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
Electrical Specifications
Operating voltage range
[1] 0.3 to 1.0 Volts
Voltage fluctuates
[2] More than 5 times in 10 seconds
O2 Heater Resistance
[3] 3 to 1000 Ohms
[1] Engine at operating temperature.
[2] Maintaining engine speed at 2000 RPM.
[3] Measured between terminals a and c of sensor connector.