Electrical Specifications

Air Flow Sensor
Between terminals 3 and 4 500 - 1000 ohms
Between terminals 2 and 3 (flap moved) Resistance change

Coolant Temperature Sensor
Between sensor terminals See Chart

Digifant II Control Unit
Power supply to terminal 14 Battery Voltage
Engine speed limit 6500 +/- 50 RPM

Fuel Injector
All injectors at the fuel rail plug connector 3.7 - 5.0 ohms
Each injector disconnected 15 - 20 ohms

Intake Air Temperature Sensor
Between terminals 1 and 4 See Chart

Oxygen Sensor
Preheat Resistor Cold - less than 68°F (20°C) 3 ohms
Preheat Resistor Hot - greater than 662°F (350°C) 13 ohms
Output Voltage (with CO adjustment within specs) 0.3 - 0.7 volts

Tune-up Specifications
Air/Fuel Ratio 0.7%
Air/Fuel Ratio-Limits [1] 0.3 - 1.1%
Timing [2] 6° +/- 1° BTDC
Timing Advance [3] 30° +/- 3° BTDC
Idle RPM [4] 800 +/- 50

[1] Check CO with the oxygen sensor connected.
[2] AT 2300 RPM, and coolant temperature sensor disconnected.
[3] Normal operating temperature, with coolant temp. sensor connected, at 2300 RPM. Add initial timing.
[4] A/C off.