Mitsubishi Outlander GS45X. Manual - part 907

 

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Mitsubishi Outlander GS45X. Manual - part 907

 

 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-561

STEP 1. Check fuel gauge.
Q: Is the fuel gauge functioning?

YES : Go to Step 2.
NO :  Refer to GROUP 54A, Combination Meter 

− Trouble 

Symptom Chart 

P.54A-69

.

STEP 2. Check the trouble symptoms.
(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 22 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q:  Is DTC P0462 set?

YES : Replace the ECM. When the ECM is replaced, 

register the ID code. Refer to GROUP 42B, Diagnosis 
− ID Codes Registration Judgment Table <Vehicles 

with KOS> 

P.42B-15

 or GROUP 42C, Diagnosis 

− ID 

Codes Registration Judgment Table <Vehicles with 
WCM> 

P.42C-10

. Then go to Step 3.

NO :  It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

− How to 

Cope with Intermittent Malfunctions 

P.00-15

.

STEP 3. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 22 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0462 set?

YES : Retry the troubleshooting.
NO :  The inspection is complete.

DTC P0463: Fuel Level Sensor <FWD> or Fuel Level Sensor (main) <AWD> Circuit High Input

.

TECHNICAL DESCRIPTION

• The fuel level sensor converts the rest of the fuel 

to a voltage and sends it to the combination 
meter.

• The combination meter sends the data regarding 

the rest of the fuel to the ECM.

• The ECM checks whether this data is within a 

specified range.

.

DESCRIPTIONS OF MONITOR METHODS

An open circuit is detected while monitoring the fuel 
level sensor output.

.

MONITOR EXECUTION

Continuous

.

MONITOR EXECUTION CONDITIONS 
(Other monitor and Sensor)

Other Monitor (There is no temporary DTC stored 

in memory for the item monitored below)

• Not applicable

Sensor (The sensor below is determined to be 

normal)

• Not applicable

.

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-562

DTC SET CONDITIONS

Logic Flow Chart

.

Check Conditions

• Battery positive voltage is between 11 and 16.5 

volts.

• 2 seconds or more have passed since the engine 

staring sequence was completed.

Judgement Criterion

• Fuel level sensor resistance has continued to be 

higher than 186 ohms for 2 seconds.

.

OBD-II DRIVE CYCLE PATTERN

Refer to Diagnostic Function 

− OBD-II Drive Cycle − 

Pattern 22 

P.13B-11

.

.

TROUBLESHOOTING HINTS (The most 
likely causes for this code to be set are:)

• Fuel level sensor failed.

• Combination meters assembly failed.

• Connector damage

• Harness damage

• ECM failed.

DIAGNOSIS

Required Special Tools:

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

• MB991824: V.C.I.

• MB991827: USB Cable

• MB991910: Main Harness A

AK604342

Good

Malfunction

End

No

No

No

No

Fuel level sensor

resistance <= 2 ohms

Fuel level sensor

resistance >= 186 ohms

Start

Continuous

failure for 2secs

Monitoring
conditions

Yes

Yes

Yes

Yes

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-563

STEP 1. Check fuel gauge.
Q: Is the fuel gauge functioning?

YES : Go to Step 2.
NO :  Refer to GROUP 54A, Combination Meter 

− Trouble 

Symptom Chart 

P.54A-69

.

STEP 2. Check the trouble symptoms.
(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 22 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q:  Is DTC P0463 set?

YES : Replace the ECM. When the ECM is replaced, 

register the ID code. Refer to GROUP 42B, Diagnosis 
− ID Codes Registration Judgment Table <Vehicles 

with KOS> 

P.42B-15

 or GROUP 42C, Diagnosis 

− ID 

Codes Registration Judgment Table <Vehicles with 
WCM> 

P.42C-10

. Then go to Step 3.

NO :  It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

− How to 

Cope with Intermittent Malfunctions 

P.00-15

.

STEP 3. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 22 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0463 set?

YES : Retry the troubleshooting.
NO :  The inspection is complete.

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-564

DTC P0489: EGR Valve (Stepper Motor) Circuit Malfunction (Ground Short)

1

2 3

4

5 6

AK700165

1

2

3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

1

3

2

4

1

10 111213 14 1516 17 1819 20

2 3 4

5 6 7 8 9

1

3

4

6

31

32

47

48

B-12

(MU802056)

B-10

20A

WHITE

WHITE

WHITE

WHITE

RED

GRA

Y

-BLUE

SKY BLUE

LIGHT GREEN

WHITE

A-33X

4

3

1

2

22

OFF

ON

AB

EGR VALVE CIRCUIT

EXHAUST GAS
RECIRCULATION
(EGR) VALVE

36

FUSIBLE LINK

4

2

5

A-13

RELAY BOX
(ENGINE COMPARTMENT)

TO ECM

ENGINE CONTROL MODULE

MFI
RELAY

 

 

 

 

 

 

 

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