Mitsubishi L200. Manual - part 195

 

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Mitsubishi L200. Manual - part 195

 

 

TROUBLESHOOTING

DIESEL FUEL

13A-576

4. After repair or replacement, recheck with the 

voltmeter to confirm that the repair has corrected 
the problem.

Engine-ECU Connector Terminal Arrangement

AK800887

91 92 93 94 95 96 97 98

99

100

111

110

101

103

102

105

104

106 107

109

108

113

112

121

120

115

114

123

122

116
124

117

125

119

118

127

126

128 129 130

1

2

3

4

5 6 7 8 9

10 1112 13 14 15 16 17 18 19 20 21 22 23 24

25 26

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72

43 44 45 46 47 48

73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96

101 102

103104 105 106107 108109 110 111112 113 114115

118119 120 121122 123124 125126127 128 129130

131132 133 134135 136137 138139140 141142 143

146147 148 149150 151152 153154155 156 157158

117

145

116

144

AB

D-215

D-213

Engine-ECU connector

Terminal 
No.

Check item

Inspection condition (engine status)

Normal condition:

6

PTC heater control 
signal <Vehicles 
with PTC heater>

• Heater temperature setting: Maximum

• Blower fan: ON

System voltage

Other than the above

1 V or less

8

A/C switch

Engine: Idle speed 
(after warning up)

A/C switch: OFF

1 V or less

A/C switch: ON (A/C 
compressor in 
operation)

System voltage

9

Back-up lamp shift 
switch
<M/T>

Ignition switch: ON

Shift position: Reverse

System voltage

Shift position: Except 
reverse

1 V or less

10

Rear window 
defogger relay
<Euro5>

Engine: Idling after 
warning up the 
engine

Rear window defogger: 
OFF

1 V or less

Rear window defogger: 
ON

System voltage

11

1st and 2nd shift 
switch
<M/T>

Ignition switch: ON

Shift position: 1st

System voltage

Shift position: Except 
1st

1 V or less

12

A/C load signal 
<Vehicles with 
automatic A/C>

• Engine: Idling 

after warning up 
the engine

• A/C switch: ON

A/C compressor clutch 
not in operation

1 V or less

A/C compressor clutch 
in operation

1 V or less 

⇔ System 

voltage (Changes 
repeatedly)

13

4LLC switch <M/T-
high power engine 
vehicle>

Ignition switch: ON

Shift position: Except 
4LLC

1 V or lower

Shift position: 4LLC

System voltage

17

Variable geometry 
solenoid control 
valve <Euro5>

Ignition switch: ON

System voltage

Engine: Acceleration

Changed in accordance 
with amount of depression 
of accelerator pedal

TROUBLESHOOTING

DIESEL FUEL

13A-577

19

A/C compressor 
relay

Engine: Idle speed 
(after warning up)

A/C switch: OFF

System voltage

A/C switch: ON (A/C 
compressor in 
operation)

1 V or less

20

Glow plug relay 
<Except Euro5>

Ignition switch: OFF 
→ ON

Engine coolant 
temperature: lower than 
60 

°C

1 V or less 

→ System 

voltage (after several 
seconds have elapsed)

Engine coolant 
temperature: higher 
than 60 

°C

System voltage

21

Condenser fan relay 
<Vehicles with A/C 
condenser fan>

Engine: Idling after 
warming up the 
engine

A/C switch: OFF

System voltage

A/C switch: ON

1 V or less 

⇔ System 

voltage (Changes 
repeatedly)

22

Glow lamp

• Ignition switch: OFF → ON

• Engine coolant temperature: lower than 

60

°C

1 V or lower 

→ System 

voltage (after several 
seconds have elapsed)

36

EGR gas 
temperature sensor
<Euro5>

Engine: Idling after 
warming up the 
engine

Intake air temperature: 
20 

°C

4.2 

− 4.6 V

Intake air temperature: 
50 

°C

3.7 

− 4.1 V

Intake air temperature: 
100 

°C

2.7 

− 3.1 V

Intake air temperature: 
200 

°C

1.2 

− 1.5 V

Intake air temperature: 
400 

°C

0.3 

− 0.4 V

37

Manifold absolute 
pressure sensor

Ignition switch: ON

0.7 

− 1.2 V

Engine: Acceleration

Increases

38

No. 2 intake air 
temperature sensor 
<Except Euro5>

Ignition switch: ON

Intake air temperature: 
−20 °C

4.0 

− 4.6 V

Intake air temperature: 
0 

°C

3.1 

− 3.7 V

Intake air temperature: 
20 

°C

2.1 

− 2.7 V

Intake air temperature: 
40 

°C

1.2 

− 1.8 V

Intake air temperature: 
60 

°C

0.6 

− 1.2 V

Intake air temperature: 
80 

°C

0.3 

− 0.9 V

Terminal 
No.

Check item

Inspection condition (engine status)

Normal condition:

TROUBLESHOOTING

DIESEL FUEL

13A-578

39

Battery temperature 
sensor <Euro5>

Ignition switch: ON

Battery temperature 
ambient air 
temperature: 

−20 °C

3.9 

− 4.5 V

Battery temperature 
ambient air 
temperature: 0 

°C

3.2 

− 3.8 V

Battery temperature 
ambient air 
temperature: 20 

°C

2.3 

− 2.9 V

Battery temperature 
ambient air 
temperature: 40 

°C

1.4 

− 2.0 V

Battery temperature 
ambient air 
temperature: 60 

°C

0.7 

− 1.3 V

Battery temperature 
ambient air 
temperature: 80 

°C

0.3 

− 0.9 V

40

Throttle position 
sensor

• Remove the 

intake air hose at 
the throttle body

• Disconnect the 

connector of the 
electronic-
controlled throttle 
valve

• With the special 

tool test harness 
(MB991658) 
bridge only the 
mating terminals 
of No. 1, No. 2, 
and No. 4 of the 
disconnected 
connectors

• Ignition switch: 

ON (engine 
stopped)

Fully close the throttle 
valve with your finger

0.3 

− 0.7 V

Fully open the throttle 
valve with your finger

4.0 V or more

43

PTC heater relay 1 
<Vehicles with PTC 
heater>

• Engine coolant temperature: lower than 

75

°C

• Heater temperature setting: Maximum

• Blower fan: ON

• 2 seconds later after the engine has start 

up

1 V or less

Other than the above

System voltage

Terminal 
No.

Check item

Inspection condition (engine status)

Normal condition:

TROUBLESHOOTING

DIESEL FUEL

13A-579

44

PTC heater relay 2 
<Vehicles with PTC 
heater>

• Engine coolant temperature: lower than 

75

°C

• Heater switch (warm up switch) is ON or 

vehicle speed is 20 km/h or more

• Blower fan: ON

• Heater temperature setting: Maximum

• 2 seconds later after the engine has start 

up

• The PTC heater 1 has been ON 

continuously 45 seconds or more

1 V or lower

Other than the above

System voltage

46

Engine check lamp Ignition switch: LOCK (OFF) 

→ ON

1 V or lower 

→ System 

voltage (after 5 seconds 
have elapsed)

47

DPF lamp

Ignition switch: LOCK (OFF) 

→ ON

1 V or lower 

→ System 

voltage (after 5 seconds 
have elapsed)

55

Fuel temperature 
sensor

Ignition switch: ON

Fuel temperature: 

−20 

°C

3.9 

− 4.5 V

Fuel temperature: 0 

°C 3.1 − 3.7 V

Fuel temperature: 20 

°C 2.1 − 2.7 V

Fuel temperature: 40 

°C 1.2 − 1.8 V

Fuel temperature: 60 

°C 0.6 − 1.2 V

Fuel temperature: 80 

°C 0.2 − 0.8 V

56

Exhaust differential 
pressure sensor
<Euro5>

• Remove the 

pressure hoses, 
which are 
connected to 
each end of the 
exhaust 
differential 
pressure sensor.

• Ignition switch: 

ON

Leave each end open.

0.5 

− 1.5 V

Connect a manual 
pump (pressure-
application type) to the 
nipple on one side, and 
apply pressure.

Changes depending on 
the pressure

57

Exhaust gas 
recirculation 
position sensor

Engine: Idling (after warning up)

2.0 V or more

Engine: 3,500 r/min (after warning up)

1.5 V or less

58

No. 1 exhaust gas 
temperature sensor
<Euro5>

Engine: Idling after 
warming up the 
engine

Exhaust gas 
temperature: 200 

°C

4.0 

− 4.6 V

Exhaust gas 
temperature: 400 

°C

2.4 

− 3.0 V

Exhaust gas 
temperature: 600 

°C

1.2 

− 1.8 V

Exhaust gas 
temperature: 800 

°C

0.5 

− 1.1 V

Terminal 
No.

Check item

Inspection condition (engine status)

Normal condition:

 

 

 

 

 

 

 

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