Ford Corsar Repair Manual page 211

TROUBLE DIAGNOSES
DIAGNOSTIC PROCEDURE 6
-
IGNITION SYSTEM
Note: This chart should only be consulted after performing Diagnostic Procedure 2
lgnition key "on".
Check voltage on AN63 at each coil
Check voltage on AN22, hall sensor power.
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(Should be battery voltage. min. 10.5~).
Check and repair
1
circuit AN63
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Check and repair
-
Driver module.
-
Ignition coil.
Ok
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No Power
a
Low Voltage
Changing
Voltage.
Check and repair
-
Connection problem
coil to driver module.
-or-
-
Coil defect.
No Change
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ECM defect.
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Check voltage on AN31 using a
multimeter to earth (not AEO1).
Do not use a test lamp.
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Check voltage on "OC"
terminal of each driver module.
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Check voltage at pin 9 of the ECM.
(Should be battery voltage).
Check and repair
AN01 or AN02 as
applicable.
-or-
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Ok Low Voltage
Approx. 5v or below l v
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Check and
repair AN22.
Continue monitoring
Check and repair
distributor Check and repair open
defective.
-or-
AN22 short circuit
to earth.
-or-
ECM defect.
voltage on AN31.
Briefly crank over
the engine.
During or after cranking.
circuit on AEOl to ECM
pin 34.
-or-
distributor defect.
-or-
short AN31 to AN22 or
other power.
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Changed
voltage.
No change
of voltage.
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.
-
Check voltage on AN01 and AN02 (Each in turn)
during cranking.
Does voltage vary during cranking.
Distributor defective
or AN3
1
short circuit
to earth.
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