Skoda Workshop Service and Repair Manuals > Octavia Mk1 > Drive unit | 1.9 l/96 kW (TDI) Engine, Fuel Injection and Glow Plug System | Self diagnosis, V.A.G Inspection Service | Self-diagnosis I | Actuator diagnosis

Test conditions > < Erasing fault memory

Actuator diagnosis

Actuator diagnosis

With the actuator diagnosis the following parts are activated in the sequence indicated:

1 -	Exhaust gas recirculation valve - N18-

2 -	AC compressor engagement

3 -	Solenoid valve for charge pressure control -N75 -

4 -	Changeover valve for intake manifold flap -N239 -

5 -	Glow period warning lamp -K29 -

6 -	Radiator fan control

7 -	Glow plug relay -J52-

8 -	Low heat output relay -J359-

9 -	High heat output relay -J360 -

10 -	Fault lamp

Note

t	Actuation of the individual control elements is limited to 30 seconds.

t	If final control diagnosis is to be repeated wirthout starting the engine in-between, switch ignition off for about 20 seconds.

Special tools and workshop equipment required

t	Vehicle system tester -V.A.G 1552- with cable -V.A.G 1551/3, 3A, 3B oder 3C-

Drive unit
1.9 l/96 kW (TDI) Engine, Fuel Injection and Glow Plug System / Self diagnosis, V.A.G Inspection Service / Self-diagnosis I
Actuator diagnosis

Test conditions > < Erasing fault memory