Operation CHARM: Car repair manuals for everyone.

Computers and Control Systems: Specifications

CRANKSHAFT POSITION SENSOR
Resistance between terminals 1 & 2 1k ohms

ENGINE COOLANT TEMPERATURE SENSOR
Resistance @ 68°F (20°C) Approx. 2.5K ohms
Resistance @ 176°F (80°C) Approx. 200 - 300 ohms

ENGINE SPEED SENSOR
Resistance between terminals 1 & 2 1k ohms

EVAPORATIVE EMISSION FREQUENCY VALVE
Resistance between terminals Approx. 30 - 60 ohms

EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR
Voltage at harness connector, ignition ON 5 VDC
Resistance, sensor submerged in boiling water 80K to 160 ohms


EXHAUST GAS RECIRCULATION FREQUENCY VALVE
Duty cycle 32° ± 10% at 2000 RPM
Resistance between terminals 25 - 35 ohms

FUEL INJECTORS
Resistance between terminals 15 - 17 ohms

IDLE AIR CONTROL VALVE
Resistance between terminals 7.5 - 8.5 ohms

INTAKE AIR TEMPERATURE SENSOR
Resistance @ 68°F (20°C) approx. 450 - 525 ohms
Resistance @ 190°F (88°C) approx. 525 - 600 ohms

HEATED OXYGEN SENSOR
Voltage output @ operating temperature above 575°F (300°C)
Range 0.1 - 1.0 VDC
Nominal 0.3 - 0.6 VDC