Mitsubishi Evolution X. Manual — part 264
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-33
PATTERN 9
.
Drive cycle
pattern
Inspection
conditions
• Engine coolant temperature at engine start: More than 10° C (50° F), less than 60° C
(168
° F)
• Intake air temperature at engine start: More than 10° C (14° F)
• Dropping of intake air temperature since engine start: Less than 5° C (9° F)
• 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 20 minutes at the following conditions. (During the monitor)
• Vehicle speed: More than 50 km/h (32 mph)
• Except fuel cut
NOTE: The system is normal if engine coolant temperature will rise more than 82
°
C
(180
°
F) within 44 minutes.
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.
5. Confirm that the diagnostic trouble code (DTC) is not output.
AK402441
(2)
(1)
(3)
44 minutes
During the monitor
50 km/h
(31 mph)
Ignition
switch:
"LOCK" (OFF)
Vehicle speed
AN
Time
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-34
PATTERN 10
.
PATTERN 11
Drive cycle
pattern
Inspection
conditions
• Engine coolant temperature: More than 76° C (169° F)
• Condition of TC-SST: Shift lever "D" range
Test
procedure
1. Start the engine with all the accessories switched OFF.
2. Drive the vehicle at 50 km/h (31 mph) for 6 minutes.
3. Release the accelerator pedal for 10 seconds then stop the vehicle in a safe place.
(During the monitor)
4. Turn the ignition switch to "LOCK" (OFF) position.
5. Start the engine and do Steps 1 to 4 again.
6. Confirm that the diagnostic trouble code (DTC) is not output.
AK604701
(2)
(1)
(3)
6 Minutes
During the monitor
50 km/h
(32 mph)
Ignition
switch:
"LOCK" (OFF)
Vehicle speed
AB
Time
(4)
Drive cycle
pattern
Inspection
conditions
• Engine coolant temperature: More than 82° C (180° F)
• Condition of TC-SST: Shift lever "D" range
Test
procedure
1. Start the engine with all the accessories switched OFF.
2. Let the engine idle for 3 minutes.
3. Drive the vehicle for 30 seconds at the following conditions. (During the monitor)
• Engine speed: More than 1,800 r/min
• Engine load: More than 30 %, less than 80 %
• Throttle position sensor output: Less than 3.0 volts
• Except fuel cut
4. Stop the vehicle in a safe place and turn the ignition switch to "LOCK" (OFF) position.
5. Confirm that the diagnostic trouble code (DTC) is not output.
AK402436
(2)
(1)
(3)
30 Seconds
Ignition
switch:
"LOCK" (OFF)
During the monitor
1,800 r/min
Engine speed
AC
Idling
(4)
3 Minutes
Time
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-35
.
PATTERN 12
.
PATTERN 13
.
Drive cycle
pattern
Inspection
conditions
• Engine coolant temperature: More than 76° C (169° F)
• Condition of TC-SST: Shift lever "D" range
Test
procedure
1. Start the engine with all the accessories switched OFF.
2. Drive the vehicle at 50 km/h (31 mph) for 5 minutes.
3. Release the accelerator pedal for 5 seconds then stop the safe place.
4. Increase the speed of the vehicle to 50 km/h (31 mph) under the following conditions, and
then drive the vehicle for 30 seconds.
• Engine speed: More than 1,500 r/min
• Engine load: More than 40 %
5. Release the accelerator pedal for 5 seconds then stop the safe place.
6. Repeat Steps 4 and 5 for 2 times.
7. Stop the vehicle in a safe place and turn the ignition switch to "LOCK" (OFF) position.
8. Start the engine and do Steps 1 to 7 again.
9. Confirm that the diagnostic trouble code (DTC) is not output.
AK402437
(2)
(1)
(3)
5 Minutes
Ignition
switch:
"LOCK" (OFF)
50 km/h
(31 mph)
Vehicle speed
AC
(4)
(5)
5 Seconds
(4)
(5)
(7)
Idling
Time
5 Seconds
(4)
(5)
Inspection
conditions
• Engine coolant temperature at engine start: More than −10° C (14° F), less than 33° C
(91
° F)
• Difference between engine coolant temperature and intake air temperature at engine
start: Less than 5
° C (9° F)
• Condition of TC-SST: Shift lever "D" range
Test
procedure
1. Start the engine with all the accessories switched OFF.
2. Drive the vehicle at more than 30 km/h (19 mph) until engine coolant temperature rises
more than 60
° C (140° F). (During the monitor)
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.
5. Confirm that the diagnostic trouble code (DTC) is not output.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-36
PATTERN 14
.
Drive cycle
pattern
Inspection
conditions
• Engine coolant temperature: More than −10° C (14° F)
• Intake air temperature: More than −10° C (14° 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 3 minutes at the following conditions. (During the monitor)
• Engine speed: More than 500 r/min, less than 3,000 r/min
• Engine load: More than 25 %
• Without rapid accelerator pedal change
• Except fuel cut
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.
5. Confirm that the diagnostic trouble code (DTC) is not output.
AK402440
(2)
(1)
(3)
3 Minutes
During the monitor
500 - 3,000 r/min
Ignition
switch:
"LOCK" (OFF)
Engine speed
AE
Time
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