Operation CHARM: Car repair manuals for everyone.

Checking the Control Module Power Supply




Checking the control module power supply







- Ignition on.
Connect a voltmeter between # A1 and:
- # A31 on the breakout box
- # B10 on the breakout box
- # B27 on the breakout box

The voltmeter should read battery voltage for all readings












YES - Checking the Power Supply

NO