Mitsubishi 380. Manual — part 16
INPUT SIGNAL CHART
SIMPLIFIED WIRING SYSTEM (SWS)
54B-61
INPUT SIGNAL CHART
M1549024200501
SWS MONITOR
If a problem is found in the Data List inspection,
observe the table below.
SYMPTOM
INSPECTION
PROCEDURE
REFERENCE
PAGE
ETACS-ECU does not receive any signal from the ignition switch (ACC).
M-1
ETACS-ECU does not receive any signal from the ignition switch (IG1).
M-2
ETACS-ECU does not receive any signal from the fog lamp switch.
M-3
ETACS-ECU does not receive any signal from the front door switches.
M-4
Column switch
ETACS-ECU does not receive any signal from the tail
lamp switch.
M-5
ETACS-ECU does not receive any signal from the
headlamp switch.
ETACS-ECU does not receive any signal from the
passing lamp switch.
ETACS-ECU does not receive any signal from the
dimmer switch.
ETACS-ECU does not receive any signal from the
turn-signal lamp switch.
ETACS-ECU does not receive any signal from the
windshield mist wiper switch.
M-6
ETACS-ECU does not receive any signal from the
windshield intermittent wiper switch.
ETACS-ECU does not receive any signal from the
windshield low-speed wiper switch.
ETACS-ECU does not receive any signal from the
windshield high-speed wiper switch.
ETACS-ECU does not receive any signal from the
variable intermittent wiper control switch.
M-7
ETACS-ECU does not receive any signal from the
windshield washer switch.
M-6
Sunroof switch
ETACS-ECU does not receive any signal from the up,
open or close/down switch.
M-8
INPUT SIGNAL CHART
SIMPLIFIED WIRING SYSTEM (SWS)
54B-62
DIAGNOSTIC TOOL OR VOLTMETER
If a problem is found in the Pulse Check, observe the
table below.
SYMPTOM
INSPECTION
PROCEDURE
REFERENCE
PAGE
ETACS-ECU does not receive any signal from the key reminder switch.
N-1
ETACS-ECU does not receive any signal from the hazard warning lamp
switch.
N-2
ETACS-ECU does not receive any signal from any of the door switches.
N-3
ETACS-ECU does not receive any signal from the door lock key cylinder
switch.
N-4
ETACS-ECU does not receive any signal from the front door lock actuator. N-5
ETACS-ECU does not receive any signal from the door lock switch
(incorporated in the power window main switch and front power window
sub switch).
N-6
ETACS-ECU does not receive any signal from the trunk lid latch assembly. N-7
Transmitter
ETACS-ECU does not receive any signal from the lock,
unlock, trunk or panic switch.
N-8
ETACS-ECU does not receive any interior lamp loaded signal.
N-9
SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-63
SYMPTOM PROCEDURES
INSPECTION PROCEDURE A-1: Communication with the SWS Monitor Kit is not Possible.
.
TECHNICAL DESCRIPTION (COMMENT)
The SWS monitor kit may be connected improperly.
.
TROUBLESHOOTING HINTS
• The SWS monitor body (I/F cartridge) may be
defective
• The SWS monitor harness may be defective
• 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
• Refer to circuit diagrams GROUP-
• Refer to configuration diagrams GROUP-
DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
• MB991958: DIAGNOSTIC 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
52DB022A
CONNECTOR: C-211
54DB044A
C-219
C-218 (GR)
CONNECTORS: C-218, C-219
SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-64
STEP 1. Verify SWS monitor kit MB991813 for proper
connection.
Q: Is SWS monitor kit MB991813 connected with the
column switch properly?
YES : Go to Step 2.
NO : Connect SWS monitor kit MB991813 to the column
switch securely.
STEP 2. Verify the power supply circuit to the ETACS-ECU.
Q: Does the system communicate with diagnostic tool
MB991958 when the ignition switch is turned to the
"ON" position?
YES : Refer to Inspection Procedure A-3 "Communication
with the ETACS-ECU is not possible
."
NO : Go to Step 3.
STEP 3. Check ETACS-ECU connectors C-218 and C-219
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are ETACS-ECU connectors C-218 and C-219 in good
condition?
YES : Go to Step 4.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Verify that the system should communicate
with the SWS monitor normally.
54DB045A
CONNECTORS: C-218, C-219
JUNCTION BLOCK
(REAR VIEW)
C-219
C-218 (GR)
HARNESS SIDE
C-218
C-219
JUNCTION BLOCK SIDE
45
46
48 47
49
50
59
51
60
52
53
62
65
61
54
63
56
68
64
67 66
57
58
55
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