Test Description

WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

2

Comparing engine coolant temperature displayed on scan tool with actual coolant temperature as measured with a thermometer, may help in diagnosing problem. If displayed engine coolant temperature is not close to actual temperature, replace ECT sensor. If temperatures are close, problem is intermittent.

7

Testing engine coolant temperature sensor resistance.

ENGINE COOLANT TEMPERATURE SENSOR SPECIFICATIONS

Temperature F° (C°)

⁽¹⁾ Specifications (Ohms)

212 (100)

177

176 (80)

332

140 (60)

667

113 (45)

1188

95 (35)

1802

77 (25)

2796

59 (15)

4450

41 (5)

7280

23 (-5)

12300

5 (-15)

21450

-22 (-30)

52700

-40 (-40)

100700

⁽¹⁾	Temperature vs. resistance values are approximate.