Mitsubishi L200. Manual - part 187

TROUBLESHOOTING

DIESEL FUEL

13A-544

9

Accelerator 
pedal 
position 
sensor 
(main)

Ignition switch: ON

Release the 
accelerator pedal

700 

− 1,300 

mV

Code No. 
P2122, 
P2123, 
P2124

P.13A-333

, 

P.13A-341

, 

P.13A-345

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Depress the 
accelerator pedal 
fully

4,000 mV or 
more

10

Accelerator 
pedal 
position 
sensor (sub)

Ignition switch: ON

Release the 
accelerator pedal

200 

− 800 mV Code No. 

P2127, 
P2128

P.13A-349

, 

P.13A-357

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Depress the 
accelerator pedal 
fully

2,000 mV or 
more

11

Accelerator 
pedal 
position 
sensor 
(main)

Ignition switch: ON

Release the 
accelerator pedal

0 %

Code No. 
P2122, 
P2123, 
P2124

P.13A-333

, 

P.13A-341

, 

P.13A-345

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Depress the 
accelerator pedal 
fully

98 % or more

12

Accelerator 
pedal 
position 
sensor (sub)

Ignition switch: ON

Release the 
accelerator pedal

20 % or 
below

Code No. 
P2127, 
P2128

P.13A-349

, 

P.13A-357

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Depress the 
accelerator pedal 
fully

98 % or more

15

Vehicle 
speed 
sensor

Drive 40 km/h

Approximatel
y 40 km/h

−

−

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

DIESEL FUEL

13A-545

16

EGR valve 
position 
sensor

• Engine: After 

warming up the 
engine

• Transmission: 

Neutral <M/T> or 
P range <A/T>

Idling

50 % or 
more*

6

Code No. 
P0489, 
P0490, 
<Euro5> 
P0405, 
P0406 
<Except 
Euro5>

P.13A-240

, 

P.13A-248

 

<Euro5>

P.13A-219

, 

P.13A-227

 

<Except 
Euro5>

3,500 r/min or more

10 % or 
below

17

EGR valve 
target 
position

• Engine: After 

warming up the 
engine

• Transmission: 

Neutral <M/T> or 
P range <A/T>

Idling

50 % or more Code No. 

P0489, 
P0490, 
<Euro5> 
P0405, 
P0406 
<Except 
Euro5>

P.13A-240

, 

P.13A-248

 

<Euro5>

P.13A-219

, 

P.13A-227

 

<Except 
Euro5>

3,500 r/min or more

10 % or 
below

21

Fuel 
temperature 
sensor

Ignition switch: ON 
or the engine 
running

When the fuel 
temperature is 

−

20

°C

−20°C

Code No. 
P0182, 
P0183

P.13A-134

, 

P.13A-139

When the fuel 
temperature is 0

°C

0

°C

When the fuel 
temperature is 20

°C

20

°C

When the fuel 
temperature is 40

°C

40

°C

When the fuel 
temperature is 80

°C

80

°C

25

A/C switch

Engine: Idling after 
warming up the 
engine

A/C switch: OFF

OFF

Procedure 
No. 22

P.13A-512

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

ON

26

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

• Engine: Idling 

after warming up 
the engine

• A/C switch: ON

A/C compressor 
clutch not in 
operation

ON

Procedure 
No. 23

P.13A-507

When the A/C 
compressor clutch is 
under high load

OFF

27

A/C relay

Engine: Idling after 
warming up the 
engine

A/C switch: OFF

OFF

Procedure 
No. 23

P.13A-512

A/C switch: ON

ON (A/C 
compressor 
clutch in 
operation)

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

DIESEL FUEL

13A-546

28

AT/MT 
switch

Ignition switch: ON

Vehicles with M/T

M/T

−

−

Vehicles with A/T

A/T

29

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

Ignition switch: ON

A/C switch: OFF 
(engine coolant 
temperature at 97

°C 

or lower)

OFF

Procedure 
No. 21

P.13A-507

A/C switch: ON and 
vehicle speed is 
lower than 50 km/h

ON

30

Control relay Ignition switch: ON

ON

−

−

33

Engine 
check lamp

Ignition switch: "OFF" 

→ "ON"

"ON" 

→ 

"OFF" (after 5 
seconds have 
elapsed)

Procedure 
No. 2

P.13A-438

35

Glow lamp

• Ignition switch: "OFF" → "ON"

• Engine coolant temperature: lower than 

60 

°C

"ON" 

→ 

"OFF" (After 
several 
seconds have 
elapsed)

−

−

36

Glow plug 
relay

Ignition switch: 
"OFF" 

→ "ON"

Engine coolant 
temperature: lower 
than 60 

°C

ON

−

−

Engine coolant 
temperature: higher 
than 60 

°C

OFF

38

Ignition 
switch

Ignition switch: ON

ON

−

−

40

Starter 
switch

Ignition switch: ON

Engine: Except 
cranking

OFF

−

−

Engine: Cranking

ON

42

Neutral 
switch <A/
T>

Ignition switch: ON

Selector lever: N or 
P range

N or P

−

−

Selector lever: 
Except N or P range

D or R

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

DIESEL FUEL

13A-547

43

Intake air 
temperature 
sensor No. 1

Ignition switch: ON

Intake air 
temperature: 

−20°C

−20°C

Code No. 
P0072, 
P0073, 
<Euro5> 
P0112, 
P0113 
<Except 
Euro5>

P.13A-43

, 

P.13A-53

 

<Euro5>

P.13A-99

, 

P.13A-57

 

<Except 
Euro5>

Intake air 
temperature: 0

°C

0

°C

Intake air 
temperature: 20

°C

20

°C

Intake air 
temperature: 40

°C

40

°C

Intake air 
temperature: 80

°C

80

°C

45

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

300 

− 700 mV Code No. 

P0122, 
P0123

P.13A-124

, 

P.13A-131

Fully open the 
throttle valve with 
your finger

4,000 mV or 
higher

Item 
No.

Check item Inspection conditions

Value to be 
determined 
as normal

Code No. 
or 
inspection 
procedure 
No.

Reference 
page