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

System Diagram



Component Connector End Views

Brake Booster Vacuum Sensor (BAS)





Brake Fluid Level Switch





Brake Fluid Pressure Sensor





Electronic Brake Control Module (EBCM) (LAT)








Electronic Brake Control Module (EBCM) (LY7/LZ4)








Electronic Brake Control Module (EBCM) (LE5)








Yaw Rate and Lateral Acceleration Sensor (BAS)





Yaw Rate and Lateral Acceleration Sensor (FX3)





Traction Control Switch





Wheel Speed Sensor (WSS) - Left Front






Wheel Speed Sensor (WSS) - Left Rear






Wheel Speed Sensor (WSS) - Right Front






Wheel Speed Sensor (WSS) - Right Rear