With Manufacturer's Scan Tool

GLOW PLUGS, CHECKING

Special tools and equipment






- 3220 Hinged socket
- VAG 1527 voltage tester
- VAG 1594 Adapter kit

Test conditions

- Battery 11.5 volts minimum.
- Diesel direct injection system Engine Control Module -J248- OK.
- Glow plug strip fuse OK.

Test sequence

- Disconnect glow plug connector from glow plug.






- Connect voltage tester using auxiliary clips from auxiliary cable set to battery positive (B+).
- Place voltage tester probe on each glow plug one after another.

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 (11 ft lb).