Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Evaporator Temperature Sensor / Switch: Testing and Inspection

INSPECTION

1. INSPECT NO.1COOLER THERMISTOR (A/C THERMISTOR)




a. Measure the resistance between terminals 1 and 2 of the thermistor at each temperature, as shown in the chart.




b. Check that the resistance is between the table's "maximum permissible value line" and "minimum permissible value line" for each temperature.

If the result is not as specified, replace the thermistor.