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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O2 Sensor Signal and Heater Test
Special Tools:
Equipment -
Digital multimeter -- SUN DMM-5, Fluke model 23
NOTE: If the
O2-sensor signal is not present, the O2-sensor malfunction indicator in the instrument cluster should light up within five minutes after starting engine.
\R�Test Procedure:
Fig. 1:
Fig. 2:
