Mitsubishi Galant (2004+). Manual - part 829

 

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Mitsubishi Galant (2004+). Manual - part 829

 

 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-133

STEP 2. Check the engine coolant temperature sensor.
(1) Disconnect the engine coolant temperature sensor 

connector B-104.

(2) Remove the engine coolant temperature sensor.

(3) With the temperature sensing portion of engine coolant 

temperature sensor immersed in hot water, measure 
resistance.

Standard value:

14 

 17 k [at 20°C (4°F)]

5.1 

 6.5 k [at 0°C (32°F)]

2.1 

 2.7 k [at 20°C (68°F)]

0.9 

 1.3 k [at 40°C (104°F)]

0.48 

 0.68 k [at 60°C (140°F)]

0.26 

 0.36 k [at 80°C (176°F)]

(4) Apply 3M

 AAD part number 8731 or equivalent on the 

screw section of the engine coolant temperature sensor.

(5) Install the engine coolant temperature sensor, and tighten 

to the specified torque.

Tightening torque: 30 

± 9 Nm (22 ± 7 ft-lb)

Q: Is the measured resistance at the standard value?

YES : Go to Step 3.
NO :  Replace the engine coolant temperature sensor. Then 

go to Step 9.

STEP 3. Check harness connector B-104 at the engine 
coolant temperature sensor for damage.
Q: Is the harness connector in good condition?

YES : Go to Step 4.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 9.

AK303815

1

2

AB

CONNECTOR: B-104

B-104 (B)

HARNESS 
CONNECTOR:
COMPONENT SIDE

AKX01622

AKX01623 AB

AK303815

1

2

AB

CONNECTOR: B-104

B-104 (B)

HARNESS 
CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-134

STEP 4. Check the continuity at engine coolant 
temperature sensor harness side connector B-104.
(1) Disconnect the connector B-104 and measure at the 

harness side.

(2) Check for the continuity between terminal No. 2 and 

ground.

• Should be less than 2 ohms.

Q: Does continuity exist?

YES : Go to Step 7.
NO :  Go to Step 5.

STEP 5. Check harness connector B-21 at PCM for 
damage.
Q: Is the harness connector in good condition?

YES : Go to Step 6.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 9.

AK303815

1

2

AB

CONNECTOR: B-104

B-104 (B)

HARNESS 
CONNECTOR:
COMPONENT SIDE

AK000235

B-104 HARNESS
CONNECTOR: 
COMPONENT SIDE

1

2

AQ

AK303018

55

56

54 53 52 51

57

62 61 60 59 58

63

69 68 67 66 65 64

70

75 74 73 72 71

76

82 81 80 79 78 77

83

CONNECTOR: B-21

PCM

AB

HARNESS CONNECTOR: 
COMPONENT SIDE

AIR CLEANER

B-21 (B)

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-135

STEP 6. Check for harness damage between engine 
coolant temperature sensor connector B-104 (terminal No. 
2) and PCM connector B-21 (terminal No. 69).
Q: Is the harness wire in good condition?

YES : Replace the PCM. Then go to Step 9.
NO :  Repair it. Then go to Step 9.

AK303815

1

2

AB

CONNECTOR: B-104

B-104 (B)

HARNESS 
CONNECTOR:
COMPONENT SIDE

AK303018

55

56

54 53 52 51

57

62 61 60 59 58

63

69 68 67 66 65 64

70

75 74 73 72 71

76

82 81 80 79 78 77

83

CONNECTOR: B-21

PCM

AB

HARNESS CONNECTOR: 
COMPONENT SIDE

AIR CLEANER

B-21 (B)

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-136

STEP 7. Check harness connector B-22 at PCM for 
damage.
Q: Is the harness connector in good condition?

YES : Go to Step 8.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 9.

AK303016

104

96

94

95

93 92 91

99 98 97

103 102 101 100

108 107 106 105

113 112 111 110 109

CONNECTOR: B-22

B-22 (B)

PCM

AB

HARNESS CONNECTOR: 
COMPONENT SIDE

AIR CLEANER

 

 

 

 

 

 

 

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