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
Step 1:
Fuel injection signalsPCM terminals -
Fuel Injection No.1: 2BB (+)-Negative battery terminal (-)
-
Fuel Injection No.2: 2BC (+)-Negative battery terminal (-)
-
Fuel Injection No.3: 2BD (+)-Negative battery terminal (-)
-
Fuel Injection No.4: 2AZ (+)-Negative battery terminal (-)
Oscilloscope setting -
10 V/DIV (Y),
10 ms/DIV (X), DC range Vehicle condition
-
Idle after warm-up