Operation CHARM: Car repair manuals for everyone.

Oxygen Sensor

COOLANT TEMPERATURE SENSOR (CTS)


100°C (212°F) 177 Ohms
90°C (194°F) 241 Ohms
80°C (176°F) 332 Ohms
70°C (158°F) 467 Ohms
60°C (140°F) 667 Ohms
50°C (122°F) 973 Ohms
40°C (104°F) 1459 Ohms
30°C (86°F) 2238 Ohms
20°C (68°F) 3520 Ohms
10°C (50°F) 5670 Ohms
0°C (32°F) 9420 Ohms
-10°C (14°F) 16180 Ohms
-20°C (-4°F) 28680 Ohms
-30°C (-22°F) 52700 Ohms
-40°C (-40°F) 100700 Ohms


INTAKE AIR OR MANIFOLD AIR TEMPERATURE SENSOR


100°C (210°F) 185 Ohms
70°C (160°F) 450 Ohms
38°C (100°F) 1800 Ohms
20°C (70°F) 3400 Ohms
4°C (40°F) 7500 Ohms
-7°C (20°F) 13,500 Ohms
-18°C (0°F) 25,000 Ohms
-40°C (-40°F) 100,700 Ohms


THROTTLE POSITION SENSOR

Signal Voltage 0.33 - 0.46 volts @ idle
Approx. 4.0 volts @ wide open throttle

OXYGEN SENSOR
Signal Voltage [1] Varying 0.3 - 0.6 Volts

[1] Engine at normal operating temperature, feedback system operating normally in closed loop.