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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Checking Control Module Power Supply



Checking Control Module Power Supply







- Ignition off.
- Control module disconnected.
- Ignition on.

Connect a voltmeter between #35 (#A35) and #53 (#A53) on the breakout box.

The voltmeter should read battery voltage

OK: Refer to Trouble Code Descriptions. Diagnostic Trouble Code Descriptions
NOT OK: Refer to Checking Fuse 16. Checking Fuse 16