Ford Corsar Repair Manual page 338

Check E.C.U. pin terminals for
damage or the connection of
E.C.U. harness connector.
TROUBLE DIAGNOSES
1
KA24E
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Diagnostic Procedure 24
AIR FLOW METER (Code No. 1 2 )
INSPECTION START
F
CHECK POWER SUPPLY.
1) Disconnect air flow meter
harness connector.
2) Turn ignition switch "ON".
3) Check voltage between termi-
nal @ and ground.
Voltage: Battery voltage
5
Check the following;
Harness connectors
Harness continuity between
E.C.C.S. relay and air flow
meter
If N.G., repair harness or con-
nectors.
•
E
- I T
1 0 1
CONNECTOR
7A-T
@
SEF9181
B
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W f i K I T U F
f i ~ j i i
FAIL
a/
1
A I R
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i
1
i
1
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F
.
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-
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S E F 5 8 5 1
ME
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-IT
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SEF91g1
. .
--
CHECK GROUND CIRCUIT.
1) Turn ignition switch "OFF".
2) Disconnect E C . U harness
connector.
3) Check harness continuity be-
tween terminal
@
and E.C.U.
terminal
@.
Continuity should exist.
.
N.G.
,
Repair harness or connectors.
. .
CHECK INPUT SIGNAL CIRCUIT.
@
1) Reconnect air flow
meter harness connec-
tor and E.C.U. harness
connector.
2) Start engine and warm
it up sufficiently.
3) Read air flow meter
signal in "DATA
MONITOR" mode with
CONSULT.
v0ltagc;: 0.8
-
1 .SV
OR
@
1) Check harness conti-
nuity between terminal
@
and E.C.U. terminal
G .
Contlnulty should exist.
. .
- ! & +l
Repair harness or connectors.
I
Replace air flow meter.
CHECK COMPONENT
(Air flow meter).
Refer to "Electrical Components
Inspection".
(See
page ES-2 13)
N . G . ,