Ford Corsar Repair Manual page 356

TROUBLE DIAGNOSES
p q
Diagnostic Procedure 35
INJECTOR (Not self-diagnostic item)
: No. 1 cylinder
m
: No. 3 cylinder
: No. 2 cylinder
( 3
: No. 4 cylinder
SEF9741
a
: No. 1 cylinder
@ J
: No. 3 cylinder
. No.
2 cylinder
a
: No. 4 cylinder
SEF9761
I
INSPECTION START
1
1
1
CHECK CONTROL FUNCTION. 1O.K.
, I
INSPECTION END
1) Start engine.
2) Check voltage between E.C.U.
terminals
@, @,
@ a
and ground.
Voltage: Battery voltage
CHECK POWER SUPPLY.
1) Stop engine.
Check the following:
Harness connectors
.
-
2) Disconnect injector harness
a Fusible link
connector and E.C.U. harness
connector. Harness continuity between
3) Check voltage between
battery and injector
injector terminal
@
and
sound, E.C.U. terminal
a
Harness continuity between
I
battery and E.C.U.
I
@
and ground.
If N.G., repair harness or con-
Voltage: Battery voltage.
nectors.
I
CHECK OUTPUT SIGNAL
CIRCUIT.
1)
Check harness continuity
between injector terminals
@
and E.C.U. terminals
@hm@@3
Continuity should exist.
Repair harness or connectors.
1
+
CHECK COMPONENT (Injector).
1
N.G.
A
Replace injector.
Refer to "Electrical Components
I
I I
Inspection".
(See
page ES-2 1 7)
Check E.C.U. pin terminals for
damage or the connection of
E.C.U. harness connector.