Strategy Based Diagnostics
WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Perform the DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS before using the symptom tables, if applicable.
- Review the system operations in order to familiarize yourself with the system functions. Refer to DISASSEMBLED VIEWS , ENGINE COMPONENT DESCRIPTION , LUBRICATION DESCRIPTION , NEW PRODUCT INFORMATION , and DRIVE BELT SYSTEM DESCRIPTION .
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 condition. The diagnostic flow is the place to start when repairs are necessary. For a detailed explanation, refer to STRATEGY BASED DIAGNOSIS in General Information.