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Home >> Volkswagen >> 1999 >> Jetta (1W2) L4-1.9L DSL Turbo (AHU) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> * Important Notes About Test Procedures
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* Important Notes About Test Procedures

It is important that all DTC's are extracted and documented prior to starting any of the component diagnostic test procedures.

Diagnostic Trouble Code Descriptions and Corrective Actions should be used to ensure that the correct test procedure is selected. Refer to Diagnostic Trouble Code Descriptions and Corrective Actions Testing and Inspection
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