Mitsubishi MOTORS L200 1996, Workshop Manual

Page: 555 / 1723

DIESEL FUEL <4D5-Step
III
> – Troubleshooting
13I-44
Item
No. Reference
page Code No.
or inspec-
tion proce-
dure No. Value to be
determined
as normal Inspection conditions Check item
25 Accelerator
pedal
iti
Ignition switch: ON Accelerator pedal:
Idling position 0% Code No.
27 13I-20
position
sensor (sub)
Accelerator pedal:
Fully opened position 99 – 100%
31 EGR valve
iti
Engine: After warming
th i
Idling under no load 2.3 – 3.3 V Code No.
51 13I-26
position
sensor (tar-
get value)
g g
up the engine
Engine is suddenly
raced Momentarily
decreases
(0.3 – 0.7V)
51
32 EGR valve
iti
Engine: After warming
th i
Idling under no load 2.3 – 3.3 V Code No.
51 13I-26
position
sensor (ac-
tual value)
g g
up the engine
Engine is suddenly
raced Momentarily
decreases
(0.3 – 0.7 V)
51
33 Variable
geometry Engine: After warming
up the engine
Idling 53 – 59 kPa
Code No.
52 13I-27
g y
control pres-
sure sensor
<4WD>
g
Engine is suddenly
raced Momentarily
increases
NOTE
*
1
: The opening degree of the timing control valve is converted into percentage. (0%: timer non-advanced angle,
100%: timer maximum advanced angle)
*
2
: The opening degree of the EGR solenoid valve is converted into percentage.
SWITCH
Item
No. Check item Inspection conditions Value to be
determined
as normal Code No.
or inspec-
tion proce-
dure No. Reference
page
41 Idle switch Ignition switch: ON
(check by repeated
accelerator operation)
Release the foot from
the accelerator pedal. ON
Code No.
23 13I-17
accelerator operation)
Step on the accelerator
pedal slightly. OFF
43 A/C switch Engine: Idling (The
A/C compressor
should be in operation A/C switch: ON ON Procedure
No. 26 13I-41
should be in operation
when the A/C switch is
“ON”)
A/C switch: OFF OFF
44 Ignition
s itch ST Ignition switch: ON Engine: Stop OFF – –
switch-ST
Engine: Cranking ON
45 Ignition
switch-IG Ignition switch: ON ON – –
46 Control
relay Ignition switch: ON ON – –
47 A/C relay Engine: Idling after
warming up the engine A/C switch: OFF OFF (A/C
compressor
clutch not in
operation) Procedure
No. 26 13I-41
A/C switch: ON ON (A/C
compressor
clutch in
operation)