volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Diagram Information and Instructions|Page 10168 > < Diagram Information and Instructions|Page 10166

Jetta GL L4-1.9L DSL Turbo (ALH) (2001)

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Connect test box VAG 1598/22 (through my 1999) or VAG 1598/31 (from my 2000) to control module wiring harness.  

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Check wiring between test box and 4 pin connector for open circuit using wiring diagram:  

Diagram Information and Instructions|Page 10168 > < Diagram Information and Instructions|Page 10166