DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Yes
3epair poor con-
act in all connec-
ors in fuel injector
:ircuit.
3epair battery
;hort circuit
in
har-
less between
ICM and fuel
njector. After
epair, replace the
ICM. <Ref. to
W(D0HC
Ingine Control
vlodu1e.B
rURBO)-47,
No
Repair harness
and connector.
NOTE:
In
this case, repa
the following:
Open circuit
in
harness between
main relay and fue
injector connector
on faulty cylinders
Poor contact in
coupling connectc
Poor contact in
main relay connec
tor
Poor contact in
fuel injector con-
nector on faulty
cylinders
Go
to step
8.
Step
I
CHECK POWER SUPPLY LINE.
1)Turn the ignition switch to
ON.
Check
Is
the voltage more than
10
V?
CHECK HARNESS BETWEEN FUEL INJEC-
TOR AND ECM CONNECTOR.
1)Turn the ignition switch to
OFF.
2)Disconnect the connector from fuel injector
on faulty cylinder.
3)Turn the ignition switch to
ON.
4)Measure the voltage between ECM connec-
tor and chassis ground on faulty cylinders.
Connector
&
terminal
#1 (8137)
No.
1
(+)
-
Chassis
ground
(-)I
#2
(8136)
No.
6
(+)
-
Chassis
ground
(-):
#3 (8136)
No.
5
(+)
-
Chassis
ground
(-):
ground
(-):
I
CHECK FUEL INJECTOR.
#4
(8136)
NO.
4
(+)
-
Chassis
1)Turn the ignition switch
to
OFF.
2)Measure the resistance between fuel injector
terminals on faulty cylinder.
Terminals
NO.
1
-NO.
2:
1
CHECK INSTALLATION OF CAMSHAFT PO-
SlTlON SENSOWCRANKSHAFT POSITION
SENSOR.
10
CHECK CRANKSHAFT SPROCKET.
Remove the timing belt cover.
EN(D0HC TURBO)-I76
Is
the voltage more than 10
V?
Is
the resistance less than 1
R?
Is
the camshaft position sensor
or
crankshaft position sensor
loosely installed?
Is the crankshaft sprocket
rusted or does it have broken
teeth?
3eplace the faulty
uel injector <Ref.
o
FU(D0HC
rURBO)-37, Fuel
njector.> and
ICM <Ref. to
W(D0HC
Ingine Control
vlodule.>
righten camshaft
iosition sensor or
:rankshaft posi-
ion sensor.
3eplace the crank-
;haft sprocket.
:Ref. to
vlE(D0HC
;rankshaft
Sprocket.>
rURBO)-47,
rURBO)-58,
Go
to step
9.
Go
to step
10.
Go
to step
11.
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