Sensor Range Charts

NOTE: Perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance unless otherwise instructed in test procedure.

AIR TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C)	Ohms
-4 (-20)	15,000
32 (0)	5800
68 (20)	2500
176 (80)	330
212 (100)	160

COOLANT TEMPERATURE SENSOR RESISTANCE

Application	Ohms
14°F (-10°C)	8260-10,560
68°F (20°C)	2280-2720
176°F (80°C)	290-364

FUEL INJECTOR BALLAST RESISTOR RESISTANCE ⁽¹⁾

Application

Ohms

940

5.5-6.5

⁽¹⁾	Unit contains four resistors; one per injector. Check resistance between center terminal and 4 other terminals.

AIR CONTROL VALVE (IDLE VALVE) RESISTANCE

Application	Ohms
940	8

MASS AIRFLOW SENSOR RESISTANCE

Terminals

Ohms

2 & 3 ⁽¹⁾

2.5-4.0

⁽¹⁾	Resistance is measured between these terminals.

OXYGEN SENSOR HEATER RESISTANCE

Temperature °F (°C)	Ohms
68 (20)	2-3
660 (350)	7-14