Hyundai Workshop Service and Repair Manuals

Air Flow Meter/Sensor: Specifications

Air Flow Sensor

Output voltage (v) At Engine speed (rpm) 
2.7-3.2v..............................................................................................................................................................................................................700 rpm
2.7-3.2v...........................................................................................................................................................................................................3,000 rpm

Barometric Pressure Sensor

Ambient pressure (ignition on, engine off)...............................................................................................................................................Approx. 4.00v
Vacuum 16 in.Hg.....................................................................................................................................................................................Approx. 1.84v
Vacuum 24 in.Hg.....................................................................................................................................................................................Approx. 0.79v

Engine Coolant Temperature Sensor

Sensor Resistance At Water Temperature 
5.9 Kohm................................................................................................................................................................................................................32~F
2.5 Kohm................................................................................................................................................................................................................68~F
1.1 Kohm..............................................................................................................................................................................................................104~F
0.3 Kohm..............................................................................................................................................................................................................176~F

Crank Angle Sensor

Terminal 1 Output (Powered, Cranking Engine).................................................................................................................0.2-1.2v (needle fluctuates)

EGR Control Solenoid Valve

Resistance @ 68°F.........................................................................................................................................................................................38-44 ohm

EGR Temperature Sensor

Sensor Resistance At Water Temperature 
60-83 Kohm..........................................................................................................................................................................................................122~F
11-14 Kohm..........................................................................................................................................................................................................212~F

Ignition Timing

Base timing (at curb idle)...........................................................................................................................................................................5~±2~BTDC
Idle timing......................................................................................................................................................................................................15~BTDC

Injectors

Resistance @ 68°F.........................................................................................................................................................................................13-16 ohm

Air Temperature Sensor (Intake)

Sensor Resistance At Ambient Temperature
5.4 - 6.6 Kohm.........................................................................................................................................................................................................32°F
2.33 - 2.97 Kohm.....................................................................................................................................................................................................68°F
0.31 - 0.43 Kohm...................................................................................................................................................................................................176°F

ISC Motor Coil (Stepper Motor)

Resistance @ 68°F.........................................................................................................................................................................................28-33 ohm

Purge Control Solenoid Valve

Resistance @ 68°F.........................................................................................................................................................................................38-44 ohm

Throttle Position Sensor

TPS Output @ curb idle.................................................................................................................................................................................0.48-0.52v
Resistance...............................................................................................................................Approx 0.5 Kohm smoothly increasing to 3.5-6.5 Kohm