNCTION BLOCK
FRONT
COMBINATION
LIGHT (LH)
FRONT
COMBINATION
LIGHT (RH)
REAR
COMBINATION
LIGHT (LH)
REAR
COMBINATION
LIGHT (RH)
TURN-SIGNAL
LIGHT RELAY: LH
TURN-SIGNAL
LIGHT RELAY: RH
JUNCTION BLOCK SIDE
Turn-Signal Light Power Supply Circuit
AC305415
CONNECTORS: C-204, C-214
AQ
C-204
C-214
AC305413AB
CONNECTOR: C-219
JUNCTION BLOCK
(REAR VIEW)
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-382
CIRCUIT OPERATION
• The turn-signal light switch sends a signal
through the column-ECU (incorporated in the col-
umn switch) to the ETACS-ECU. If the col-
umn-ECU sends a turn-signal light switch "ON"
signal to the ETACS-ECU, the ETACS-ECU turns
on the flasher timer (incorporated in the
ETACS-ECU), thus causing the turn-signal lights
to flash.
• The ETACS-ECU operates the turn-signal lights
according to the following signals:
• Ignition switch (IG1): ON
• Turn-signal light switch: ON
• The ETACS-ECU flashes the turn-signal lights
under the following conditions:
• Ignition key: "ON" position
• Turn-signal light switch: Left or right turn-sig-
nal position
.
TECHNICAL DESCRIPTION (COMMENT)
If the turn-signal lights do not flash normally, the input
circuits from the switches described in "CIRCUIT
OPERATION" or the ETACS-ECU may be defective.
If the hazard warning lights do not flash, the power
supply line to the ETACS-ECU (dedicated to the
turn-signal lights) may be defective.
.
TROUBLESHOOTING HINTS
• Trouble in input signal system
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
• The ETACS-ECU may be defective
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
STEP 1. Check the hazard warning light.
Q: Do the hazard warning lights work normally?
YES : Go to Step 7.
NO : Go to Step 2.
STEP 2. Check the turn-signal lights.
Q: Does either of the turn-signal lights illuminate?
Only right or left side light does not illuminate. : Go to
Step 3.
Turn-signal lights do not illuminate at all : Go to Step 4.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст