Ford Corsar Repair Manual page 236

TROUBLE DIAGNOSES
W
Electrical Components Inspection (Cont'd)
"Data are reference values
ECM and harness terminal layout
Terminal
No.
41
42
43
44
45
46
47
48
49
50
5 1
52
ENGINE CONTROL UNIT
EGI HARNESS
Item
IAC
valve output
Diagnostic request ground
Diagnostic request
Not connected
Not connected
Not connected
Not connected
ECM earth
Ignition
Battery input
Injector driver
Condition
Engine running
Ignition "ON"
Ignition 'ON"
Engine running
Ignition 'ON"
Ignition 'OFF"
Not applicable
"Data
Switching >8.5v to
<
1 . 8 ~
0
volts
5 volts, 0 volts with
bridge inserted
0 volts
Battery voltage
Battery voltage
Not applicable