Mitsubishi Outlander (2003+). Manual — part 88
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-215
STEP 8. Connector check: B-110 and B-111
ignition coil connectors
Q: Is the check result normal?
YES :
Go to Step 9 .
NO :
Repair
STEP 9. Check ignition coil spark.
Q: Is the check result normal?
YES :
Go to Step 14 .
NO :
Go to Step 10 .
STEP 10. Check spark plug.
Q: Is the check result normal?
YES :
Go to Step 11 .
NO :
Replace spark plug.
STEP 11. Check spark plug cable itself.
Check spark plug cable itself (Refer to GROUP
16
-
Ignition System
-
On-vehicle Service
). Q: Is the check result normal? YES : Go to
NO :
Replace spark plug cable.
STEP 12. Check ignition coil itself.
Check ignition coil itself (Refer to GROUP 16
-
Ignition System
-
On-vehicle Service
Q: Is the check result normal?
YES :
Go to Step 13 .
NO :
Replace ignition coil.
STEP 13. Check harness between terminal No. 2
of ignition coil connector of each cylinder and
body earth.
Check earthing line for open circuit and damage.
Q: Is the check result normal?
YES :
Check and repair harness between terminal
No. 3 of ignition coil connector of each
cylinder and C-134 engine-ECU
Check signal line for open/short
circuit and damage.
NO :
Repair.
STEP 14. Check throttle body (throttle valve
portion) for contamination.
Q: Is the check result normal?
YES :
Go to Step 15 .
NO :
Clean throttle body (throttle valve portion)
(Refer to
).
STEP 15. Measure fuel pressure.
Measure fuel pressure (Refer to
Q: Is the check result normal?
YES :
Go to Step 16 .
NO :
Repair.
AK300308
1
2
3
AB
Harness side
connector
B-111 (GR)
B-110 (GR)
Connector: B-110, B-111
AK300308
1
2
3
AB
Harness side
connector
B-111 (GR)
B-110 (GR)
Connector: B-110, B-111
AK300257
1
14
4
19
5
22
6
17
8
15
9
18
7
20
16
2
13 12
23
24
25
26
21
3
10
11
AB
CONNECTOR: C-134
C-134
Harness side connector
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-216
STEP 16. Check compression pressure.
Check compression pressure (Refer to GROUP
11A
-
On-vehicle Service
Q: Is the check result normal?
YES :
Replace engine-ECU.
NO :
Repair.
Inspection Procedure 13. The Feeling of Impact or Vibration when Accelerating
COMMENT ON TROUBLE SYMPTOM
Failure is possibly caused by failed ignition leak
with rise in spark plug-required voltage at accel-
eration.
PROBABLE CAUSE
Failed ignition system
Failed engine-ECU
DIAGNOSIS PROCEDURE
STEP 1. MUT-II self-diag code
Q: Diagnosis code set?
YES :
Inspection chart for diagnosis code (Refer
).
NO :
Go to Step 2 .
STEP 2. Check connector: B-110 and B-111
ignition coil connectors
Q: Is the check result normal?
YES :
Go to Step 3 .
NO :
Repair.
STEP 3. Check ignition coil spark.
Q: Is the check result normal?
YES :
Replace engine-ECU.
NO :
Go to Step 4 .
STEP 4. Check spark plug.
Q: Is the check result normal?
YES :
Go to Step 5 .
NO :
Replace spark plug.
STEP 5. Check spark plug cable itself.
Check spark plug cable itself (Refer to GROUP
16
-
Ignition System
-
On-vehicle Service
Q: Is the check result normal?
YES :
Go to Step 6 .
NO :
Replace spark plug cable.
STEP 6. Check ignition coil itself.
Check ignition coil itself (Refer to GROUP 16
-
Ignition System
-
On-vehicle Service
).
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Replace ignition coil.
AK300308
1
2
3
AB
Harness side
connector
B-111 (GR)
B-110 (GR)
Connector: B-110, B-111
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-217
STEP 7. Check harness between terminal No. 2 of
ignition coil connector of each cylinder and body
earth.
Check earthing line for open circuit and damage.
Q: Is the check result normal?
YES :
Check and repair harness between terminal
3 of ignition coil connector of each cylinder
and C-134 engine-ECU
Check signal line for open/short
circuit and damage.
NO :
Repair.
Inspection Procedure 14: The feeling of impact or vibration when decelerating
COMMENT ON TROUBLE SYMPTOM
Failure is possibly caused by insufficient air
intake due to failed idle speed control system.
PROBABLE CAUSE
Failed idle speed control system
Throttle valve body fouled
Failed engine-ECU
DIAGNOSIS PROCEDURE
STEP 1. MUT-II self-diag code
Q: Diagnosis code set?
YES :
Inspection chart for diagnosis code (Refer
to
).
NO :
Go to Step 2 .
AK300308
1
2
3
AB
Harness side
connector
B-111 (GR)
B-110 (GR)
Connector: B-110, B-111
AK300257
1
14
4
19
5
22
6
17
8
15
9
18
7
20
16
2
13 12
23
24
25
26
21
3
10
11
AB
CONNECTOR: C-134
C-134
Harness side connector
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-218
STEP 2. Check idle speed control servo for
operating sound.
Check idle speed control servo for operating
sound (Refer to
).
Q: Is the check result normal?
YES :
Go to Step 3 .
NO :
Check idle speed control servo system
(Refer to Code No. P0505
).
STEP 3. MUT-II data list
Refer to Data list reference table
a. Item 14: Throttle position sensor
Q: Is the check result normal?
YES :
Go to Step 4 .
NO :
Check throttle position sensor system
(Refer to Code No. P0120
STEP 4. Check throttle body (throttle valve)
contamination.
Q: Is the check result normal?
YES :
Replace engine-ECU.
NO :
Clean throttle body (throttle valve portion)
(Refer to
Inspection Procedure 15: Knocking
COMMENT ON TROUBLE SYMPTOM
Failure is possibly caused by failed detonation
control, improper thermal value of spark plug or
other faults.
PROBABLE CAUSE
Defective detonation sensor
Failed detonation control system
Failed ignition system
Defective spark plug
Failed engine-ECU
DIAGNOSIS PROCEDURE
STEP 1. MUT-II self-diag code
Q: Diagnosis code set?
YES :
Inspection chart for diagnosis code (Refer
).
NO :
Go to Step 2 .
STEP 2. Connector check: B-110 and B-111
ignition coil connectors
Q: Is the check result normal?
YES :
Go to Step 3 .
NO :
Repair.
STEP 3. Check ignition coil spark.
Q: Is the check result normal?
YES :
Check detonation sensor (Refer to Code
No. P0325
NO :
Go to Step 4 .
STEP 4. Check spark plug.
Q: Is the check result normal?
YES :
Go to Step 5 .
NO :
Replace spark plug.
AK300308
1
2
3
AB
Harness side
connector
B-111 (GR)
B-110 (GR)
Connector: B-110, B-111
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