Mitsubishi Outlander XL. Manual - part 402

NO:

 Repair or replace it. Then confirm that the

malfunction symptom is eliminated.

STEP 10. Check harness connector B-25, B-26, B-29 at the
left bank injector for damage.
Refer to Fuel Pressure Test P.13Aa-17.

Q:Is the fuel pressure normal?

YES:

 Go to Step 11.

NO:

 Repair or replace it. Then confirm that the

malfunction symptom is eliminated.

STEP 11. Check the spark plugs.
Refer  to  GROUP  16,  Ignition  System  -  On-vehicle  service  -
Spark Plug Check P.16c-4.

Q:Are there any abnormalities?

YES:

 Replace the spark plug. Then confirm that the

malfunction symptom is eliminated.

NO:

 Go to Step 12.

STEP 12. Check the ignition coil.

(1)

Remove the intake manifold.

(2)

Refer to GROUP 16, Ignition System - On-vehicle service -
Ignition Coil Check P.16c-3.

Q:Are there any abnormalities?

YES:

 Replace the ignition coil. Then confirm that the

malfunction symptom is eliminated.

NO:

 Go to Step 13.

STEP 13. Check the compression pressure.
Refer  to  GROUP  11A,  On-vehicle  service  -  Compression
Pressure Check P.11A-17.

Q:Is the compression pressure normal?

YES:

 Go to Step 14.

NO:

 Repair it. Then confirm that the malfunction symptom

is eliminated.

STEP 14. Check the positive crankcase ventilation valve.
Refer  to  GROUP  17,  Emission  Control  System  -  Positive
Crankcase Ventilation Check P.17c-8.

Q:Is the positive crankcase ventilation valve?

YES:

 Go to Step 15.

NO:

 Repair it. Then confirm that the malfunction symptom

is eliminated.

STEP 15. Check the purge control system.
Refer to GROUP 17, Emission Control System - Purge Control
System Check (Purge Flow Check) P.17c-11.

Q:Is the purge control system normal?

YES:

 Check the following items, and repair or replace the

defective items.

a
.

Check if the injectors are clogged.

Then confirm that the malfunction symptom is eliminated.

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-803

SYMPTOM PROCEDURES

NO:

 Repair it. Then confirm that the malfunction symptom

is eliminated.

STEP 16. Check the following items.

(1)

Check the following items.

a
.

Check the injectors for fuel leakage.

Q:Are there any abnormalities?

YES:

 Replace it. Then confirm that the malfunction

symptom is eliminated.Then confirm that the malfunction
symptom is eliminated.

NO:

 Replace the catalytic converter. Then confirm that

the malfunction symptom is eliminated.

INSPECTION PROCEDURE 19: Purge Flow Test of the Evaporative Emission Canister
Failure.

M11310100300USA0000010000

COMMENT

｠

The test fails when the purge line or purge port is
clogged  or  if  the  evaporative  emission  purge
solenoid fails.

TROUBLESHOOTING HINTS (The most likely
causes for this case:)

｠

Purge line or purge port is clogged.

｠

Malfunction  of  the  evaporative  emission  purge
solenoid.

｠

Evaporative emission canister is clogged.

 

DIAGNOSIS

Required Special Tools:

｠

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

｠

MB991824: V.C.I.

｠

MB991827: USB Cable

｠

MB991910: Main Harness A

13Ab-804

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

SYMPTOM PROCEDURES

STEP 1. Using scan tool MB991958, read the diagnostic
trouble code (DTC).

ZC501967

AC404789

ZC5019680000

MB991824

MB991827

MB991910

Data link

connector

To prevent damage to scan tool MB991958, always turn the
ignition  switch  to  the  "LOCK"  (OFF)  position  before
connecting or disconnecting scan tool MB991958.

(1)

Connect scan tool MB991958 to the data link connector.

(2)

Turn the ignition switch to the "ON" position.

(3)

Read the DTC.

(4)

Turn the ignition switch to the "LOCK" (OFF) position.

Q:Is any DTC set?

YES:

 Refer to Diagnostic Trouble Code Chart P.13Ab-44.

NO:

 Refer to GROUP 17, Emission Control System - Purge

Control System Check (Purge Flow Check) P.17c-11.

INSPECTION PROCEDURE 20: Pressure Test of the Evaporative System Failure

M11310100301USA0000010000

COMMENT

｠

The test fails if there is a leak from the fuel tank or
vapor line.

TROUBLESHOOTING HINTS (The most likely
causes for this case:)

｠

Loose fuel tank filler tube cap.

｠

Broken  seal  in  fuel  tank,  vapor  line  evaporative
emission canister.

 

DIAGNOSIS

STEP 1. Check the evaporative emission purge solenoid.
Refer  to  GROUP  17,  Emission  Control  System  -  Evaporative
Emission Purge Solenoid Check P.17c-12.

Q:Is the evaporative emission purge solenoid normal?

YES:

 Go to Step 2.

NO:

 Repair or replace it. Then confirm that the

malfunction symptom is eliminated.

STEP 2. Check the evaporative emission ventilation
solenoid.
Refer  to  GROUP  17,  Emission  Control  System  -  Evaporative
Emission Ventilation Solenoid Check P.17c-19.

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-805

SYMPTOM PROCEDURES

Q:Is the evaporative emission ventilation solenoid normal?

YES:

 Check the following items, and repair or replace the

defective items.

a
.

Check for leaks from the vapor line or evaporative emission
canister.

b
.

Check for leaks from the fuel tank.

Then confirm that the malfunction symptom is eliminated.

NO:

 Repair or replace it. Then confirm that the

malfunction symptom is eliminated.

13Ab-806

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

SYMPTOM PROCEDURES