| Inspecting ceramic glow plugs (Superb II, Octavia II, Fabia II, Roomster) |
| Special tools and workshop equipment required |
| t
| Handheld multimeter -V.A.G 1526 B- |
| –
| Unplug connector of the glow plugs. |
| –
| Connect handheld multimeter -V.A.G 1526 B- for resistance measurement between contact and glow plug housing. |
| l
| Specified value: less than 1 Ω |
| If the specified value is exceeded (greater than 1 Ω): |
| –
| Remove ceramic glow plug and check if the pin is not broken off. |
Note | In case of breakage of the ceramic glow plug pin all broken pieces must be removed from the cylinder before starting the engine, otherwise this could result in engine damage due to seizures. If required, the cylinder head must be removed. |
| –
| Re-connect electrical plug connections for glow plugs. |
|
| 1. Interrogate and erase the fault memory of the engine control unit. Do not start the engine! |
|
| 2. Performing self-diagnosis. |
|
| 3. Interrogate the fault memory of the engine control unit again. Do not start the engine! |
Note | The engine must not be started as long as a fault concerning the ceramic glow plugs is stored in the fault memory! |
| –
| Check electrical wiring and plug connections for glow plugs. |
|
|
|
