- Perform a «Diagnostic System Check - Vehicle»(ref-318466-S33327148262009061700000) before using the symptom tables, if applicable.
- Review the system operations in order to familiarize yourself with the system functions. Refer to «Disassembled Views»(ref-318523-S38723514322009061700000) , «Engine Component Description»(ref-318523-S16734873022009061700000) .
All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform approach for repairing all systems. The diagnostic flow may always be used in order to resolve a system problem. The diagnostic flow is the place to start when repairs are necessary. For a detailed explanation, refer to Strategy Based Diagnosis .