With Manufacturer's Scan Tool

Glow Plugs, Checking

Special tools and equipment
- VAG 1594 Adapter kit
- 3220 Hinged socket
- VAG 1527 voltage tester

Test conditions
- Battery voltage at least 11.5 V
- Ignition switched off

Test sequence
- Pull glow plug connector off glow plug.







- Connect diode test lamp wire using auxiliary clips from auxiliary cable set to battery positive (+).
- Place diode test lamp probe on each glow plug one after the other.
Diode lights up: glow plug OK.
Diode does not light up: replace glow plug.
- Remove and install glow plugs with Hinged socket 3220.
Tightening torque: 15 Nm.