Mitsubishi L200. Manual — part 154
TROUBLESHOOTING
DIESEL FUEL
13A-412
STEP 5. Connector check: C-105 engine-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 6 .
NO :
Repair or replace the connector.
STEP 6. Check harness between A-148 (terminal
No. 3) exhaust differential pressure sensor
connector and C-105 (terminal No. 94) engine-
ECU connector.
• Check power supply line for short circuit.
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Repair the damaged harness wire.
STEP 7. M.U.T.-III data list
• Refer to Data List Reference Table
.
a. Item 120: exhaust differential pressure sensor
Q: Is the check result normal?
AKA00089
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C-105 (B)
C-105 (B)
<R.H. drive vehicles>
Harness side connector
<L.H. drive vehicles>
Connector: C-105
AB
AKB00281
3 2 1
AB
A-148 (B)
Harness side
connector
Connector: A-148
AKA00089
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C-105 (B)
C-105 (B)
<R.H. drive vehicles>
Harness side connector
<L.H. drive vehicles>
Connector: C-105
AB
TROUBLESHOOTING
DIESEL FUEL
13A-413
YES :
Intermittent malfunction (Refer to GROUP
00
− How to Use Troubleshooting/
Inspection Service Points
− How to Cope
with Intermittent Malfunctions ).
NO :
Replace the engine-ECU. When the engine-
ECU is replaced, write the chassis number
(Refer to GROUP 00
− Precautions Before
Service
− How to Perform Chassis Number
Writing ). After replacing the engine-ECU,
register the injector identification code and
learn fuel injection (Refer to GROUP 00
−
Precautions Before Service
− What The
Common Rail Engine Learns ). After
registering the injector identification code,
carry out the forcible DPF regeneration.
(Refer to GROUP 17
− Emission Control −
Diesel Particulate Filter (DPF) System
−
Forcible DPF Regeneration ).
STEP 8. Connector check: C-105 engine-ECU
connector
Q: Is the check result normal?
YES :
Check and repair harness between A-148
(terminal No. 3) exhaust differential
pressure sensor connector and C-105
(terminal No. 94) engine-ECU connector.
• Check power supply line for open
circuit.
NO :
Repair or replace the connector.
AKA00089
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96
C-105 (B)
C-105 (B)
<R.H. drive vehicles>
Harness side connector
<L.H. drive vehicles>
Connector: C-105
AB
AKB00281
3 2 1
AB
A-148 (B)
Harness side
connector
Connector: A-148
TROUBLESHOOTING
DIESEL FUEL
13A-414
STEP 9. Connector check: C-105 engine-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 10 .
NO :
Repair or replace the connector.
STEP 10. Check harness between A-148 (terminal
No. 3) exhaust differential pressure sensor
connector and C-105 (terminal No. 94) engine-
ECU connector.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 11 .
NO :
Repair the damaged harness wire.
AKA00089
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90
91
92
93
94
95
96
C-105 (B)
C-105 (B)
<R.H. drive vehicles>
Harness side connector
<L.H. drive vehicles>
Connector: C-105
AB
AKB00281
3 2 1
AB
A-148 (B)
Harness side
connector
Connector: A-148
AKA00089
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90
91
92
93
94
95
96
C-105 (B)
C-105 (B)
<R.H. drive vehicles>
Harness side connector
<L.H. drive vehicles>
Connector: C-105
AB
TROUBLESHOOTING
DIESEL FUEL
13A-415
STEP 11. Check harness between A-148 (terminal
No. 1) exhaust differential pressure sensor
connector and C-105 (terminal No. 56) engine-
ECU connector.
• Check output line for open/short circuit and dam-
age.
Q: Is the check result normal?
YES :
Go to Step 12 .
NO :
Repair the damaged harness wire.
STEP 12. Replace the exhaust differential
pressure sensor
• After replacing the exhaust differential pressure
sensor, carry out the forcible DPF regeneration.
(Refer to GROUP 17
− Emission Control − Diesel
Particulate Filter (DPF) System
− Forcible DPF
Regeneration ). After carrying out the forcible
DPF regeneration, re-check the trouble symp-
toms.
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Check end.
AKB00281
3 2 1
AB
A-148 (B)
Harness side
connector
Connector: A-148
AKA00089
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95
96
C-105 (B)
C-105 (B)
<R.H. drive vehicles>
Harness side connector
<L.H. drive vehicles>
Connector: C-105
AB
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