Mitsubishi Lancer Evolution IX. Manual — part 175
![](/vehicles/winoney/wruvea/ger/flir.png)
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-263
Step 4. Check the wiring harness between C-03
hazard warning lamp switch connector terminal
No.2 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.
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 5. Connector check: C-228 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
AC310446
Connector: C-03
<LHD>
AG
Harness side
AC310454
Connector: C-03
<RHD>
AG
Harness side
AC310452
AE
C-06 (GR)
Connector: C-06 <LHD>
AC310456
Connector: C-06
<RHD>
AG
Harness side
AC310450
Connector: C-228
AH
Junction block
(rear view)
Harness side
<LHD>
51
52
53
54
55
56
57
58
59
58 5756 55 54 53 52 51 60
74 7372
71 70 69
AC310461
Harness side
Junction block (rear view)
Connector: C-228
AG
<RHD>
51
52
53
54
55
56
57
58
59
58 5756 55 54 53 52 51 60
74 7372
71 70 69
![](/vehicles/winoney/wruvea/ger/thenhe.png)
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-264
Step 6. Check the wiring harness between C-228
ETACS-ECU connector terminal No.55 and C-03
hazard warning lamp switch connector terminal
No.1.
• Check the input line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
Step 7. Retest the system.
Check that the hazard warning lamp switch signal is
received normally.
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 :
Replace the ETACS-ECU.
AC310446
Connector: C-03
<LHD>
AG
Harness side
AC310454
Connector: C-03
<RHD>
AG
Harness side
AC310450
Connector: C-228
AH
Junction block
(rear view)
Harness side
<LHD>
51
52
53
54
55
56
57
58
59
58 5756 55 54 53 52 51 60
74 7372
71 70 69
AC310461
Harness side
Junction block (rear view)
Connector: C-228
AG
<RHD>
51
52
53
54
55
56
57
58
59
58 5756 55 54 53 52 51 60
74 7372
71 70 69
![](/vehicles/winoney/wruvea/ger/dourond.png)
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-265
INSPECTION PROCEDURE L-10: All the door switch signals are not received. <LH drive vehicles>
CAUTION
Whenever the ECU is replaced, ensure that the
input signal circuit is normal.
COMMENTS ON TROUBLE SYMPTOM
Input signals from all the door switches are used to
operate the functions below. If the signal(s) are
abnormal, these functions will not work normally.
• Keyless entry system
• Room lamps
POSSIBLE CAUSES
• Malfunction of the door switches
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSTIC PROCEDURE
Step 1. Pulse check
Check the input signal from the door switch (front:
LH).
OK: The M.U.T.-II/III sounds or the voltmeter
needle fluctuates.
ETACS-ECU
DOOR
SWITCH
(FRONT: RH)
DOOR
SWITCH
(REAR: RH)
DOOR
SWITCH
(REAR: LH)
DOOR
SWITCH
(FRONT: LH)
J/B SIDE
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
All Door Switches Input Circuit <LHD>
System switch
Check condition
door switch (front: LH)
When the driver's door is
opened
![](/vehicles/winoney/wruvea/ger/klone.png)
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-266
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to inspection procedure L-3 "The door
switch (front: LH) signal is not received
."
Step 2. Connector check: D-18 <front: LH>, D-01
<front: RH>, D-08 <rear: RH> or D-11 <rear: LH>
door switch connectors, and C-226 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
Step 3. Check the installation condition.
Check that the door switch is installed on the body
correctly.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Correct the installation condition.
Step 4. Check the door switch.
Refer to GROUP 42
− Door
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Replace the door switch.
Step 5. Check the wiring harness from terminal
No.2 of the D-18 <front: LH>, D-01 <front: RH>,
D-08 <rear: RH> or D-11 <rear: LH> door switch
connector to terminal No.7 of the C-226
ETACS-ECU connector.
AC310450
Connector: C-226
AB
Junction block side
Junction block (rear view)
<LHD>
AC310463
<LHD>
AC
Harness side
Harness side
D-01
D-08
D-01
Connectors: D-01, D-08
D-08
AC310465
Harness side
D-11
D-11
AD
Connectors: D-11, D-18
<LHD>
Harness side
D-18
D-18
AC310450
Connector: C-226
AB
Junction block side
Junction block (rear view)
<LHD>
AC310463
<LHD>
AC
Harness side
Harness side
D-01
D-08
D-01
Connectors: D-01, D-08
D-08
AC310465
Harness side
D-11
D-11
AD
Connectors: D-11, D-18
<LHD>
Harness side
D-18
D-18
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