Civic L4-1590cc 1.6L SOHC (VTEC) (1992)
Linear Air Fuel Sensor: 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