Mitsubishi Outlander GS45X. Manual - part 1608

EMISSION CONTROL <MFI>

TSB Revision

ENGINE AND EMISSION CONTROL

17-81

<3.0L Engine>

COMPONENT LOCATION

M1173007600688

EGR VALVE (STEPPER MOTOR) CHECK

M1173050200576

Required Special Tool:
MB991658: Test Harness Set

.

Checking the Operation Sound

1. Check that the operation sound of the stepper motor can be 

heard from the EGR valve when the ignition switch is turned 
ON (without starting the engine).

2. If the operation sound cannot be heard, inspect the drive 

circuit of the stepper motor.

NOTE: If the operation sound is not heard, and the circuit is 
normal, either the stepper motor or the ECM may have failed.

.

AK700125

 ECM

Battery

AB

EGR valve
(stepper motor)

Mass airflow sensor

Intake air temperature
sensor

Engine coolant
temperature sensor

Throttle position sensor

Crankshaft position sensor

Manifold absolute
pressure sensor

AK503324

Exhaust gas recirculation valve <2.4L Engine>

AE

AK700065

Exhaust gas recirculation valve <3.0L Engine>

AC

EMISSION CONTROL <MFI>

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ENGINE AND EMISSION CONTROL

17-82

Checking the Coil Resistance

1. Remove the EGR valve.
2. Measure the resistance between terminal No. 2 and either 

terminal No. 1 or terminal No. 3 of the connector at the EGR 
valve.

Standard value: 20 

− 24 Ω [at 20°C (68°F)]

3. If the resistance is not within the standard, replace the EGR 

valve.

4. Measure the resistance between terminal No. 5 and either 

terminal No. 6 or terminal No. 4 of the connector at the EGR 
valve.

Standard value: 20 

− 24 Ω [at 20°C (68°F)]

5. If the resistance is not within the standard, replace the EGR 

valve.

.

Operation Check

1. Remove the EGR valve.
2. Connect special tool MB991658 to the EGR valve.

3. Connect the battery positive (+) terminal to terminal No. 2. 

CAUTION

Connecting battery voltage to the EGR valve for a long 
time could damage the coil.
4. Connect terminals 1 and 3 to the negative (-) terminal of the 

battery, in order to test whether the stepper motor vibrates 
(with a slight shudder), indicating that the stepper motor is 
operating.

AK700066

1 2 3
4 5 6

1 2 3
4 5 6

AK502151

1 2 3
4 5 6

AG

EGR valve

<2.4L Engine>

AK700067

1 2 3
4 5 6

AC

EGR valve

<3.0L Engine>

AK302886

Battery

MB991658

AD

EMISSION CONTROL <MFI>

TSB Revision

ENGINE AND EMISSION CONTROL

17-83

5. Connect the battery positive (+) terminal to terminal No. 5.

CAUTION

Connecting battery voltage to the EGR valve for a long 
time could damage the coil.
6. Connect terminals 4 and 6 to the negative (-) terminal of the 

battery, in order to test whether the stepper motor vibrates 
(with a slight shudder), indicating that the stepper motor is 
operating.

7. If vibrations can be felt as a result of the test, the stepper 

motor is determined to be normal.

MASS AIRFLOW SENSOR CHECK

M1173050400235

.

<2.4L Engine>

To inspect these parts, refer to GROUP 13A, Multiport Fuel 
Injection (MFI) <2.4L Engine> 

− Multiport Fuel Injection (MFI) 

Diagnosis 

− Diagnostic Trouble Code Chart 

P.13A-49

.

.

<3.0L Engine>

To inspect these parts, refer to GROUP 13B, Multiport Fuel 
Injection (MFI) <3.0L Engine> 

− Multiport Fuel Injection (MFI) 

Diagnosis 

− Diagnostic Trouble Code Chart 

P.13B-50

.  

ENGINE COOLANT TEMPERATURE SENSOR 
CHECK

M1173008100794

.

<2.4L Engine>

To inspect the sensor, refer to GROUP 13A, Multiport Fuel 
Injection (MFI) <2.4L Engine> 

− Multiport Fuel Injection (MFI) 

Diagnosis 

− Diagnostic Trouble Code Chart 

P.13A-49

.

.

<3.0L Engine>

To inspect the sensor, refer to GROUP 13B, Multiport Fuel 
Injection (MFI) <3.0L Engine> 

− Multiport Fuel Injection (MFI) 

Diagnosis 

− Diagnostic Trouble Code Chart 

P.13B-50

.  

CRANKSHAFT POSITION SENSOR CHECK

M1173008300420

.

<2.4L Engine>

To inspect the sensor, refer to GROUP 13A, Multiport Fuel 
Injection (MFI) <2.4L Engine> Multiport Fuel Injection (MFI) 
Diagnosis 

− Diagnostic Trouble Code Chart 

P.13A-49

.

.

<3.0L Engine>

To inspect the sensor, refer to GROUP 13B, Multiport Fuel 
Injection (MFI) <3.0L Engine> 

− Multiport Fuel Injection (MFI) 

Diagnosis 

− Diagnostic Trouble Code Chart 

P.13B-50

.  

AK702334

Battery

MB991658

AD

EMISSION CONTROL <MFI>

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ENGINE AND EMISSION CONTROL

17-84

REMOVAL AND INSTALLATION <2.4L ENGINE>

M1173010501145

Pre-removal Operation
• Engine Coolant Draining (Refer to GROUP 14, On-vehicle 

Service 

− Engine Coolant Change 

P.14-26

).

• Air Cleaner Intake Hose and Air Cleaner Assembly 

Removal (Refer to GROUP 15, Air Cleaner <2.4L 

Engine>

P.15-4

 ).

• Oil Filler Tube Assembly Removal (Refer to GROUP 23A, 

Transaxle Assembly 

P.23A-152

).

Post-installation Operation
• Oil Filler Tube Assembly Installation (Refer to GROUP 

23A, Transaxle Assembly 

P.23A-152

).

• Air Cleaner Intake Hose and Air Cleaner Assembly Instal-

lation (Refer to GROUP 15, Air Cleaner <2.4L 

Engine>

P.15-4

 ).

• Engine Coolant Refilling (Refer to GROUP 14, On-vehicle 

Service 

− Engine Coolant Change 

P.14-26

).

AC605404AC

N

9

24 ± 3 N·m
18 ± 2 ft-lb

11

10

N

N

1

2

3

4

5

6

7

8

12

N

7

7

20 ± 2 N·m
15 ± 1 ft-lb

20 ± 2 N·m
15 ± 1 ft-lb

20 ± 2 N·m
15 ± 1 ft-lb

20 ± 2 N·m
15 ± 1 ft-lb

Removal steps 

1.

EGR valve connector connection

2.

EGR valve

>>

B

<<

3.

EGR valve gasket

>>

A

<<

4.

EGR valve pipe

>>

A

<<

5.

EGR pipe gasket

>>

A

<<

6.

EGR pipe gasket

7.

Water hose connection

>>

A

<<

8.

EGR support stay A

>>

A

<<

9.

EGR support stay B

•

Throttle body assembly (Refer to 
GROUP 13A, Throttle Body 
Assembly 

P.13A-885

)

>>

A

<<

10. EGR valve support

>>

A

<<

11. EGR pipe gasket
12. EGR inlet pipe

Removal steps (Continued)