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

Component Tests and General Diagnostics





BLIND SPOT MONITORING (BSM) CONTROL MODULE INSPECTION

1. Disconnect the negative battery cable.

2. Remove the rear combination light. Service and Repair

3. Remove the rear bumper. Removal and Replacement

4. Connect the negative battery cable. Removal and Replacement Removal and Replacement Removal and Replacement

5. Measure the voltage at each terminal is as indicated in the Terminal Voltage Tables.

- If the voltage or continuity is not as specified in the Terminal Voltage Table, inspect the parts under "Inspection item (s)".

- If the system does not operate normally even though the related wiring harness and short cord are normal, replace the BSM control module.

Terminal Voltage Table (Reference)





BSM control module (LH)





BSM control module (RH)