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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Monitor Scantool Data





Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & Engine "ON".
3. Press the brake pedal.
4. Monitor the "Pressure sensor" parameter on the Scantool.

Specification : Approx. 60 bar ~ 150 bar (There is difference in displayed parameter according to braking force)





fig 1) Test Condition : Ignition "ON" & Engine "ON".
Normal data (There is difference in displayed parameter according to braking force)
5. Whenever brake pedal is pushed down, is the pressure sensor's scantool data changed ?