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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Diagnostic Test Mode

1. When an abnormality is detected in one of the sensors or actuators related with emission control, the SELF-DIAGNOSIS INDICATOR LAMP turns on.
2. When an abnormality is detected in one of the sensors or actuators, a diagnostic trouble code corresponding to the abnormality is output.
3. The data of ROM inside the ECM related with sensors and actuators is read by means of Hi-scan. The actuators can be controlled under certain circumstances.