Mitsubishi Colt Ralliart. Manual — part 351
![](/vehicles/winoney/ama/flend/fru.png)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-148
Step 11. Check the wiring harness from A-12
front combination lamp (HEAD: LH) connector
terminal No.11 or A-25 front combination lamp
(HEAD: RH) connector terminal No.11 to B-122
headlamp relay (HI) connector terminal No.4.
NOTE:
Prior to the wiring harness inspection, check junction
block connector B-112, and repair if necessary.
• Check the output lines for open circuit.
Q: Is the check result normal?
YES :
Go to Step 12.
NO :
Repair the wiring harness.
Step 12. Retest the system.
(1) Replace the socket of the defective headlamp.
(2) Check that the headlamps illuminate normally.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Replace the front combination lamp.
AC509191
Connector: A-12
Harness side
AB
A-12 (B)
AC509176
Connector: A-25
Harness side
AC
A-25(B)
AC313870AE
Connector: B-122
Junction Block (Front view)
Harness side
AC313870
Connector: B-112
BE
Junction block (Front view)
Harness side
Main
Index
Group
TOC
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SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-149
INSPECTION PROCEDURE J-6: The high-beam indicator lamp does not illuminate.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the high beam indicator does not illuminate nor-
mally, connector(s), wiring harness in the CAN bus
lines, the ETACS-ECU or the combination meter may
be defective.
POSSIBLE CAUSES
• Malfunction of the combination meter
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. Check the headlamps.
When the lighting switch is operated, check that the
headlamps illuminate/go off normally.
Q: Are the headlamps in good condition?
YES :
Go to Step 2.
NO :
First, repair the headlamps. Refer to
Inspection Procedure J-3 "The high-beam
headlamps do not illuminate normally
."
Step 2. M.U.T.-III CAN bus diagnostics.
Use the M.U.T.-III to diagnose the CAN bus lines.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the CAN bus line (Refer to GROUP
54D, Diagnosis
Step 3. M.U.T.-III other system diagnosis code.
Check whether the combination meter-related diag-
nosis code is set.
Q: Is the diagnosis code set?
YES :
Diagnose the combination meter (Refer to
GROUP 54A
− Troubleshooting
NO :
Go to Step 4.
Step 4. M.U.T.-III actuator test
Perform the actuator test for the combination meter,
and check that the high-beam indicator illuminates
(Refer to GROUP 54A
− Combination Meter
Q: Is the check result normal?
YES :
Replace the ETACS-ECU.
NO :
Replace the combination meter.
INPUT SIGNAL
ETACS-ECU
DIMMER SWITCH
COMBINATION
METER
CAN COMMUNICATION LINE
(CAN_L LINE)
CAN COMMUNICATION LINE
(CAN_H LINE)
High-Beam Indicator Lamp Circuit
Main
Index
Group
TOC
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SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-150
INSPECTION PROCEDURE J-7: Any of tail lamps, position lamps or licence plate lamp does not
illuminate.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the tail lamps, the position lamps or the licence
plate lamps do not illuminate, the wiring harness con-
nector(s), the bulb or the fuse may be defective or
burned out.
POSSIBLE CAUSES
• Burned-out bulb
• Damaged harness wires and connectors
FRONT
COMBINATION
LAMP
(POSITION: LH)
REAR
COMBINATION
LAMP (TAIL: LH)
ETACS-ECU
LICENCE
PLATE
LAMP
FRONT
COMBINATION
LAMP
(POSITION: RH)
TAIL LAMP RELAY
REAR
COMBINATION
LAMP (TAIL: RH)
J/B SIDE
Tail Lamps, Position Lamps and Licence Plate Lamp Circuit
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple
Main
Index
Group
TOC
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SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-151
DIAGNOSTIC PROCEDURE
Step 1. Connector check: E-12 rear combination
lamp (tail: LH) connector or E-03 rear
combination lamp (tail: RH) connector, A-12 front
combination lamp (position: LH) connector or
A-25 front combination lamp (position: RH)
connector or E-07 licence plate lamp (LH)
connector
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the defective connector.
Step 2. Check the bulbs of the tail lamps, the
position lamps or the licence plate lamps.
Check the bulb of the lamp which does not illumi-
nate.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Replace the bulb of the lamp which does not
illuminate.
AC509191
Connector: A-12
Harness side
AB
A-12 (B)
AC509176
Connector: A-25
Harness side
AC
A-25(B)
AC401047
Connectors: E-03, E-07, E-12
Harness side
E-03
AB
E-03(B)
E-07
E-12(B)
Harness side
E-12
Harness side
E-07
Main
Index
Group
TOC
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