Skoda Workshop Service and Repair Manuals > Fabia Mk1 > Engine | 2.0/85 Engine, Fuel Injection | Self diagnosis, V.A.G Inspection Service | Self-diagnosis I

Performing actuator diagnosis

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

1. Activated charcoal filter system solenoid valve 1 -N80-

2. Secondary air pump relay -J299-

3. Injector cyl. 1 -N30-

4. Injector cyl. 3 -N32-

5. Injector cyl. 4 -N33-

6. Injector cyl. 2 -N31-

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-

t	Handheld multimeter, e.g. -V.A.G 1526 A-

t	Measuring tool set e.g. -V.A.G 1594 A, B oder C-

t	Current flow diagram

Test conditions

l	The fuses must be in proper order.

l	Battery voltage must be at least 11.5 volts.

l	All electrical consumers, e.g. lights and rear window heater, must be switched off.

Note

t	The actuator diagnosis can only be carried out when the engine is not running and the ignition is switched on.

t	The final control diagnosis is aborted when the engine is started or when a moment of momentum is detected.

t	During the actuator diagnosis the individual actuators remain activated until the next actuator is selected by pressing key →.

t	The electric fuel delivery unit runs during the entire final control diagnosis.

t	The actuators are tested acoustically or by touch.

Procedure

–	Connect vehicle system tester -V.A.G 1552-. Switch ignition on and select address word 01 “Engine electronics” → Chapter.

–	Select function 03 “final control diagnosis”.

Vehicle system test                   Q

03 - Actuator diagnosis

Skoda Workshop Service and Repair Manuals