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)

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Preparation For Test



Preliminary work:
Perform Diagnosis, Check Diagnostic Trouble Code (DTC) Memory.

Preparation for Test:
1. Fuses OK.
2. Battery voltage > 11 V.
3. Install model specific HHT module into HHT.
4. Voltage to control modules and CAN data lines Ok.
5. Connect the Hand-Held Tester (HHT) to X11/4.

Special Tools:






Conventional Tools, Test Equipment
Description Brand, Model, etc
Multimeter 1) Fluke models 23, 83, 85, 87, 88

1)Available through the MBNA Standard Equipment Program