Mitsubishi Outlander GS45X. Manual — part 548
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-15
NOTE: After the ECM has detected a malfunction, the Malfunction Indicator Lamp (SERVICE ENGINE
SOON or Check Engine Lamp) illuminates when the engine is next turned on and the same malfunction is
re-detected. However, for items marked with a "*1" in the DTC NO. column, the Malfunction Indicator Lamp
(SERVICE ENGINE SOON or Check Engine Lamp) illuminates only on the first detection of the malfunction.
NOTE: The codes marked with a "*2" in the diagnosis code number column have the following two conditions
for illuminating the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp).
• In case that the misfire causing the damaged catalyst is detected, the Malfunction Indicator Lamp (SER-
VICE ENGINE SOON or Check Engine Lamp) is illuminated at the time.
• In case that the misfire deteriorating the exhaust gas is detected, the Malfunction Indicator Lamp (SER-
VICE ENGINE SOON or Check Engine Lamp) is illuminated when the same malfunction is redetected
after the next engine start.
NOTE: After the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illuminates,
it will be switched off under the following conditions.
• When the ECM monitored the powertrain malfunction three times* and met set condition requirements, it
detected no malfunction. *: In this case, "one time" indicates from engine start to next engine start.
• For misfiring or a fuel trim malfunction, when driving conditions (engine speed, engine coolant tempera-
ture, etc.) are similar to those when the malfunction was first recorded.
HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
P2128
*1
Accelerator pedal position sensor (sub) circuit high input
P2135
*1
Throttle position sensor (main and sub) range/performance problem
P2138
*1
Accelerator pedal position sensor (main and sub) range/performance problem
P2228
*1
Barometric pressure circuit low input
P2229
*1
Barometric pressure circuit high input
P2237
Linear air-fuel ratio sensor positive current control circuit/open
P2243
Linear air-fuel ratio sensor reference voltage circuit/open
P2251
Linear air-fuel ratio sensor negative current control circuit/open
P2252
Heated oxygen sensor offset circuit low voltage
P2253
Heated oxygen sensor offset circuit high voltage
U0101
*1
TCM time-out
U0141
*1
ETACS-ECU time-out
U1180
*1
Combination meter time-out
DTC
ITEM
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-16
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF)
position.
2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824
and the personal computer.
4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"
position.
NOTE: When the special tool MB991824 is energized, spe-
cial tool MB991824 indicator light will be illuminated in a
green color.
7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting the scan tool MB991958 is the
reverse of the connecting sequence, making sure that the
ignition switch is at the "LOCK" (OFF) position.
HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES.
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
AK700568AB
MB991824
MB991827
MB991910
Data link
connector
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-17
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting 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. Select "System select."
4. Choose "from 2006 MY" under "MODEL YEAR".
5. Check that "Vehicle Information" contents are correct.
6. Choose "MFI".
7. Select "Diagnostic Trouble Code"
8. If a DTC is set, it is shown.
9. Choose "Erase DTCs" to erase the DTC.
HOW TO READ DATA LIST
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
AK700568AB
MB991824
MB991827
MB991910
Data link
connector
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-18
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting 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. Select "System select."
4. Choose "from 2006 MY" under "MODEL YEAR".
5. Check that "Vehicle Information" contents are correct.
6. Choose "MFI".
7. Select "Data List."
8. Choose an appropriate item and select the "OK" button.
HOW TO PERFORM ACTUATOR TEST
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
AK700568AB
MB991824
MB991827
MB991910
Data link
connector
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