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

Traction Control/ABS Electronic Control Unit (ECU)

The ECU is programmed to detect both permanent and intermittent faults. Faults detected by the ECU are stored in an EEPROM chip, so the fault codes remain in memory even when power supply is switched off or interrupted.