Acura (Honda) Workshop Service and Repair Manuals

Oxygen Sensor: Electrical Specifications

ATMOSPHERIC PRESSURE (PA) SENSOR

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

BYPASS CONTROL SOLENOID A

Resistance ..........................................................................................................................................................................................................  Continuity

BYPASS CONTROL SOLENOID B

Resistance ..........................................................................................................................................................................................................  Continuity

CRANK SENSOR 1

Resistance

PNK to GRY ...........................................................................................................................................................................................  650 - 900 ohms

CRANK SENSOR 2

Resistance

GRN/WHT to BLK/WHT .......................................................................................................................................................................  650 - 900 ohms

CYL SENSOR 1

Resistance

YEL/GRN to BLU/YEL ..........................................................................................................................................................................  650 - 900 ohms

CYL SENSOR 2

Resistance

ORN to WHT ..........................................................................................................................................................................................  650 - 900 ohms

EGR CONTROL SOLENOID

Resistance ..........................................................................................................................................................................................................  Continuity

EGR LIFT SENSOR

YEL/WHT to BLK/WHT

EGR Fully Closed ...........................................................................................................................................................................................  3.7 k ohms
EGR Fully Open ...............................................................................................................................................................................................  950 ohms

YEL/WHT to GRN/WHT ................................................................................................................................................................................  4.5 k ohms

ELECTRONIC AIR CONTROL VALVE (EACV)

Resistance .......................................................................................................................................................................................................  8 - 15 Ohms

FUEL INJECTOR

Resistance .................................................................................................................................................................................................... 1.5 - 2.5 Ohms

FUEL INJECTOR RESISTOR

Terminals B, C, D, E, F, G to A
Resistance .......................................................................................................................................................................................................... 5 - 7 Ohms

INTAKE AIR TEMPERATURE (TA) SENSOR

Intake Air temperature/resistance
-20°C (-4°F)........................................................................................................................................................................................................20 K Ohms
0°C (32°F).............................................................................................................................................................................................................5 K Ohms
40°C (104°F).........................................................................................................................................................................................................1 K Ohms
80°C (176°F)........................................................................................................................................................................................................350 Ohms
120°C (248°F)......................................................................................................................................................................................................100 Ohms

MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP)

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