Mitsubishi L200. Manual - part 188

TROUBLESHOOTING

DIESEL FUEL

13A-548

47

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 

− 5 deg

Code No. 
P0122, 
P0123

P.13A-124

, 

P.13A-131

Fully open the 
throttle valve with 
your finger

73 deg or 
higher

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

DIESEL FUEL

13A-549

56

Engine 
revolution

• Engine: Cranking

• Tachometer: 

Connected

Compare engine 
speed on tachometer 
with the value 
displayed on M.U.T.-
III

Matched

−

−

• Engine: Idle 

operation

• Transmission: 

Neutral <M/T> or 
P range <A/T>

• A/C switch: OFF

When the engine 
coolant temperature: 
−20°C

1,100 r/min 
<Euro5>
900 r/min 
<Except 
Euro5>

When the engine 
coolant temperature: 
0

°C

1,100 r/min 
<Euro5>

900 r/min *

1

650 r/min 
<Vehicles for 
Morocco>

When the engine 
coolant temperature: 
25

°C

700 r/min *

2

850 r/min *

1

When the engine 
coolant temperature: 
40

°C

600 r/min 
<Euro5-M/T>

650 r/min *

3

800 r/min *

1

When the engine 
coolant temperature: 
80

°C

600 r/min 
<Euro5-M/T>

650 r/min *

4

700 r/min *

5

63

Rail 
pressure 
sensor

• Engine coolant 

temperature: 85 

− 

95

°C 

• Lights and all 

accessories: OFF

• Transmission: 

Neutral <M/T> or 
P range <A/T>

Idling

Rail pressure 
target 

± 10 

MPa

Code No. 
P0191, 
P0192, 
P0193

P.13A-143

, 

P.13A-147

, 

P.13A-155

Depress the 
accelerator pedal 
gradually

Rail pressure 
target 

± 15 

MPa

64

Rail 
pressure 
target

• Engine coolant 

temperature: 85 

− 

95

°C 

• Lights and all 

accessories: OFF

• Transmission: 

Neutral <M/T> or 
P range <A/T>

Idling

20 

− 35 MPa Code No. 

P0191, 
P0192, 
P0193

P.13A-143

, 

P.13A-147

, 

P.13A-155

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

DIESEL FUEL

13A-550

66

Supply 
pump 
learned 
value

Ignition switch: ON

−300 to 300 
mA

−

−

67

Supply 
pump target 
value

• Engine coolant 

temperature: 85 

− 

95

°C

• Lamps and all 

accessories: OFF

• Transmission: 

Neutral <M/T>, P 
range <A/T>

Idling

1,700 

− 1,900 

mA

−

−

Depress the 
accelerator pedal 
gradually

Decreases in 
response to 
the pedal 
depression 
stroke

72

1st and 2nd 
rail switch 
<M/T>

Ignition switch: ON

Shift position: 1st or 
2nd

ON

Procedure 
No. 18

P.13A-497

Shift position: except 
1st or 2nd

OFF

73

Reverse 
shift switch 
<M/T>

Ignition switch: ON

Shift position: 
reverse

ON

Procedure 
No. 19

P.13A-501

Shift position: except 
reverse

OFF

75

Power 
steering fluid 
pressure 
switch

Engine: Idle 
operation

Steering wheel 
stationary

OFF

Procedure 
No. 24

P.13A-514

Steering wheel 
turning

ON

76

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

ON

Procedure 
No. 26

P.13A-525

Other than the above

OFF

77

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

• Heater temperature setting: Maximum

• Blower fan: ON

• 2 seconds later after the engine has 

start up

• The PTC heater 1 has been ON 

continuously 45 seconds or more

ON

Other than the above

OFF

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

DIESEL FUEL

13A-551

114

Air flow 
sensor

• Engine coolant 

temperature: 85 

− 

95

°C

• Lights and all 

accessories: OFF

• Transmission: 

Neutral <M/T> or 
P range <A/T>

Idle operation

725 

− 935 

mg/cyl

Code No. 
P0102, 
P0103

P.13A-68

, 

P.13A-75

, 

117

No. 1 
exhaust gas 
temperature 
sensor 
<Euro5>

Engine: Idling after 
warming up the 
engine

When the exhaust 
gas temperature is 
150

°C

150

°C

Code No. 
P0545, 
P0546

P.13A-260

, 

P.13A-263

When the exhaust 
gas temperature is 
300

°C

300

°C

When the exhaust 
gas temperature is 
450

°C

450

°C

When the exhaust 
gas temperature is 
600

°C

600

°C

When the exhaust 
gas temperature is 
750

°C

750

°C

118

No. 2 
exhaust gas 
temperature 
sensor 
(catalyst 
temperature
) <Euro5>

Engine: Idling after 
warming up the 
engine

When the catalyst 
temperature is 
150

°C

150

°C

Code No. 
P0427, 
P0428

P.13A-231

, 

P.13A-234

When the catalyst 
temperature is 
300

°C

300

°C

When the catalyst 
temperature is 
450

°C

450

°C

When the catalyst 
temperature is 
600

°C

600

°C

When the catalyst 
temperature is 
750

°C

750

°C

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page