Mitsubishi Outlander GS45X. Manual — part 769
SPECIAL TOOL
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-9
MB991709
Test harness
MB991709-01
Inspection using an
oscilloscope
MB991658
Test harness
Tool not available
• Inspection using an
oscilloscope
• Inspection of heated
oxygen sensor
• Inspection of engine
oil control valve
MD998464
Test harness (4 pin,
square)
MD998464-01
Inspection of heated
oxygen sensor
MB991316
Test harness (4 pin,
square)
Tool not available
Inspection of heated
oxygen sensor
MB992049
MB992049-01
Measurement of fuel
pressure
MB992001
Hose adaptor
-
Measurement of fuel
pressure
MB991981
Fuel pressure gauge set
Tool not available
Measurement of fuel
pressure
MB992076
Injector test set
-
Measurement of fuel
pressure
Tool
Tool number and name Supersession
Application
MB991658
MB992049
MB992001
MB991981
MB992076
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-10
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TROUBLESHOOTING STRATEGY
M1131150002348
NOTE: If a DTC is erased, its "freeze frame" data will be also
erased and system readiness test status will be reset. Store the
"freeze frame" data before erasing the DTC.
Use these steps to plan your diagnostic strategy. If you follow
them carefully, you will be sure to have exhausted most of the
possible ways to find an MFI fault.
1. Gather as much information as possible about the complaint
from the customer.
2. Verify that the condition described by the customer exists.
3. Check the vehicle for any MFI Diagnostic Trouble Code
(DTC).
4. If you cannot verify the condition and there are no DTCs, the
malfunction is intermittent. For information on how to cope
with intermittent malfunctions, refer to GROUP 00, How to
Use Troubleshooting/Inspection Service Points
− How to
Cope with Intermittent Malfunctions
P.00-15
.
5. If you can verify the condition but there are no DTCs, or the
system cannot communicate with the scan tool, refer to the
trouble symptom classification table.
6. If there is a DTC, record the number of the code, then erase
the code from the memory using the scan tool.
7. Reconfirm the malfunction symptom and carry out a test
drive with the drive cycle pattern.
8. If DTC is set again, carry out an inspection with appropriate
diagnostic trouble code procedures.
MD998709
Hose adapter
Measurement of fuel
pressure
MB992042
Engine coolant
temperature sensor
wrench
-
Removal and installation
of the engine coolant
temperature sensor
MB992106
O-ring installer
-
Installation of O-ring on
fuel injector injection
nozzle side
Tool
Tool number and name Supersession
Application
MB992042
B992106
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-11
9. If DTC is not set again, the malfunction is intermittent. For
information on how to cope with intermittent malfunctions,
refer to GROUP 00, How to Use Troubleshooting/Inspection
Service Points
− How to Cope with Intermittent Malfunctions
P.00-15
.
10.After repairs are completed, conduct a road test duplicating
the complaint set conditions to confirm the malfunction has
been corrected.
11.Erase the permanent DTC. (Refer to DIAGNOSTIC
FUNCTION
− PERMANENT DTC for the procedures of
erasing the permanent DTC
.)
NOTE: This is carried out to prevent the failure to pass the
Inspection and Maintenance (I/M) test in the states checking
whether the permanent DTC is stored or not.
NOTE: If the engine control module (ECM) is replaced, Immo-
bilizer Encrypted Code Registration should be carried out,
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
.
DIAGNOSTIC FUNCTION
M1131155504593
.
MALFUNCTION INDICATOR LAMP (SERVICE
ENGINE SOON OR CHECK ENGINE LAMP)
Among the on-board diagnostic items, Malfunction Indicator
Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illu-
minates to notify the driver of an emission control malfunction.
However, when an irregular signal returns to normal and the
engine control module judges that it has returned to normal, the
Malfunction Indicator Lamp (SERVICE ENGINE SOON or
Check Engine Lamp) will switch off.
There are two methods for checking the indicator lamp burn
out: When the ignition switch is in ON position, the indicator
lamp is illuminated, and then extinguished few seconds later.
When the ignition switch is in ON position and the engine
starts, the indicator lamp is extinguished.
NOTE: When the Transmission Control Module (TCM) detects
malfunctions related to the automatic transaxle, the Malfunction
indicator Lamp (SERVICE ENGINE SOON or Check Engine
Lamp) is also illuminated.
.
AK700324AB
Mulfunction
indicator lamp
(service engine
soon or check
engine lamp)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-12
Items Indicated by the Malfunction Indicator Lamp
(SERVICE ENGINE SOON or Check Engine Lamp)
DTC
ITEM
P001A
Camshaft profile control (engine oil control valve) circuit
P0031
Heated oxygen sensor heater circuit low (bank 1 sensor 1)
P0032
Heated oxygen sensor heater circuit high (bank 1 sensor 1)
P0037
Heated oxygen sensor heater circuit low (bank 1 sensor 2)
P0038
Heated oxygen sensor heater circuit high (bank 1 sensor 2)
P003C
Mitsubishi innovative valve timing electronic control system (MIVEC) performance problem
P0051
Heated oxygen sensor heater circuit low (bank 2 sensor 1)
P0052
Heated oxygen sensor heater circuit high (bank 2 sensor 1)
P0053
Heated oxygen sensor heater resistance (bank 1 sensor 1)
P0057
Heated oxygen sensor heater circuit low (bank 2 sensor 2)
P0058
Heated oxygen sensor heater circuit high (bank 2 sensor 2)
P0059
Heated oxygen sensor heater resistance (bank 2 sensor 1)
P0068
*1
Mass airflow sensor plausibility
P0069
Abnormal correlation between manifold absolute pressure sensor and barometric pressure
sensor
P0101
*1
Mass airflow circuit range/performance problem
P0102
*1
Mass airflow circuit low input
P0103
*1
Mass airflow circuit high input
P0106
Manifold absolute pressure circuit range/performance problem
P0107
Manifold absolute pressure circuit low input
P0108
Manifold absolute pressure circuit high input
P0111
*1
Intake air temperature circuit range/performance problem
P0112
*1
Intake air temperature circuit low input
P0113
*1
Intake air temperature circuit high input
P0116
*1
Engine coolant temperature circuit range/performance problem
P0117
*1
Engine coolant temperature circuit low input
P0118
*1
Engine coolant temperature circuit high input
P0121
*1
Throttle position sensor (main) plausibility
P0122
*1
Throttle position sensor (main) circuit low input
P0123
*1
Throttle position sensor (main) circuit high input
P0125
*1
Insufficient coolant temperature for closed loop fuel control
P0128
Coolant thermostat (coolant temperature below thermostat regulating temperature)
P0131
Heated oxygen sensor circuit low voltage (bank 1 sensor 1)
P0132
Heated oxygen sensor circuit high voltage (bank 1 sensor 1)
P0133
Heated oxygen sensor circuit slow response (bank 1 sensor 1)
P0134
*1
Heated oxygen sensor circuit no activity detected (bank 1 sensor 1)
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