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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Body Control Module: Testing and Inspection





BCM Diagnosis With Scan Tool

1. It will be able to diagnose defects of IPM with scan tool quickly. Scan tool can operates actuator forcefully, input/output value monitoring and self diagnosis.
2. Select model and "BCU".




3. Select the module to check.




4. Select "Input/output monitoring", if you will check current data of body network system. It provides input/output status of each module.








5. If you will check each module data operation forcefully, select "Actuation test".








6. To check the DTC of the each module, select "DIAGNOSTIC TROUBLE CODES"