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Home >> Volvo >> 1993 >> 940 Base, 4D Sedan, AW70L >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Engine Controls - Sensor Operating Range Charts) >> Sensor Range Charts

Sensor Range Charts

WARNING: This page is about a different car, the 1994 Volvo 960, 1994 Volvo 940, and 1994 Volvo 850. However, it is still accessible from the selected car via links, so may be relevant.
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