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

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Checking the Power Supply to the Control Module



Checking The Power Supply To The Control Module







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

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

The voltmeter should read battery voltage.

OK: Refer to Trouble Code Description. Diagnostic Trouble Code Descriptions
NOT OK: Continue with Next Procedure. Refer To Checking The Fuse And Relay.