Mitsubishi Evolution X. Manual — part 262
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-25
Freeze Frame Data for General Scan Tool
OBD- II DRIVE CYCLE
All kinds of diagnostic trouble codes (DTCs) can be monitored by carrying out a short drive according to the
following 23 drive cycle patterns. In other words, doing such a drive regenerates any kind of trouble which
involves illuminating the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) and
verifies the repair procedure has been eliminated [the trouble the Malfunction Indicator Lamp (SERVICE
ENGINE SOON or Check Engine Lamp) is no longer illuminated].
CAUTION
Two technicians should always be in the vehicle when carrying out a test.
NOTE: Check that the diagnosis trouble code (DTC) is not output before driving the OBD-II drive cycle. Erase
the DTC if it has been output.
NOTE: Drive cycle patterns are not established for Vehicle speed signal monitor (DTC P0500), Power steer-
ing pressure switch monitor (P0551), and Fuel level sensor monitor (DTC P0461, P2066). Please reference
the M.U.T. data list to judge whether these monitor items are normal.
COMMON EXAMPLE of
GENERAL SCAN
TOOL DISPLAY
PRAMETER
IDENTIFICATION
(PID)
DESCRIPTION
UNIT or STATE
DTCFRZF
02
DTC that caused required freeze frame data storage Pxxxx, Uxxxx
FUELSYS 1
03
See M.U.T.-III Item No. C0
LOAD_PCT
04
See M.U.T.-III Item No. C2
ECT
05
See M.U.T.-III Item No. C3
SHRTFT 1
06
See M.U.T.-III Item No. C4
LONGFT 1
07
See M.U.T.-III Item No. C6
MAP
0B
See M.U.T.-III Item No. CC
RPM
0C
See M.U.T.-III Item No. CD
VSS
0D
See M.U.T.-III Item No. CE
SPARKADV
0E
See M.U.T.-III Item No. CF
IAT
0F
See M.U.T.-III Item No. D0
MAF
10
See M.U.T.-III Item No. AA
TP
11
See M.U.T.-III Item No. AB
RUNTM
1F
See M.U.T.-III Item No. D1
EVAP_PCT
2E
See M.U.T.-III Item No. D6
FLI
2F
See M.U.T.-III Item No. D7
BARO
33
See M.U.T.-III Item No. BB
VPWR
42
See M.U.T.-III Item No. D8
LOAD_ABS
43
See M.U.T.-III Item No. D9
EQ_RAT
44
See M.U.T.-III Item No. DA
TP_R
45
See M.U.T.-III Item No. BC
AAT
46
Ambient air temperature
° C (° F)
TP_B
47
See M.U.T.-III Item No. BD
APP_D
49
See M.U.T.-III Item No. BE
APP_E
4A
See M.U.T.-III Item No. BF
TAC_PCT
4C
Command Throttle Actuator Control
%
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-26
DRIVE CYCLE PATTERN LIST
MONITOR ITEM
DIAGNOSTIC TROUBLE
CODE (DTC)
PATTERN
Heated oxygen sensor (front) monitor <Readiness test
item>
P0133
1
Heated oxygen sensor heater monitor <Readiness test
item>
P0031, P0032, P0037,
P0038
2
Catalytic converter monitor <Readiness test item>
P0420
3
Evaporative emission system leak monitor (small leak and
gross leak) <Readiness test item>
P0442, P0455
4
Evaporative purge system monitor
P0441
Fuel tank pressure sensor monitor
P0450
Evaporative emission system leak monitor (very small leak)
<Readiness test item>
P0456
5
Airflow sensor monitor
P0101
6
Manifold absolute pressure (MAP) sensor monitor
P0106, P0107
Intake air temperature sensor monitor
P0096, P0111
7
Engine coolant temperature sensor monitor
P0116, P0125
8
Thermostat monitor
P0128
9
Heated oxygen sensor (rear) monitor <Readiness test
item>
P0139
Air fuel ratio feedback monitor
P0134
11
Heated oxygen sensor (rear) monitor
P0140
Fuel tank temperature sensor monitor
P0181
Misfire monitor
P0300, P0301, P0302,
P0303, P0304
Fuel tank pressure sensor monitor
P0451
Power steering pressure switch monitor
P0554
Throttle position sensor plausibility monitor
P1233, P1234
Mass airflow sensor plausibility monitor
P1235, P1238
Torque monitor
P1241
Wastegate system monitor
P0234
Idle speed control system monitor
P0506, P0507
Idle speed control system monitor
P1506, P1507
Ignition timing retard control (cold start strategy) monitor
P1320
Variable valve timing system (MIVEC) monitor
P0011, P0014, P0016, P0017 20
Fuel trim monitor
P0171, P0172
Heated oxygen sensor monitor
P0131, P0137, P2195
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-27
.
Intake air temperature sensor monitor
P0097, P0098, P0112, P0113 23
Airflow sensor monitor
P0102, P0103
Manifold absolute pressure (MAP) sensor monitor
P0108
Engine coolant temperature sensor monitor
P0117, P0118
Heated oxygen sensor monitor
P0132, P0138, P2252,
P2253
Fuel tank temperature sensor monitor
P0182, P0183
Injector monitor
P0201, P0202, P0203,
P0204
Turbocharger wastgate solenoid monitor
P0243, P0247
Knock sensor monitor
P0327, P0328
Crankshaft position sensor monitor
P0335
Evaporative emission purge solenoid monitor
P0443
Evaporative emission ventilation solenoid monitor
P0446
Fuel tank pressure sensor monitor
P0452, P0453
Fuel level sensor monitor
P0462, P0463
Engine oil control valve monitor
P1021, P1025
Engine RPM plausibility monitor
P1239
Barometric pressure sensor monitor
P2228, P2229
MONITOR ITEM
DIAGNOSTIC TROUBLE
CODE (DTC)
PATTERN
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-28
PATTERN 1
.
PATTERN 2
.
Drive cycle
pattern
Inspection
conditions
• Engine coolant temperature: More than 82° C (180° F)
• Barometric pressure: More than 76 kPa (22.5 inHg)
• Condition of TC-SST: Shift lever "D" range
Test
procedure
1. Start the engine with all the accessories switched OFF.
2. Drive the vehicle for 4 minutes at the following conditions. (During the monitor)
NOTE: When the system is normal, the monitor is completed earlier.
• Vehicle speed: More than 30 km/h (19 mph)
• Engine speed: More than 1,500 r/min, less than 3,500 r/min
• Engine load: More than 20 %, less than 60 %
• Without rapid accelerator pedal movement
3. Stop the vehicle in a safe place and turn the ignition switch to "LOCK" (OFF) position.
4. Start the engine and do Steps 1 to 3 again.
NOTE: When the vehicle is operating normally and the OBD-II Drive Cycle is carried out,
the Readiness Codes will be set as "Complete" on the first drive cycle. The second drive
cycle is required to set the Readiness Codes as "Complete" if a fault is detected during
the first drive cycle.
5. Confirm that the diagnostic trouble code (DTC) is not output.
AK402430
(2)
(1)
(3)
2 MINUTES
DURING THE MONITOR
1,500 - 3,500 r/min
IGNITION
SWITCH:
"LOCK" (OFF)
ENGINE SPEED
AJ
TIME
Test
procedure
1. Start the engine with all the accessories switched OFF.
2. Let the engine idle for 10 seconds. (During the monitor)
3. Turn the ignition switch to the "LOCK" (OFF) position.
4. Start the engine and do Steps 1 to 3 again.
NOTE: When the vehicle is operating normally and the OBD-II Drive Cycle is carried out,
the Readiness Codes will be set as "Complete" on the first drive cycle. The second drive
cycle is required to set the Readiness Codes as "Complete" if a fault is detected during
the first drive cycle.
5. Confirm that the diagnostic trouble code (DTC) is not output.
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