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

Climate Control Exhaust Gas Sensor: Testing and Inspection

INSPECT SMOG VENTILATION SENSOR




a. Measure the resistance of the connector. (CO, HC)




1. Connect the positive battery's (+) lead to terminal 3 and the negative (-) lead to terminal 6.

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




b. Measure the resistance of the connector. (NOx)




1. Connect the battery's positive (+) lead to terminal 3 and the negative (-) lead to terminal 6.

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