Mitsubishi Lancer Evolution IX. Manual — part 114
DIAGNOSTIC TROUBLE CODE PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-19
Step 5. Resistance measurement at the C-206
column switch connector
(1) Disconnect the column switch connector, and
measure at the wiring harness side.
(2) Resistance between C-206 column switch
connector terminal No.4 and body earth
OK: 2
Ω or less
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 6.
Step 6. Check the wiring harness between C-206
column switch connector terminal No.4 and the
body earth.
NOTE:
Prior to the wiring harness inspection, check joint
connector C-06, and repair if necessary.
• Check the earth wires for open circuit.
AC310479
AD
Connector: C-206 <LHD>
Harness side
AC310481AD
Connector: C-206 <RHD>
Harness side
AC310506AK
Connector C-206
(Harness side)
10
5
6
7
9 8
3
4
2 1
AC310479
AD
Connector: C-206 <LHD>
Harness side
AC310481AD
Connector: C-206 <RHD>
Harness side
AC310452
Connector: C-06 <LHD>
AB
C-06 (GR)
AC310456
Connector: C-06 <RHD>
AB
C-06 (GR)
DIAGNOSTIC TROUBLE CODE PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-20
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Repair the wiring harness.
Step 7. Connector check: C-228 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the defective connector.
Step 8. Check the wiring harness from C-228
ETACS-ECU connector terminal Nos.59 and 68 to
C-206 column switch connector terminal Nos.3
and 2.
AC310450
Connector: C-228 <LHD>
AC
Junction block (rear view)
C-228 (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
AC310461
Junction block (rear view)
Connector: C-228 <RHD>
AC
Harness side
C-228 (GR)
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
AC310479
AD
Connector: C-206 <LHD>
Harness side
AC310481AD
Connector: C-206 <RHD>
Harness side
AC310450
Connector: C-228 <LHD>
AC
Junction block (rear view)
C-228 (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
AC310461
Junction block (rear view)
Connector: C-228 <RHD>
AC
Harness side
C-228 (GR)
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
DIAGNOSTIC TROUBLE CODE PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-21
NOTE:
Prior to the wiring harness inspection, check joint
connector C-101, and repair if necessary.
• Check the communication lines for open circuit.
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Repair the wiring harness.
Step 9. Check whether the diagnosis code is
reset.
Replace the column switch, and then check that the
diagnosis code is not reset.
(1) Replace the column switch.
(2) Ignition switch: ON
(3) On completion, check that diagnosis code No.12
is not reset.
Q: Is diagnosis code No.12 set?
YES :
Replace the ETACS-ECU.
NO :
The procedure is complete.
AC310446
Connector: C-101 <LHD>
AW
C-101 (L)
AC310456
Connector: C-101 <RHD>
AQ
C-101 (L)
DIAGNOSTIC TROUBLE CODE PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-22
Diagnosis code 13: Trouble related to the front-ECU or improper connection to the ETACS-ECU
CAUTION
Whenever the ECU is replaced, ensure that the
power supply circuit, the earthing circuit and the
communication circuit are normal.
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
IGNITION
SWITCH (IG2)
ETACS-ECU
POWER
SOURCE
FRONT-ECU
BATTERY
RELAY
BOX
NOTE
: LHD
: RHD
Front-ECU Power Supply and SWS Communication Circuit
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