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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OE Test Procedure
OXYGEN SENSOR INSPECTION 1.
Warm up engine.
Allow the engine to warm up to normal operating temperature.
2.
Inspect feedback voltage.
Oxygen Sensor Inspection - DVOM Connection:
Connect the positive (+) probe of a voltmeter to terminal VF of the data link connector 1, and negative (-) probe to terminal E1. Perform the test as follows:
Oxygen Sensor Inspection - Part 1 Of 2:
Oxygen Sensor Inspection - Part 2 Of 2: