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 terminal identification, see TERMINAL IDENTIFICATION in the TESTS W/CODES article.

ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE ⁽¹⁾

Application & Temperature °F (°C)

Ohms

32 (0)

5800

68 (20)

2400

104 (40)

1100

176 (80)

300

⁽¹⁾	Check resistance across ECT sensor terminals.

INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE ⁽¹⁾

Application & Temperature °F (°C)

Ohms

32 (0)

6000

68 (20)

2700

176 (80)

400

⁽¹⁾	Check resistance across IAT sensor terminals No. 5 and 6.