FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking That Motronic Is Active




Checking That Motronic Is Active







- Turn the ignition switch to the ON position.
- The CHECK ENGINE lamp should go on when the ignition is turned ON.

Is the function correct?

NO - Checking the Motronic Control Module Power Supply

YES - Checking the Diagnostic Tool