Mitsubishi Outlander XL. Manual — part 393

Q:Is the ignition timing normal?

YES:

Go to Step 6.

NO:

Check for installed conditions of the timing belt.

Then confirm that the malfunction symptom is eliminated.

STEP 6. Check the left bank injector resistance.

(1)

Disconnect the left bank injector connector B-115, B-116,
B-120.

ZK603186AA00

Injector side
connector

1 2

(2)

Measure the resistance between each injector side
connector terminal No. 1 and No. 2.

Standard value: 10.5 - 13.5 Ω [at 20°C (68°F)]

Q:Is the measured resistance between 10.5 and 13.5 ohms

[at 20°C (68°F)]?

YES:

Go to Step 7.

NO:

Replace the faulty injector. Then confirm that the

malfunction symptom is eliminated.

STEP 7. Check the right bank injector resistance at
intermediate connector B-21.

(1)

Disconnect the intermediate connector B-21.

ZK603187AA00

B-21
Injector side
connector

1

2

3

6

7

8

4

5

9 10

(2)

Measure the resistance between each male connector side
terminal.

a
.

Measure the resistance between terminal No. 6 and No. 7
at No. 1 cylinder injector.

b
.

Measure the resistance between terminal No. 6 and No. 8
at No. 3 cylinder injector.

c
.

Measure the resistance between terminal No. 6 and No. 9
at No. 5 cylinder injector.

｠

Resistance should be between 10.5 and 13.5 ohms [at 20°
C (68°F)].

Q:Is the measured resistance between 10.5 and 13.5 ohms

[at 20°C (68°F)]?

YES:

Go to Step 10.

NO:

Go to Step 8.

STEP 8. Check the right bank injector resistance.

(1)

Remove the intake manifold.

(2)

Disconnect the right bank injector connector, which deviates
from the standard value at Step 7.

ZK603186AA00

Injector side
connector

1 2

(3)

Measure the resistance between injector side connector
terminal No. 1 and No. 2.

Standard value: 10.5 - 13.5 Ω [at 20°C (68°F)]

Q:Is the measured resistance between 10.5 and 13.5 ohms

[at 20°C (68°F)]?

YES:

Go to Step 9.

NO:

Replace the injector. Then confirm that the

malfunction symptom is eliminated.

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-767

SYMPTOM PROCEDURES

STEP 9. Check harness connector B-101, B-103, B-104 at
right bank injector for damage.

(1)

Check the injector connector, which deviates from the
standard value at Step 7.

Q:Is the harness connector in good condition?

YES:

Repair harness wire between injector intermediate

connector and right bank injector connector because of
harness damage. Then confirm that the malfunction symptom
is eliminated.

NO:

Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection P.00E-2. Then confirm that the
malfunction symptom is eliminated.

STEP 10. Check harness connector B-21 at intermediate
connector for damage.

Q:Is the harness connector in good condition?

YES:

Go to Step 11.

NO:

Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection P.00E-2. Then confirm that the
malfunction symptom is eliminated.

STEP 11. Check harness connector B-115, B-116, B-120 at
left bank injector for damage.

Q:Is the harness connector in good condition?

YES:

Go to Step 12.

NO:

Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection P.00E-2.Then confirm that the
malfunction symptom is eliminated.

STEP 12. Check for harness damage between injector
connector and ECM connector.

(1)

Disconnect the injector connector and ECM connector.

13Ab-768

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

SYMPTOM PROCEDURES

B-101, B-103, B-104,
B-115, B-116,B-120
harness connector:
component side

ZK603188AA00

B-10 Harness
connector:
component side

M

1

2

16

15 14 13 12 11 10 9 8 7 6 5 4 3

2

1

32

31 30 29 28 27 26 25 24 23 22 21 20 19 18

17

48

47 46 45 44 43 42 41 40 39 38 37 36 35 34

33

64

63 62 61 60 59 58 57 56 55 54 53 52 51 50

49

(2)

Measure the resistance between injector connector and ECM
connector.

a
.

Injector connector B-101 (terminal No. 2) and ECM
connector B-10 (terminal No. 2) at No. 1 cylinder injector.

b
.

Injector connector B-120 (terminal No. 2) and ECM
connector B-10 (terminal No. 3) at No. 2 cylinder injector.

c
.

Injector connector B-103 (terminal No. 2) and ECM
connector B-10 (terminal No. 18) at No. 3 cylinder injector.

d
.

Injector connector B-116 (terminal No. 2) and ECM
connector B-10 (terminal No. 19) at No. 4 cylinder injector.

e
.

Injector connector B-104 (terminal No. 2) and ECM
connector B-10 (terminal No. 50) at No. 5 cylinder injector.

f
.

Injector connector B-115 (terminal No. 2) and ECM
connector B-10 (terminal No. 51) at No. 6 cylinder injector.

Q:Is the measured resistance less than 2 ohms?

YES:

Go to Step 13.

NO:

Repair it. Then confirm that the malfunction symptom

is eliminated.

STEP 13. Check the ignition timing.

(1)

Check the ignition timing at cranking.

Standard value: 5° BTDC ± 3°

Q:Is the ignition timing normal?

YES:

Go to Step 14.

NO:

Check for installed conditions of the timing belt.

Then confirm that the malfunction symptom is eliminated.

STEP 14. 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 15.

STEP 15. 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 16.

STEP 16. Check the compression pressure.
Refer to GROUP 11A, On-vehicle service - Compression
Pressure Check P.11A-17.

Q:Is the compression pressure normal?

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-769

SYMPTOM PROCEDURES

YES:

Check the following items, and repair or replace the

defective items.

a
.

Check fuel lines for clogging.

b
.

Check if fuel is contaminated.

c
.

Check if the injectors are clogged.

Then confirm that the malfunction symptom is eliminated.

NO:

Repair it. Then confirm that the malfunction symptom

is eliminated.

INSPECTION PROCEDURE 6: Hard Starting

M11310100283USA0000010000

COMMENT

｠

In cases such as the above, the cause is usually
either weak spark, improper air-fuel mixture or low
compression.

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

｠

Malfunction of the fuel pump system.

｠

Malfunction of the ignition system.

｠

Malfunction of the injector system.

｠

Poor compression

｠

Malfunction of the EGR system

｠

Contaminated fuel.

｠

Malfunction of the ECM.

DIAGNOSIS

Required Special Tools:

｠

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

｠

MB991824: V.C.I.

｠

MB991827: USB Cable

｠

MB991910: Main Harness A

STEP 1. Check if the EGR valve sounds during initialization.

Q:Is the initialization sound heard in the EGR valve?

YES:

Go to Step 2.

NO:

Refer to GROUP 17, Emission Control - EGR Valve

(Stepper Motor) Check P.17c-14.

13Ab-770

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

SYMPTOM PROCEDURES