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

On-Board Diagnostics

ON-BOARD DIAGNOSTICS
If an error occurs in the ECU or the SWS or CAN communication line which performs the SWS or CAN communication, the DTC is memorized in ETACS-ECU. The DTCs have 16 items. The DTCs are checked to connect scan tool MB991958 (M.U.T.-III sub assembly). The memorized DTCs are not erased even if the ignition switch is turned to the "LOCK" (OFF) position. The DTCs are erased to operate scan tool MB991958 (M.U.T.-III sub assembly).

U1700-U1128 / B1702-B1761: