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Home >> Infiniti >> 2007 >> M45 V8-4.5L (VK45DE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Intake Sensor Circuit
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Intake Sensor Circuit

Intake Sensor Circuit

COMPONENT DESCRIPTION




Intake Sensor
The intake sensor is located on the heater & cooling unit assembly. It converts temperature of air after it passes through the evaporator into a resistance value which is then input to the unified meter and A/C amp.




Step 1-2:




Step 3-4:




DIAGNOSIS PROCEDURE FOR INTAKE SENSOR
SYMPTOM: Intake sensor circuit is open or shorted. (24 or -24 is indicated on unified meter and A/C amp. as a result of performing self-diagnosis STEP-2.)

COMPONENT INSPECTION




Intake Sensor
After disconnecting intake sensor connector M82, measure resistance between terminals 1 and 2 at sensor side. Refer to the table.
If NG, replace intake sensor.
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