FUEL SYSTEM <4D5-step
III
> -
Troubleshooting
13-46
Item
No.
Reference
page
Code No.
or inspec-
tion proce-
dure No.
Value to be
determined
as normal
Inspection conditions
Check item
74
EGR control
l
id
Engine: After warming
h
i
Idling (stable condition)
ON
Procedure
N
13-40
solenoid
valve No. 2
g
g
up the engine
When engine is sud-
denly
raced
(EGR
amount decreasing)
OFF (mo-
mentarily)
No. 24
When engine is sud-
denly
raced
(EGR
amount increasing)
ON
ACTUATOR TEST TABLE
Item
No.
Check item
Drive Con-
tents
Inspection
conditions
Value to be determined
as normal
Code No.
or inspec-
tion proce-
dure No.
Reference
page
02
Glow plug relay
Turning the
relay from
Ignition switch:
ON
Battery charge is
energized to the glow
Procedure
No 25
13-41
relay from
OFF to ON or
from ON to
ON
energized to the glow
plug when the glow
plug relay is ON
No. 25
from ON to
OFF
plug relay is ON.
03
A/C compressor
relay
Turning the
relay from
Ignition switch:
ON
The A/C compressor
clutch makes an
Procedure
No 26
13-41
relay
relay from
OFF to ON or
from ON to
ON
clutch makes an
audible sound.
No. 26
from ON to
OFF
11
Timing control
valve
Turn the
timing control
valve to ON
D
Ignition
switch: ON
D
Engine:
Idling
Makes an audible
sound
Code No.
43
13-22
12
Turn the
timing control
valve to OFF
Idling
D
Timer piston
position
sensor:
Normal
15
Glow lamp
Turn the glow
lamp on or off
Ignition switch:
ON
The glow lamp turns
on.
–
–
16
Warning lamp
Turn the
warning lamp
on or off
Ignition switch:
ON
The warning lamp
turns on.
Procedure
No. 3, 4
13-31
22
Condenser fan
relay
Turning the
relay from
OFF to ON or
from ON to
OFF
Ignition switch:
ON
The condenser fan
rotates.
Procedure
No. 19
13-37
23
Throttle solenoid
valve
Turn the
solenoid
valve from
OFF to ON or
from ON to
OFF
D
Ignition
switch: ON
D
Vehicle
speed:
0 km/h
D
Engine
speed:
1,000 r/min
or lower
Makes an audible
sound
Code No.
41
13-21