Operation CHARM: Car repair manuals for everyone.
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1 - One or More on-Board Diagnostic Functions Inoperative

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When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harnesses are connected correctly and undamaged.