Mitsubishi Evolution X. Manual - part 264

 

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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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