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)

Or, hide this message: temporarily or permanently

BCM Self-Diagnosis Function




BCM Self-Diagnosis Function

- BCM monitors conditions of the system components and its circuit with ignition switch turned to ON position. When an abnormality in the system occurs, the area where that abnormality lies is stored in the memory of EEPROM in BCM.
- DTC can be checked in either one of following ways.

- DTC can be checked by SUZUKI scan tool (2) connected to DLC (1).
- DTC can be read from flashing pattern of theft deterrent light (3). In addition, when theft deterrent light is flashing for DTC outputting DTC is displayed on combinations meter (4) at the same time.






BCM input / output table