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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Testing Notes




VAG 1598 TEST BOX, CONNECTING
- Switch OFF ignition.
- Connect VAG 1598 Test Box to Engine Control Module (ECM) 3 and ECM harness connector 2 using adaptor cable 1.

VEHICLES WITH AUTOMATIC TRANSMISSION
NOTE: If the Diagnostic Trouble Code (DTC) "No signal from automatic transmission" is stored in the Transmission Control Module (J 217) due to electrical testing, it must be erased after testing.

- Switch Fluke 83 multimeter to 20 Volt range.