Mitsubishi Galant 9G. Manual — part 18
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-68
STEP 5. Check the wiring harness between ETACS-ECU
connector C-218 (terminal 56) or ETACS-ECU connector
C-219 (terminal 3) and ground.
NOTE: Also check junction block connector C-211 for loose,
corroded, or damaged terminals, or terminals pushed back in
the connector. If junction block connector C-211 is damaged,
repair or replace the damaged component(s) as described in
GROUP 00E, Harness Connector Inspection
Q: Is the wiring harness between ETACS-ECU connector
C-218 (terminal 56) or ETACS-ECU connector C-219
(terminal 3) and ground in good condition?
YES : No action is necessary and testing is complete.
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. Verify that
the system should communicate with the SWS
monitor kit normally.
AC305414
CONNECTORS: C-218, C-219
JUNCTION BLOCK
(REAR VIEW)
C-219
C-218 (GR)
HARNESS SIDE
C-218
C-219
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
JUNCTION BLOCK SIDE
AC
AC305415AH
CONNECTOR: C-211
C-211
HARNESS SIDE
JUNCTION BLOCK
(FRONT VIEW)
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-69
STEP 6. Check data link connector C-125 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is data link connector C-125 in good condition?
YES : Go to Step 7.
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 kit normally.
STEP 7. Check the wiring harness between ETACS-ECU
connector C-218 (terminals 51, 59 and 67) and data link
connector C-125 (terminals 9, 3 and 1).
AC305231BR
CONNECTOR:C-125
C-125 (B)
FRONT SIDE
AC305232
CONNECTOR: C-03, C-125
C-03
C-125(B)
C-03
C-125
AN
FRONT SIDE
AC305413AN
CONNECTOR: C-218
JUNCTION BLOCK
(REAR VIEW)
C-218 (GR)
HARNESS SIDE
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-70
NOTE: Also check joint connector C-03 for loose, corroded, or
damaged terminals, or terminals pushed back in the connector.
If joint connector C-03 is damaged, repair or replace the con-
nector as described in GROUP 00E, Harness Connector
Inspection
.
Q: Is the wiring harness between ETACS-ECU connector
C-218 (terminals 51, 59 and 67) and data link connector
C-125 (terminals 9, 3 and 1) in good condition?
YES : Replace the ETACS-ECU. The system should
communicate with the SWS monitor kit normally.
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. Verify that
the system should communicate with the SWS
monitor kit normally.
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-71
INSPECTION PROCEDURE A-2: Communication with the Column Switch (column-ECU) is not
Possible.
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
RELAY
BOX
BATTERY
IGNITION
SWITCH (IG1)
COLUMN
SWITCH
COLUMN -ECU
ETACS-ECU
Column Switch Power Supply and SWS Communication Circuit
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