Mitsubishi Grandis. Manual — part 775

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI)

13A-351

STEP 9. Connector check: C-110 engine-ECU
<M/T> connector or engine-A/T-ECU <A/T>
connector

Q: Is the check result normal?

YES :

Go to Step 10 .

NO :

Repair or replace.

STEP 10. Check harness between B-16X
(terminal No. 2) A/C compressor relay connector
and C-110 (terminal No. 8) engine-ECU <M/T>
connector or engine-A/T-ECU <A/T> connector.

• Check earthing line for open/short circuit.

Q: Is the check result normal?

YES :

Go to Step 11 .

NO :

Repair.

AK305618AB

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Connector: C-110

<L.H. drive vehicles>

<R.H. drive vehicles>

C-110 (GR)

C-110 (GR)

Harness side connector

AK301005

2

1

3

4

AC

B-16X

Connector: B-16X

Harness side
connector

Relay box’s
Triangle marks

AK305618AB

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Connector: C-110

<L.H. drive vehicles>

<R.H. drive vehicles>

C-110 (GR)

C-110 (GR)

Harness side connector

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI)

13A-352

STEP 11. MUT-III data list

• Refer to Data List Reference Table

P.13A-363

a. Item 49: A/C relay

1. Engine: Idling
2. A/C set temperature:

Maximum Cool when temperature in cabin is

25

°C or more

Maximum Hot when temperature in cabin is

25

°C or less

OK:

ON (when A/C is ON)
OFF (when A/C is OFF)

Q: Is the check result normal?

YES :

Intermittent malfunction (Refer to GROUP

00

− How to Use

Troubleshooting/Inspection Service Points

P.00-5

).

NO :

Replace engine-ECU <M/T> or
engine-A/T-ECU <A/T>.

STEP 12. Connector check: C-110 engine-ECU
<M/T> connector or engine-A/T-ECU <A/T>
connector

Q: Is the check result normal?

YES :

Go to Step 13 .

NO :

Repair or replace.

STEP 13. Check harness between B-16X
(terminal No. 2) A/C compressor relay connector
and C-110 (terminal No. 8) engine-ECU <M/T>
connector or engine-A/T-ECU <A/T> connector.

• Check earthing line for damage.

Q: Is the check result normal?

YES :

Go to Step 14 .

NO :

Repair.

AK305618AB

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26

27

Connector: C-110

<L.H. drive vehicles>

<R.H. drive vehicles>

C-110 (GR)

C-110 (GR)

Harness side connector

AK301005

2

1

3

4

AC

B-16X

Connector: B-16X

Harness side
connector

Relay box’s
Triangle marks

AK305618AB

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26

27

Connector: C-110

<L.H. drive vehicles>

<R.H. drive vehicles>

C-110 (GR)

C-110 (GR)

Harness side connector

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI)

13A-353

STEP 14. Connector check: C-307 ignition switch
connector

Q: Is the check result normal?

YES :

Go to Step 15 .

NO :

Repair or replace.

STEP 15. Check harness between C-307 (terminal
No. 4) ignition switch connector and B-16X
(terminal No. 3) A/C compressor relay connector.

NOTE: Before checking harness, check intermediate
connectors C-17, C-31

*1

,C-01

*2

, C-205,and C-202

and repair if necessary.

• Check power supply line for damage.

Q: Is the check result normal?

YES :

Go to Step 16 .

NO :

Repair.

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6

AK305629

C-307

C-307

Connector: C-307

Harness side connector

<R.H.drive vehicle>

<L.H.drive vehicle>

AB

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6

AK305629

C-307

C-307

Connector: C-307

Harness side connector

<R.H.drive vehicle>

<L.H.drive vehicle>

AB

AK301005

2

1

3

4

AC

B-16X

Connector: B-16X

Harness side
connector

Relay box’s
Triangle marks

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI)

13A-354

STEP 16. Check harness between battery and
B-16X (terminal No. 4) A/C compressor relay
connector.

NOTE: Before checking harness, check intermediate
connector A-16, and repair if necessary.

• Check power supply line for damage.

Q: Is the check result normal?

YES :

Go to Step 17 .

NO :

Repair.

STEP 17. Check harness between B-16X
(terminal No. 1) A/C compressor relay connector
and B-120 (terminal No. 1) A/C compressor
assembly connector.

• Check output line for damage.

Q: Is the check result normal?

YES :

Replace A/C compressor magnet clutch.

NO :

Repair.

AK301005

2

1

3

4

AC

B-16X

Connector: B-16X

Harness side
connector

Relay box’s
Triangle marks

AK301005

2

1

3

4

AC

B-16X

Connector: B-16X

Harness side
connector

Relay box’s
Triangle marks

1

AK305637AB

B-120 (B)

Connector: B-120

Harness side connector

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Текст

Политика конфиденциальности