Mitsubishi Outlander (2013+). Manual - part 315

TROUBLESHOOTING

MULTIPOINT FUEL INJECTION (MPI)

13A-141

STEP 4. Check throttle body (throttle valve 
portion) contamination.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Throttle body (throttle valve area) cleaning 
(Refer to 

P.13A-179

).

STEP 5. Visual check of ignition spark.

• Remove the spark plug and install it to the ignition 

coil.

• Connect the ignition coil connector.

• Disconnect all injector connectors.

• At the engine start, check each spark plug pro-

duces a spark.

Q: Is the check result normal?

YES : 

Replace the engine-ECU.

NO : 

Check Inspection Procedure 

− ignition 

circuit system (Refer to 

P.13A-152

).

Inspection Procedure 12: The Feeling of Impact or Vibration when Decelerating

COMMENTS ON TROUBLE SYMPTOM

• Failure is possibly caused by an insufficient 

amount of intake air due to failed electronic-con-
trolled throttle valve system.

PROBABLE CAUSES

• Failed electronic control throttle valve system

• Contamination around the throttle valve

• Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III diagnosis code

Q: Is diagnosis code set?

YES : 

Inspection chart for diagnosis code (Refer 

to 

P.13A-23

).

NO : 

Go to Step 2.

STEP 2. M.U.T.-III data list

• Refer to Data List Reference Table 

P.13A-155

.

a. Item 11: Accelerator pedal position sensor 

(main)

b. Item 12: Accelerator pedal position sensor 

(sub)

c. Item 13: Throttle position sensor (main)

d. Item 15: Throttle position sensor (sub)

Q: Are the check results normal?

YES : 

Go to Step 3.

NO : 

Perform the diagnosis code classified check 
procedure for the sensor that has shown an 
abnormal data value (Refer to Inspection 
Chart for Diagnosis Code 

P.13A-23

).

STEP 3. Check throttle body (throttle valve 
portion) contamination.

Q: Is the check result normal?

YES : 

Replace the engine-ECU.

NO : 

Clean throttle body (throttle valve portion) 
(Refer to Throttle Body (Throttle Valve Area) 
Cleaning 

P.13A-179

).

Inspection Procedure 13: Knocking

COMMENTS ON TROUBLE SYMPTOM

• The failure could possibly be caused by the failed 

detonation control system, improper thermal 
value of the spark plug and so on.

PROBABLE CAUSES

• Failed detonation sensor

• Failed detonation control system

• Failed spark plug

• Failed ignition system

• Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III diagnosis code

Q: Is diagnosis code set?

TROUBLESHOOTING

MULTIPOINT FUEL INJECTION (MPI)

13A-142

YES : 

Inspection chart for diagnosis code (Refer 

to 

P.13A-23

).

NO : 

Go to Step 2.

STEP 2. Visual check of ignition spark.

• Remove the spark plug and install it to the ignition 

coil.

• Connect the ignition coil connector.

• Disconnect all injector connectors.

• At the engine start, check each spark plug pro-

duces a spark.

Q: Is the check result normal?

YES : 

Check detonation sensor system. Check 

code No.P0327: detonation sensor circuit 
low input (Refer to 

P.13A-77

). Check code 

No.P0328: detonation sensor circuit high 
Input (Refer to 

P.13A-78

).

NO : 

Check Inspection Procedure 

− ignition 

circuit system (Refer to 

P.13A-152

).

Inspection Procedure 14: Ignition Timing Deviation

COMMENTS ON TROUBLE SYMPTOM

• The failure could possibly be caused by the failed 

crank angle sensor, faulty inlet camshaft position 
sensor, improper assembled timing chain and so 
on.

PROBABLE CAUSES

• Failed crank angle sensor

• Failed inlet camshaft position sensor

• Timing chain in out of place

• Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III diagnosis code

Q: Is diagnosis code set?

YES : 

Inspection chart for diagnosis code (Refer 

to 

P.13A-23

).

NO : 

Go to Step 2.

STEP 2. Perform output wave pattern 
measurement at crank angle sensor and inlet 
camshaft position sensor (Using an 
oscilloscope).

<Crank angle sensor>

• Use the test harness (MB991709) to connect 

crank angle sensor connector, and measure at 
the pick-up harness.

• Engine: Idling

• Transmission: P range

• Voltage between terminal engine-ECU SGT line 

and body earth.

<Inlet camshaft position sensor>

• Use the test harness (MB991709) to connect inlet 

camshaft position sensor connector, and meas-
ure at pick-up harness.

• Engine: Idling

• Transmission: P range

• Voltage between terminal engine-ECU CPI line 

and body earth.

OK: The timings on the output wave pattern 
at the both sensors should be the same as 
the specification in the inspection procedure 
using an oscilloscope (Refer to 

P.13A-174

).

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Go to Step 4.

STEP 3. Check the trouble symptom.

Q: Does the trouble symptom persist?

YES : 

Replace the engine-ECU.

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Use 

Troubleshooting/Inspection Service Points 

− 

How to Cope with Intermittent Malfunctions 
).

TROUBLESHOOTING

MULTIPOINT FUEL INJECTION (MPI)

13A-143

STEP 4. Check crank angle sensor and inlet 
camshaft position sensor for correct mounting 
condition.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair.

STEP 5. Check timing mark on the timing chain.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Align the timing marks on timing chain.

STEP 6. Check inlet camshaft sensing portion.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Replace the inlet camshaft.

STEP 7. Replace the crank angle sensor.

• After replacing the crank angle sensor, re-check 

the trouble symptoms.

Q: Does the trouble symptom persist?

YES : 

Go to Step 8.

NO : 

Check end.

STEP 8. Replace the inlet camshaft position 
sensor.

Q: Does the trouble symptom persist?

YES : 

Go to Step 9.

NO : 

Check end.

STEP 9. Replace the crankshaft sensing ring.

• After replacing the crankshaft sensing ring, 

re-check the trouble symptoms.

Q: Does the trouble symptom persist?

YES : 

Replace the engine-ECU.

NO : 

Check end.

Inspection Procedure 15: Run On (Dieseling)

COMMENTS ON TROUBLE SYMPTOM

• Failure is possibly caused by leakage from injec-

tors.

PROBABLE CAUSES

• Failed injector

• Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. Check injector for its spray condition.

• Check each injector for spray condition (Refer to 

Injector Check 

P.13A-188

).

Q: Does the trouble symptom persist?

YES : 

Replace the engine-ECU.

NO : 

Replace the injector.

Inspection Procedure 16: Odour, White Smoke, Black Smoke and High-concentration of CO/HC 
during Idling

COMMENTS ON TROUBLE SYMPTOM

• The failure could possibly be caused by the 

improper air-fuel ratio, deteriorated catalyst, 
failed ignition system, defective fuel system, 
faulty compression pressure and so on.

PROBABLE CAUSES

• Failed air-fuel ratio control system

• Failed ignition system

• Failed fuel system

• Failed intake and exhaust air system

• Improper compression pressure

• Deteriorated catalyst

• Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III diagnosis code

Q: Is diagnosis code set?

YES : 

Inspection chart for diagnosis code (Refer 

to 

P.13A-23

).

NO : 

Go to Step 2.

STEP 2. Check injector for operating sound.

• Injector check (Refer to 

P.13A-188

).

Q: Is operating sound audible?

TROUBLESHOOTING

MULTIPOINT FUEL INJECTION (MPI)

13A-144

YES : 

Go to Step 3.

NO : 

Check the injector system of the defective 
cylinder. Check code No. P0261: No. 1 
injector circuit low input (Refer to 

P.13A-62

). 

Check code No. P0262: No. 1 injector circuit 
high input (Refer to 

P.13A-63

). Check code 

No. P0264: No. 2 injector circuit low input 
(Refer to 

P.13A-64

). Check code No. 

P0265: No. 2 injector circuit high input 
(Refer to 

P.13A-65

). Check code No. 

P0267: No. 3 injector circuit low input (Refer 
to 

P.13A-66

). Check code No. P0268: No. 3 

injector circuit high input (Refer to 

P.13A-67

). Check code No. P0270: No. 4 

injector circuit low input (Refer to 

P.13A-68

). 

Check code No. P0271: No. 4 injector circuit 
high input (Refer to 

P.13A-69

).

STEP 3. Check ignition timing.

• Check ignition timing (Refer to GROUP 11A − 

On-vehicle Service 

− Ignition Timing Check ).

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Check Inspection Procedure 

− ignition 

timing deviation (Refer to 

P.13A-142

).

STEP 4. M.U.T.-III data list

• Data list reference table (Refer to 

P.13A-155

).

a. Item 5: Intake air temperature sensor
b. Item 6: Engine coolant temperature sensor

c. Item 8: Manifold absolute pressure sensor

d. Item 10: Air flow sensor
e. Item BB: Barometric pressure sensor

Q: Are the check results normal?

YES : 

Go to Step 5.

NO : 

Perform the diagnosis code classified check 
procedure for the sensor that has shown an 
abnormal data value. Inspection chart for 
diagnosis code (Refer to 

P.13A-23

).

STEP 5. Check air intake from inlet hose and inlet 
manifold.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Repair.

STEP 6. Check exhaust leak from exhaust 
manifold.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair.

STEP 7. Check throttle body (throttle valve 
portion) contamination.

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Throttle body (throttle valve area) cleaning 
(Refer to 

P.13A-179

).

STEP 8. M.U.T.-III data list

• Data list reference table (Refer to 

P.13A-155

).

a. Item AC: Oxygen sensor (front)
b. Item AD: Oxygen sensor (rear) 

Q: Are the check results normal?

YES : 

Go to Step 9.

NO : 

Perform the diagnosis code classified check 
procedure for the sensor that has shown an 
abnormal data value. Inspection chart for 
diagnosis code (Refer to 

P.13A-23

).

STEP 9. Check purge control solenoid valve 
itself.

• Check purge control solenoid valve itself (Refer 

to GROUP 17

− Emission Control − Evaporative 

Emission Control System 

− Purge Control Sole-

noid Valve Check ).

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Replace the purge control solenoid valve.

STEP 10. Fuel pressure measurement.

• Fuel pressure test (Refer to 

P.13A-179

).

Q: Is the check result normal?

YES : 

Go to Step 11.

NO : 

Repair.

STEP 11. Check positive crankcase ventilation 
valve itself.

• Check positive crankcase ventilation valve itself 

(Refer to GROUP 17 

− Emission Control − Crank-

case Emission Control System 

− Positive Crank-

case Ventilation Valve Check ).

Q: Is the check result normal?

YES : 

Go to Step 12.

NO : 

Replace the positive crankcase ventilation 
valve.

STEP 12. Check spark plug.

• Check spark plug (Refer to GROUP 16 − Ignition 

System 

− On-vehicle service − Spark Plug Check 

and Cleaning ).

Q: Is the check result normal?