Operation CHARM: Car repair manuals for everyone.

General Information





Component Location





General Description

All 10 units which consists of the Body Electrical Control System are linked by CAN* line.
They are IPM (Inter Panel Module), FAM (Front Area Module), PDM (Power Distribution Module),
DDM (Drive Door Module), ADM (Assist Door Module), CLU (Cluster), PSM (Power Seat Module),
SCM (Steering Control Module), RAM (Rear Area Module), SMK (Smart Key).
* CAN (Controller Area Network) : CAN is serial bus communication type which links not only communication system but also control units each other.
*2 LIN (Local Interconnect Network) : LIN is serial communication type which is used in electrical control system.






DTC Description

"B1624" is set when FAM detects write/read failure in EEPROM.

DTC Detecting Condition





Diagnostic Circuit Diagram














Signal Waveform & Data




Fig 1) CAN Low/High Signal




Fig 2) CAN BUS VOLTAGE LEVEL (LOW SPEED CAN)