Mitsubishi Colt Ralliart. Manual — part 422
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-196
COMMENTS ON TROUBLE SYMPTOM
If the luggage compartment lamp do not illuminate,
the wiring harness connector(s), the bulb or the fuse
may be defective or burned out.
POSSIBLE CAUSES
• Malfunction of the luggage compartment lamp
• Damaged harness wires and connectors
Step 1. Check if the room lamp illuminates.
Check whether the room lamp illuminates normally.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure M-1 "The
interior lamps (room ramp, luggage
compartment lamp) does not illuminate or
extinguish normally
Step 2. Connector check: C-11 luggage
compartment lamp connector
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
Step 3. Check the bulb.
Check that the luggage compartment lamp bulb is
not blown.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the luggage compartment lamp
bulb.
Step 4. Check the luggage compartment lamp.
Check whether the luggage compartment lamp illu-
minates normally.
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Replace the luggage compartment lamp.
Step 5. Determine a trouble spot.
Q: Which switch position (DOOR or ON) does the
luggage compartment lamp illuminate at?
The lamp illuminates at neither the ON nor DOOR
position. :
Go to Step 6.
The lamp illuminates at the DOOR position. :
Go to
Step 7.
The lamp illuminates at the ON position. :
Go to
Step 9.
Step 6. Check the wiring harness from C-11
luggage compartment lamp connector terminal
No.3 to fusible link (1).
AC401059
Connector: C-11
Harness side
AD
3
1
2
AC401059
Connector: C-11
Harness side
AD
3
1
2
Main
Index
Group
TOC
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-197
NOTE:
Prior to the wiring harness inspection, check interme-
diate connector C-02 and junction block connector
B-108 and B-113 repair if necessary.
• Check the power supply line for open circuit.
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 :
Repair the wiring harness.
Step 7. Connector check: B-134 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 B-134
ETACS-ECU connector terminal No.18 to C-11
luggage compartment lamp connector terminal
No.1
AC401057
Connector: C-02
AD
AC313825 AB
Connectors: B-108, B-113
Junction Block (Front view)
B-113
B-108 (B)
Harness side
B-108
Harness side
B-113
AC313826
Connector: B-134
AG
Junction block side
Junction block (Rear view)
AC313826
Connector: B-134
AG
Junction block side
Junction block (Rear view)
AC401059
Connector: C-11
Harness side
AD
3
1
2
Main
Index
Group
TOC
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-198
NOTE:
Prior to the wiring harness inspection, check interme-
diate connector C-02 and junction block connector
B-113 repair if necessary.
• Check the input and output lines for open circuit.
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 :
Repair the wiring harness.
Step 9. Check the wiring harness from C-11
luggage compartment lamp connector terminal
No.2 to body earth.
NOTE:
Prior to the wiring harness inspection, check interme-
diate connector C-02 and junction block connector
B-113 and B-130 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
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Repair the wiring harness.
AC401057
Connector: C-02
AD
AC313824
Harness side
AB
Connector: B-113
Junction block (Front view)
AC401059
Connector: C-11
Harness side
AD
3
1
2
AC401057
Connector: C-02
AD
AC313824
Harness side
AB
Connector: B-113
Junction block (Front view)
AC313826
Harness side
AE
Connector: B-130
Junction block (Rear view)
Main
Index
Group
TOC
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-199
INSPECTION PROCEDURE M-4: The door-ajar warning lamp does not illuminate/extinguish normally.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the door-ajar warning lamp does not work normally,
the input signal circuit or the ETACS-ECU may be
defective.
POSSIBLE CAUSES
• Malfunction of the all door switches
• Malfunction of the combination meter
• Malfunction of the CAN bus line
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. 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 2.
NO :
Repair the CAN bus line (Refer to GROUP
54D, Diagnosis
).
Step 2. 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 Step3.
Step 3. ECU check by using the SWS monitor
Check that the power supply and earth lines to the
ETACS-ECU and the SWS communication lines are
normal.
• Ignition switch: OFF
ECU TO BE CHECKED
• ETACS ECU
OK: "OK" is displayed on the "ETACS ECU"
menu.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Refer to Inspection Procedure A-3
"Communication with the ETACS-ECU is
not possible
ETACS-
ECU
SPEED SIGNAL
COMBINATION
METER
CAN COMMUNICATION LINE
(CAN_L LINE)
CAN COMMUNICATION LINE
(CAN_H LINE)
INPUT SIGNAL
INPUT SIGNAL
· IGNITION SWITCH (IG1)
· ALL DOOR SWITCH
· TAILGATE SWITCH
Door-Ajar Warning Lamp Function
Main
Index
Group
TOC
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