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Coolant Temperature Sensor / Switch HVAC: Testing and Inspection

INSPECT ENGINE COOLANT TEMPERATURE RECEIVER GAUGE RESISTANCE
a. Remove the meter cover, A/C and combination meter integrated ECU and combination meter circuit plate.







b. Measure the resistance between terminals with fixing pointer to the stopper.
If resistance value is not as specified, replace the receiver gauge.

HINT: This circuit includes the diode.

If resistance value is not as specified, replace the receiver gauge.

If resistance value is not as specified, replace the engine coolant temperature sender gauge.
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