Mitsubishi Eclipse. Manual - part 505

 

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Mitsubishi Eclipse. Manual - part 505

 

 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-563

STEP 4. Using scan tool MB991958, check data list item 22: 
Crankshaft Position Sensor.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to the data reading mode for item 

22, Crankshaft Position Sensor.

• The tachometer and engine speed indicated on the scan 

tool should much.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the sensor operating properly?

YES : It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use Troubleshooting/ 
Inspection Service Points 

P.00-6

.

NO :  Replace the ECM or PCM. Then go to Step 21.

AK300810

AB

MB991911

16-PIN

MB991827

MB991824 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-564

STEP 5. Check connector B-20 at the crankshaft position 
sensor for damage.
Q: Is the 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 21.

AK300448

1

2

3

CRANKSHAFT
POSITION
SENSOR

CONNECTOR: B-20 <WITHOUT INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

AK300449

1

2

3

CONNECTOR: B-20 <WITH INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

CRANKSHAFT
POSITION
SENSOR

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-565

STEP 6. Check the sensor supply voltage at crankshaft 
position sensor harness side connector B-20.
(1) Disconnect the connector B-20 and measure at the harness 

side.

(2) Turn the ignition switch to the "ON" position.

AK300448

1

2

3

CRANKSHAFT
POSITION
SENSOR

CONNECTOR: B-20 <WITHOUT INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

AK300449

1

2

3

CONNECTOR: B-20 <WITH INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

CRANKSHAFT
POSITION
SENSOR

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-566

(3) Measure the voltage between terminal No. 2 and ground.

• Voltage should be between 4.8 and 5.2 volts.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.8 and 5.2 volts?

YES : Go to Step 11.
NO :  Go to Step 7.

STEP 7. Check the sensor supply voltage at ECM 
connector C-58 <M/T> or PCM connector C-55 <A/T> by 
backprobing.
(1) Do not disconnect the ECM connector C-58 <M/T> or PCM 

connector C-55 <A/T>.

(2) Disconnect the crankshaft position sensor connector B-20.
(3) Turn the ignition switch to the "ON" position.

AKX01416 AH

2 1

3

B-20 HERNESS 
CONNECTOR: 
COMPONENT SIDE

AK300462

42

43

48

49

50

51

52

53

54

55

56

57

46 45 44

58

59

60

61

62

63

64

65

66

47

41

CONNECTOR: C-55 <A/T>

C-55 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

AK300748

65

43
50

42
49

41
48
60

61

64

46

47

58

59

67

68

45

56
66

52 51

44

53

62

54

63

57

55

CONNECTOR: C-58 <M/T>

AB

C-58 (GR)

HARNESS CONNECTOR:
COMPONENT SIDE

 

 

 

 

 

 

 

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