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

Verification



Verification







- Ignition off
- the control module disconnected.
- Switch off all equipment that takes power from the battery (courtesy lighting, radio etc).

For the Control module, connect an ohmmeter between terminal # 16 on the breakout box and the battery negative terminal.

The ohmmeter should read 0 [ohm].

Yes - Diagnostics and Tests

No - Fault-Tracing Information