MPI <4G6> -
Troubleshooting
13A-80
ACTUATOR TEST REFERENCE TABLE
Item
No.
Inspection
item
Drive contents Inspection contents Normal condition Inspection
procedure
No.
Reference
page
01 Injectors Cut fuel to No.
1 injector
Engine: After having warmed
up/Engine is idling
Idling condition
becomes different
Code No.
P0201
13A-28
02 Cut fuel to No.
2 injector
(Cut the fuel supply to each
injector in turn and check
cylinders which don’t affect
(becomes unsta-
ble).
Code No.
P0202
13A-28
03 Cut fuel to No.
3 injector
idling.)
Code No.
P0203
13A-28
04 Cut fuel to No.
4 injector
Code No.
P0204
13A-28
07 Fuel pump Fuel pump
operates and
fuel is recircu-
lated.
D
Engine:
Cranking
D
Fuel
pump:
Forced
driving
Inspect
Pinch the
return hose
with fingers
to feel the
pulse of the
fuel being
recirculated.
Pulse is felt. Procedure
No. 28
13A-69
according
to both
the above
conditions.
Listen near
the fuel tank
for the
sound of
fuel pump
operation.
Sound of opera-
tion is heard.
08 Purge
control
solenoid
valve
Solenoid valve
turns from
OFF to ON.
Ignition switch: ON Sound of opera-
tion can be heard
when solenoid
valve is driven.
Code No.
P0443
13A-38
10 EGR con-
trol sole-
noid valve
Solenoid valve
turns from
OFF to ON.
Ignition switch: ON Sound of opera-
tion can be heard
when solenoid
valve is driven.
Code No.
P0403
13A-36
17 Basic igni-
tion timing
Set to ignition
timing adjust-
ment mode
Engine: Idling
Timing light is set
5
_
BTDC - -
21 Fan con-
troller
Drive the fan
motor
Ignition switch: ON Radiator fan and
condenser fan
operate at high
speed
Procedure
No. 25
13A-67
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