Ford Corsar Repair Manual page 237

TROUBLE DIAGNOSES
F 1
Electrical Components Inspection (Cont'd)
Hall Sensor (Distributor)
With ignition "OFF", disconnect and remove distributor from
vehicle and test according t o the procedure below.
1. Connect Hall sensor, voltmeter and
1.5k
ohm resistor according
t o wiring diagram.
2. Ensure battery is fully charged and rotor trigger vane is outside
air gap.
Voltmeter must register 400mV ( 0 . 4 ~ ) or less at 20°C.
3. Place rotor trigger vane inside air gap.
Voltmeter must register at least 1 1 . 0 ~ at 20°C.
Air Flow Meter
With ignition "OFF", disconnect and remove air flow meter from
vehicle.
1. Apply battery voltage t o terminals 2 and 5.
2. Measure voltage between terminals 3 and 2.
Voltage approximately 1.6 5 0 . 5 ~ .
3.
Blow air through air flow meter and observe the voltage change
between terminals 2 and 3.
Voltage approximately 2-4v.
4. Reconnect air flow meter t o vehicle harness. Do not refit meter
at this stage.
5. Activate forced burn-off as detailed on page ES-24.
6. Visually inspect hot wire t o ensure it heats t o a red glow.