Mitsubishi Montero (2004+). Manual — part 130
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-7
P0513
Immobilizer malfunction
P0551
Power steering pressure sensor circuit range/performance
P0554
Power steering pressure sensor circuit intermittent
P0606*
Powertrain control module main processor malfunction
P0638*
Throttle actuator control motor circuit range/performance
P0642*
Throttle position sensor power supply
P0657*
Throttle actuator control motor relay circuit malfunction
P0660
Intake manifold tuning circuit malfunction
P0705
Transmission range switch circuit malfunction (RPNDL input)
P0712
Transmission fluid temperature sensor circuit low input
P0713
Transmission fluid temperature sensor circuit high input
P0715
Input/Turbine speed sensor circuit
P0720
Output speed sensor circuit
P0731
Gear 1 incorrect ratio
P0732
Gear 2 incorrect ratio
P0733
Gear 3 incorrect ratio
P0734
Gear 4 incorrect ratio
P0735
Gear 5 incorrect ratio
P0736
Gear R incorrect ratio
P0741
Torque converter clutch circuit performance or stuck off
P0742
Torque converter clutch circuit stuck on
P0743
Torque converter clutch circuit electrical
P0753
Shift solenoid "A" electrical
P0758
Shift solenoid "B" electrical
P0763
Shift solenoid "C" electrical
P0768
Shift solenoid "D" electrical
P0773
Shift solenoid "E" electrical
P1601*
Communication malfunction (between PCM and throttle actuator control module)
P1603*
Battery backup circuit malfunction
P1751
A/T control relay malfunction
P2100*
Throttle actuator control motor circuit (open)
P2101*
Throttle actuator control motor magneto malfunction
P2102*
Throttle actuator control motor circuit (shorted low)
P2103*
Throttle actuator control motor circuit (shorted high)
P2108*
Throttle actuator control processor malfunction
P2121*
Accelerator pedal position sensor (main) circuit range/performance problem
P2122*
Accelerator pedal position sensor (main) circuit low input
P2123*
Accelerator pedal position sensor (main) circuit high input
P2126*
Accelerator pedal position sensor (sub) circuit range/performance problem
P2127*
Accelerator pedal position sensor (sub) circuit low input
DTC NO.
ITEMS
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-8
NOTE: If the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illuminates
because of a malfunction of the powertrain control module (PCM), communication between scan tool
MB991958 (MUT-III Sub Assembly) and the PCM is impossible. In this case, the diagnostic trouble code can-
not be read.
NOTE: After the PCM 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 "*" 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: After the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illuminates,
it will be switched off under the following conditions.
.
•
When the PCM monitored the power train malfunction three times* and met set condition requirements, it
detected no malfunction. *: In this case, "one time" indicates from engine start to stop.
•
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.
NOTE: Sensor 1 indicates the sensor mounted at a position closest to the engine, and sensor 2 indicates the
sensor mounted at the position second closest to the engine.
NOTE: Bank 1 indicates the right bank side cylinder, and bank 2 indicates the left bank side cylinder.
HOW TO CONNECT THE SCAN TOOL (MUT-III)
Required Special Tools:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991911: Main Harness B
P2128*
Accelerator pedal position sensor (sub) circuit high input
P2135*
Throttle position sensor (main and sub) range/performance problem
P2138*
Accelerator pedal position sensor (main and sub) range/performance problem
P2227*
Barometric pressure circuit range/performance problem
P2228*
Barometric pressure circuit low input
P2229*
Barometric pressure circuit high input
DTC NO.
ITEMS
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-9
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 MB991911 to special tool MB991824.
5. Connect special tool MB991911 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 MUT-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 (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991911: Main Harness B
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.
NOTE: If the battery voltage is low, diagnostic trouble codes will
not be set. Check the battery if scan tool MB991958 does not
display.
AK302970
AB
MB991911
MB991824
MB991827
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-10
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "Interactive Diagnosis" from the start-up screen.
4. Select "System select."
5. Choose "MFI" from the "POWER TRAIN" tab.
6. Select "MITSUBISHI."
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 (MUT-III Sub Assemb]y)
• MB991824: V.C.I.
• MB991827: Usb Cable
• MB991911: Main Harness B
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 "Interactive Diagnosis" from the start-up screen.
4. Select "System select."
5. Choose "MFI" from the "POWER TRAIN" tab.
6. Select "MITSUBISHI."
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 (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991911: Main Harness B
AK302970
AB
MB991911
MB991824
MB991827
AK302970
AB
MB991911
MB991824
MB991827
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