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
.
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
(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
or GROUP 42C, Diagnosis
− ID
Codes Registration Judgment Table <Vehicles with
WCM>
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
.
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
(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 −
.
.
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
.
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
(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
or GROUP 42C, Diagnosis
− ID
Codes Registration Judgment Table <Vehicles with
WCM>
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
.
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
(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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