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
Oscilloscope Patterns and Waveforms
HO2S heater control signal -
PCM terminals
-
Front HO2S heater (right bank): 2AW (+)-body ground (-)
-
Front HO2S heater (left bank): 2AS (+)-body ground (-)
-
Rear HO2S heater (right bank): 2AT (+)-body ground (-)
-
Rear HO2S heater (left bank): 2AO (+)-body ground (-)
-
Oscilloscope setting:
5 V/DIV (Y),
500 minutes/DIV (X), DC range
-
Vehicle condition: Idle after warm up (no load)