Switching-off function, checking
WARNING: This page is about a different car, the 1996 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect voltage supply from Injection Start Positioner -N165-.
- Connect VAG 1527B voltage tester to open connector.
- Start engine and raise engine speed to approx. 3000 RPM.
- Tester LED must light up
If NOT:
- Locate and repair wiring faults using wiring diagram.
- Replace Automatic Glow Time Control Module - J179- if necessary.