Mitsubishi L200. Manual — part 100

TROUBLESHOOTING

DIESEL FUEL

13A-196

STEP 11. Perform resistance measurement at A-
43 camshaft position sensor connector.

• Disconnect connector, and measure at harness

side.

• Resistance between terminal No. 1 and earth.

OK: Continuity (2

Ω or less)

Q: Is the check result normal?

YES :

Go to Step 14 .

NO :

Go to Step 12 .

STEP 12. Connector check: C-105 engine-ECU
connector

Q: Is the check result normal?

YES :

Go to Step 13 .

NO :

Repair or replace the connector.

STEP 13. Check harness between A-43 (terminal
No. 1) camshaft position sensor connector and
C-105 (terminal No. 90) engine-ECU connector.

NOTE: Before checking harness, check intermediate
connector A-131, and repair if necessary.

• Check earthing line for open circuit and damage.

Q: Is the check result normal?

YES :

Go to Step 7 .

NO :

Repair the damaged harness wire.

AK501330

1

2

3

AB

Harness side
connector

A-43 (B)

Connector: A-43

AKA00089

1

2

3

4

5

6

7

8

9

10

11

12

13

14

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89

90

91

92

93

94

95

96

C-105 (B)

C-105 (B)

<R.H. drive vehicles>

Harness side connector

<L.H. drive vehicles>

Connector: C-105

AB

AK501330

1

2

3

AB

Harness side
connector

A-43 (B)

Connector: A-43

AKA00089

1

2

3

4

5

6

7

8

9

10

11

12

13

14

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62

63

64

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66

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72

43

44

45

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47

48

73

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79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

C-105 (B)

C-105 (B)

<R.H. drive vehicles>

Harness side connector

<L.H. drive vehicles>

Connector: C-105

AB

TROUBLESHOOTING

DIESEL FUEL

13A-197

STEP 14. Perform output wave pattern
measurement at A-43 camshaft position sensor
(Using an oscilloscope).

• Use special tool test harness (MB991709) to con-

nect connector, and measure at pick-up harness.

• Engine: Idling

• Transmission: Neutral <M/T> or P range <A/T>

• Voltage between terminal No. 2 and earth.

OK: Waveforms should be displayed on
Inspection procedure using an oscilloscope
(Refer to

P.13A-586

), its maximum value

should be 4.8 V or more, and its minimum
valve should be 0.6 V or less with no noise in
waveform.

Q: Is the check result normal?

YES :

Go to Step 7 .

NO :

Replace the camshaft position sensor.

Code No. P0341: Camshaft Position Sensor Range/Performance Problem

OPERATION

• Refer to Code No. P0340: Camshaft Position

Sensor System

P.13A-192

.

FUNCTION

• The camshaft position sensor detects the top

dead center on the compression stroke of the No.
1 cylinder and inputs a pulse signal to the engine-
ECU.

TROUBLE JUDGMENT

Check Conditions

• Battery positive voltage is 6 − 16 V.

• Engine speed is 350 r/min or more.

Judgment Criterion

• The number of output pulses from the camshaft

position sensor every two engine rotations (from
when one excessive tooth is detected to when
another is detected) is not five.

PROBABLE CAUSES

• Failed camshaft position sensor

• Open/short circuit in camshaft position sensor cir-

cuit or loose connector contact

• Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. Installation check of camshaft position
sensor

• Check whether the camshaft position sensor is

correctly installed.

Q: Is the check result normal?

YES :

Go to Step 2 .

NO :

Repair or replace the camshaft position
sensor.

STEP 2. M.U.T.-III diagnosis code

• Reconfirmation of diagnosis code.

Q: Is the diagnosis code set?

AK501330

1

2

3

AB

Harness side
connector

A-43 (B)

Connector: A-43

TROUBLESHOOTING

DIESEL FUEL

13A-198

YES :

Replace the engine-ECU. When the engine-

ECU is replaced, write the chassis number
(Refer to GROUP 00

− Precautions Before

Service

− How to Perform Chassis Number

Writing ). After replacing the engine-ECU,
register the injector identification code and
learn fuel injection (Refer to GROUP 00

−

Precautions Before Service

− What The

Common Rail Engine Learns ). After
registering the injector identification code,
the vehicle equipped with the DPF carries
out the forcible DPF regeneration. (Refer to
GROUP 17

− Emission Control − Diesel

Particulate Filter (DPF) System

− Forcible

DPF Regeneration ).

NO :

Intermittent malfunction (Refer to GROUP
00

− How to Use Troubleshooting/

Inspection Service Points

− How to Cope

with Intermittent Malfunctions ).

TROUBLESHOOTING

DIESEL FUEL

13A-199

Code No. P0381: Glow Plug Open/Short Malfunction <Euro5>

1

2

3
4

1

1

1

1

AKB00259

Wire colour code
B: Black LG: Light green G: Green L: Blue W: White Y: Yellow SB: Sky blue BR: Brown O: Orange GR: Grey
R: Red P: Pink V: Violet PU: Purple SI: Silver

W

Glow System Circuit

Engine control relay

Glow control unit

A-20X

R

To engine-ECU

10

20A

Fusible link

Relay
box

W-R

W-B

W-B

W-B

23

Fusible link 24

2

3

6

1

9

120

126

7

1

2

3

4

2

Y

Y

B

GR-R

LG-R

L

BR-Y

G

G-R

R

L-B

1

4

3

A-150

1

A-153

C-103

Engine-
ECU

No.1
Glow plug

No.2
Glow plug

No.3
Glow plug

No.4
Glow plug

A-154

A-155

A-156

1

1

1

GND

10

OFF

ON

1

4

A-115

A-151

3

AB