isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Engine Temperature Sensor > < LH Engine Hood Switch|Page 154
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Coolant Temperature Sensor / Switch HVAC: Testing and Inspection

Thermo Switch Testing

Thermo Switch (With A/C)

1.

Place sensor and a thermometer in ice water.

2.

Apply battery positive to terminal 1 and negative to terminal 4.

3.

Check continuity between terminals 2 and 4 as described on image chart.

4.

If not as specified, replace sensor.

Engine Temperature Sensor > < LH Engine Hood Switch|Page 154