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Sensor Range Charts

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature - °F (°C)			Ohms
850 & 960
32 (0)			7300
68 (20)			2800
176 (80)			300
212 (100)			150
940
With LH Fuel Injection
14 (-10)			8260-10,560
68 (20)			2280-2720
176 (80)			290-364
With Regina Fuel Injection
14 (-10)			8200-10,600
68 (20)			2200-2800
176 (80)			250-400

ENGINE SPEED (RPM) SENSOR RESISTANCE

Application	Ohms
850	260-340

FUEL INJECTOR BALLAST RESISTOR RESISTANCE

Application

⁽¹⁾ Ohms

940

5.5-6.5

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

FUEL INJECTOR

Application

Ohms

850

Non-Turbo

15.5-16.3

Turbo

14.5

940 ⁽¹⁾

15-17

⁽¹⁾	Vehicles equipped with Regina fuel injection only.

IDLE AIR CONTROL VALVE (COIL) RESISTANCE

Application

Ohms

850

Non-Turbo

7.75-8.30

Turbo ⁽¹⁾

10-14

940 ⁽²⁾

4

960

10-14

⁽¹⁾	Measured between terminals No. 1 and 2, or No. 2 and 3.

⁽²⁾	Vehicles equipped with Regina fuel injection only.

INTAKE AIR TEMPERATURE SENSOR RESISTANCE ⁽¹⁾

Temperature - °F (°C)

Ohms

-4 (-20)

15,000

32 (0)

5800

68 (20)

2500

176 (80)

330

212 (100)

160

⁽¹⁾	Does not apply to 850 turbo and 960.

MASS AIRFLOW SENSOR RESISTANCE

Application

Measure Between Terminals:

Ohms

850 Non-Turbo

1 & 4

110

940 ⁽¹⁾ & 960

2 & 3

2.5-4.0

⁽¹⁾	Vehicles equipped with LH fuel injection only.

OXYGEN SENSOR HEATER RESISTANCE

Temperature - °F (°C)

Ohms

850 Turbo

68 (20)

1.5-2.5

660 (350)

6-10

850 Non-Turbo, 940 ⁽¹⁾ & 960

68 (20)

3

660 (350)

13

⁽¹⁾	Vehicles equipped with Regina fuel injection only.

START FUEL INJECTOR

Application

Ohms

940 ⁽¹⁾

9-11

⁽¹⁾	Vehicles equipped with Regina fuel injection only.

THROTTLE POSITION SENSOR RESISTANCE

Application		Ohms - Between Terminals 1 & 3
850 Non-Turbo
Idle		8-12
Full Load		20-30
850 Turbo
Idle		900-1100
Full Load		2300-2900
940
Idle		2500-5000
Full Load		300-500
Vehicles equipped with LH fuel injection only