Ford Corsar Repair Manual page 199

TROUBLE DIAGNOSES
DIAGNOSTIC PROCEDURE 2 (Cont'd)
ENGINE CRANKS BUT WILL NOT RUN
Note: This chart should only be consulted after performing
"Self Diagnosis System Check"
Check fuel tank quantity ok.
Disconnect &/injector electrical connectors
ignition coil & Coil driver electrical connectors.
Connect test lamp across one injector connector.
"Ensure that no short to earth or across terminals occurs".
Turn on ignition.
I
I
Using a test lamp or multimeter check
power on AN63 of the two ignition coil
connectors and to each injector
connector.
Light "on"
a
1
Repair short on circuit AN130.
1
Power Ok
a
No Power
a
Using a multirneter check each of AN01
and AN02 voltages at the coil driver
module harness plugs, to engine earth.
(Lead Positive to AN01 or AN02)
I
Repair power circuit AN63.
I
Voltage
over 0 . 8 ~
r
Ignition off.
After at least 10 seconds key off, check AF66 pump power line
with test lamp or multirneter. Power should be on for Tat
least 3 seconds after ignition key is turned on again.
ECM faulty.
(Check driver module for damage).
I
Ignition off.
Reconnect coil connectors and coil driver connectors.
Connect E7176 spark checker. (See Note)
Check for spark during cranking.
Check both inlet and exhaust, 2 Leads each.
'A few sparks then nothing is considered no spark".
See Diagnostic Procedure 3.
A
Go to
@
on the next page.
6
NOTE:
use
E7776 or equivalent. Do not use a sparkplug in open air earthed to the engine as an indication of
sufficient "spark Only a few kilovolts are required to jump the gap of a spark plug outside of the
engine, and that would be an inadequate test of the ignition coil output ability