Coolant Temperature Sensor/Switch (For Computer): Specifications

IDLE MIXTURE:

Idle CO 0.1%

IDLE SPEED:
Fast Idle Speed:
Manual 1,000 - 2,000 rpm
Automatic 1,000 - 2,000 rpm

Idle speed W/headlights and cooling fan OFF
Manual 750 ± 50 rpm
Automatic (in "N" or "P") 750 ± 50 rpm

IGNITION TIMING:

At Idle 18 ± 2° (RED) BTDC

SENSOR SPECIFICATIONS:

ATMOSPHERIC PRESSURE (PA) SENSOR

Atmospheric Pressure/Output voltage chart
5 in. Hg. (125 mmHg.) 2.5 Volts
10 in. Hg. (250 mmHg.) 2.0 Volts
15 in. Hg. (375 mmHg.) 1.5 Volts
20 in. Hg. (500 mmHg.) 1.0 Volts
25 in. Hg. (625 mmHg.) 0.5 Volts

COOLANT TEMPERATURE (TW) SENSOR

Coolant temperature/resistance

-4° F (-20° C) 20K Ohms
32° F (0° C) 5K Ohms
104° F (40° C) 1K Ohms
176° F (80° C) 350 Ohms
248° F (120° C) 100 Ohms

FUEL INJECTOR

Connector Terminal Resistance 10 - 13 Ohms

INTAKE AIR TEMPERATURE (TA) SENSOR

Intake Air temperature/resistance

-4° F (-20° C) 20K Ohms
32° F (0° C) 5K Ohms
104° F (40° C) 1K Ohms
176° F (80° C) 350 Ohms
248° F (120° C) 100 Ohms

MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP)

Manifold Absolute Pressure/Output voltage chart

5 in. Hg. (125 mmHg.) 2.5 Volts
10 in. Hg. (250 mmHg.) 2.0 Volts
15 in. Hg. (375 mmHg.) 1.5 Volts
20 in. Hg. (500 mmHg.) 1.0 Volts
25 in. Hg. (625 mmHg.) 0.5 Volts

OXYGEN SENSOR

Mixture/Output Voltage

Lean Less Than 0.4 Volts
14.7 to 1 Stoichiometric 0.4-0.6 Volts
Rich More Than 0.6 Volts

THROTTLE ANGLE SENSOR

Throttle Position/Output Voltage Chart

Throttle Closed (Idle) 0.2 Volts
1/4 Throttle 0.5 Volts
1/2 Throttle 1.75 Volts
3/4 Throttle 3.0 Volts
Full Throttle 4.0 Volts