Strategy Based Diagnostics

Review the system operations in order to familiarize yourself with the system functions. Refer to:

Power Transfer Unit Case Disassembled View ,

Power Transfer Unit Case Description and Operation , and

Rear Drive Axle Description and Operation (With G99) , or

Rear Drive Axle Description and Operation (Without G99) .

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 .