Evaporator Temperature Sensor / Switch: Testing and Inspection

Intake Sensor Circuit

COMPONENT DESCRIPTION




Intake Sensor
The intake sensor is located on the heater & cooling unit. 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.

Diagnostic Procedure (Steps 1 - 2):

Diagnostic Procedure (Steps 2 - 4):

DIAGNOSTIC 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, using the table below.

If NG, replace intake sensor.