Operation CHARM: Car repair manuals for everyone.
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

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Fuel Consumption Signal For On-Board Computer, Checking




Fuel Consumption Signal For On-Board Computer, Checking


NOTE:
- The fuel consumption signal is calculated by the engine control module (on the basis of the injection period) and passed on to the on-board computer. The fuel consumption signal is taken from terminal 81 on the Engine Control Module (ECM).
- Checking fuel consumption signal