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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.

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.)

Step 1:




Step 1 (Continued)-4:






COMPONENT INSPECTION

Intake Sensor
After disconnecting intake sensor connector M254, measure resistance between terminals 1 and 2 at sensor side. Refer to the table given.






If NG, replace intake sensor.