Manual sections Wiring diagrams
Repair manual

Testing & Diagnostics Volkswagen Jetta IV

Step-by-step instructions on "Testing & Diagnostics" for Volkswagen Jetta IV (1998–2005). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

On Board Diagnostic (OBD) - 1.8L, Awd (A4 Platform)

Multiport Fuel Injection (Mfi) - 1.8L, Awd (A4 Platform)

On Board Diagnostic (OBD) - 1.8L, Aww, Awp (A4 Platform)

On Board Diagnostic (OBD), Generic Scan Tool - 1.8L, Awd, Awp, Aww

On Board Diagnostic (OBD) - 1.9L Alh, 2V TDI

Ignition/glow Plug System - 1.9L Alh, 2V TDI (A4 Platform)

Ignition/glow Plug System - 1.9L TDI, Alh, Bew (Generic Scan Tool) (A4 Platform)

On Board Diagnostic (OBD), Generic Scan Tool - 1.9L TDI, Alh, Bew (A4 Platform)

On Board Diagnostic (OBD), Generic Scan Tool - 2.0L Aeg, Avh, Azg

On Board Diagnostic (OBD) - 2.8L Afp (A4 Platform)

On Board Diagnostic (OBD) , Generic Scan Tool - 2.8L Afp, Bdf (A4 Platform)