Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 1995 >> 929 V6-3.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Monitors, Trips, Drive Cycles and Readiness Codes
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

Monitors, Trips, Drive Cycles and Readiness Codes

Heated Oxygen Sensor




With the test switch of the System Selector set to "02 Monitor", the heated oxygen sensors (right and left bank) are monitored as described.


pro multis · About Operation CHARM