Ford Corsar Repair Manual page 234

TROUBLE DIAGNOSES
Electrical Components lnspection
ECM Terminal Voltage lnspection
'Data are reference values
"Data
0-5v (varies with temperature)
0.3-4v
4 . 6 - 5 . 2 ~
-0.5 to 1 . 5 ~
0 volts
Switching 0-5v
Switching 0-1 2v
Battery voltage
Less than 2.1 volts
Battery voltage
0 volts
Battery voltage for 3 secs. only
Battery voltage -fans "OFF"
Less than 2.1 volts -fans 'LOW"
Switching >8.5v to <l .8v
Not applicable
Not applicable
Condition
Engine running
Ignition Switch "ON"
Ignition Switch "ON"
Engine running (warmed up)
Ignition Switch 'ON"
Remove fuel pump fuse
and crank engine
Drive vehicle slowly or raise
vehicle and rotate both front wheels
Ignition 'ON"
Engine running
-
both A/C and fan switch "ON"
-either A/C or fan switch "OFF"
Engine running
Ignition 'ON"
Engine running
Engine running
Not applicable
Not applicable
Terminal
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
l5 16
17
18
19
20
Item
Engine temperature sensor
TPS Signal
TPS Supply
Not connected
02sensor signal
02sensor ground
Hall sensor signal
Vehicle speed signal
Hall sensor supply
A/C clutch relay (where fitted)
Not connected
Burn-off control
Fuel pump relay
Fan relay
-
low speed
IAC valve output
1
Not connected
Spark output
-
exhaust
Spark output
-
inlet
Not connected