Sensor Operating Range Charts: Notes

NOTE: Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance. For connector and terminal identification, see WIRING DIAGRAMS section.

AIRFLOW METER HERTZ TEST ⁽¹⁾

Condition

750 RPM

22-48

2000 RPM

60-100

⁽¹⁾	Measure hertz frequency with Multi-Use Tester (MUT-II).

COOLANT TEMPERATURE SENSOR RESISTANCE

Application & Temperature °F (°C)	Ohms
68 (20)	2200-2600
176 (80)	264-328

EGR TEMPERATURE SENSOR RESISTANCE TEST ⁽¹⁾

Application & Temperature °F (°C)

Ohms

122 (50)

60-83

212 (100)

11-14

⁽¹⁾	Measure resistance across disconnected sensor terminals.

INTAKE AIR TEMPERATURE SENSOR RESISTANCE

Application & Temperature °F (°C)	Ohms
68 (20)	2300-3000
176 (80)	300-420

OXYGEN SENSOR VOLTAGE TEST ⁽¹⁾

Application

Volts

Lean

0.6

Rich

1.0

⁽¹⁾	Test at normal operating temperature.