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-Test

BCM SELF-TEST[BCM]




1. Connect the M-MDS to the DLC-2.
2. Set up the M-MDS (including the vehicle recognition)
3. Verify the following vehicle conditions:
- All the switches are turned off (except the ignition switch).
- All the doors, hood, and liftgate are closed.
- All the doors, and liftgate are unlocked.
- Parking brake lever is pulled.

4. Start the engine.

NOTE: If the engine is not running, the BCM determines that the oil pressure switch malfunction.

5. Perform procedures according to directions on the M-MDS screen.
6. Verify if any DTCs are displayed.
- If any DTCs are displayed, perform the troubleshooting according to the corresponding DTC inspection.

7. Disconnect the M-MDS.