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)
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Sensor Heating Element Test
Oxygen Sensor And Connector:
Oxygen Sensor Connector Identification And PINOUT:
1.
Disconnect the Heated Oxygen Sensor (HO2S), electrical connector from the wiring harness.
2.
Set DVOM to read OHMS. Connect the ohmmeter between the heater feed and heater ground (terminals 3 and 4), of the sensor electrical connector.
3.
Resistance should be between 5 and 7 ohms, if not replace the sensor.
