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
Component Test
OXYGEN SENSOR HEATER RESISTANCE Using an Ohmmeter, measure the resistance between terminal +B and HT.
Testing OS Heater Resistance:
Resistance (Cold): 5.1 - 6.3 ohms
If the heater element does not measure as specified, replace the
Oxygen Sensor.