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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Rough Road Signal From ABS/ASR Control Module

NOTES:
- The circuit for the actual engine torque signal (MMI) is monitored by the ASR control module.
- The circuit for the specified engine moment signal (MMS) is monitored by the ECM and the ASR control modules.
- Vehicles with ASR can be identified by the ASR lamp in the instrument cluster or by the ABS/ASR On Board Diagnostic.

Test requirements
- ECM coding OK.