MPI <4G1> -
Troubleshooting
13A-70
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/En-
Idling condition
becomes different
Code No.
P0201
13A-26
02
Cut fuel to No. 2
injector
gine is idling
(Cut the fuel supply to each
injector in turn and check
(becomes unsta-
ble).
Code No.
P0202
03
Cut fuel to No. 3
injector
cylinders which don’t affect
idling.)
Code No.
P0203
04
Cut fuel to No. 4
injector
Code No.
P0204
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. 26
13A-60
according
to both the
above
condi-
tions.
Listen near
the fuel tank
for the
sound of fuel
pump
operation.
Sound of operation
is heard.
08
Purge
control
solenoid
valve
Solenoid valve
turns from OFF
to ON.
Ignition switch: ON
Sound of operation
can be heard when
solenoid valve is
driven.
Code No.
P0443
13A-34
10
EGR
control
solenoid
valve
Solenoid valve
turns from OFF
to ON.
Ignition switch: ON
Sound of operation
can be heard when
solenoid valve is
driven.
Code No.
P0403
13A-32
20
Condenser
fan
Drive the fan
motors
(condenser)
D
Ignition switch: ON
D
A/C switch: ON
Fan motor runs
Procedure
No. 23
13A-58
21
Radiator
fan
Drive the fan
motors
(radiator)
D
Ignition switch: ON
Fan motor runs
Procedure
No. 23
13A-58