Skoda Workshop Service and Repair Manuals > Fabia Mk1 > Drive unit | 1.4/55; 1.4/59; 1.4/74 engine - fuel injection | Self diagnosis, V.A.G Inspection Service | Self-diagnosis I

Meaning of the exhaust gas warning light K83 > < Properties of the self-diagnosis

Technical data of self-diagnosis

Control unit identification:

The control unit version is displayed when the vehicle system tester -V.A.G 1552- is connected and address word 01 “Engine electronics” is selected → Chapter.

Equipment

Engine identification character	AUA, AUB	BBY, BBZ	BKY	BUD
System denomination	MARELLI 4LV	MARELLI 4MV	MARELLI 4TV	MARELLI 4HV
Meets emission limit values conforming to	EU-4, EU-3DDK, EU-2DDK	EU4, EU-3DDK, EU-2DDK	EU4, EU-3DDK, EU-2DDK	EU4, EU-2DDK
Electronic throttle system	Yes	Yes	Yes	Yes
Self-diagnosis	Yes	Yes	Yes	Yes
Actuator diagnosis	Yes	Yes	Yes	Yes
Fault memory	Permanent memory → Note	Permanent memory → Note	Permanent memory → Note	Permanent memory → Note
Memory for initialisation values	Volatile memory → Note	Volatile memory → Note	Volatile memory → Note	Volatile memory → Note
Lambda control	2 probes	2 probes	2 probes	2 probes
Knock control	1 Knock sensor	1 Knock sensor	1 Knock sensor	1 Knock sensor
Intake manifold change-over	No	No	No	No
Camshaft adjustment	No	No	No	No
Boost-pressure control	No	No	No	No
Secondary air system	No	No	No	No
Exhaust gas recirculation	Yes	Yes	Yes	No

¹⁾	Independent of voltage supply

²⁾	The values are erased if the voltage supply is interrupted.

Functions available when using the vehicle system tester -V.A.G 1552-

Note

The preconditions for selecting the desired functions are given in the following table.

Operation		Precondition
Function on the vehicle system tester -V.A.G 1552 -		Engine not running, ignition switched on	Engine idling	Normal driving
01	Interrogating control unit version	yes	yes	yes
02	Interrogating fault memory	yes → Note	yes	yes
03	Actuator diagnosis	yes	no	no
04	Basic setting → Note	yes	yes	yes
05	Erasing fault memory	yes	yes	yes
06	Ending output	yes	yes	yes
07	Coding control unit	yes	no	no
08	Reading measured value block	yes	yes	yes
15	Reading Readiness Code	yes	yes	yes

³⁾	Only to be carried out with the ignition switched on and if the engine does not start (activate starter for at least 6 seconds).

⁴⁾	To be carried out after the following operations: Replacing engine control unit, throttle valve control unit, exhaust gas recirculation valve or engine and disconnecting battery. The air conditioning and the ACF system are automatically switched off in function 04.

Drive unit
1.4/55; 1.4/59; 1.4/74 engine - fuel injection / Self diagnosis, V.A.G Inspection Service / Self-diagnosis I
Technical data of self-diagnosis

Meaning of the exhaust gas warning light K83 > < Properties of the self-diagnosis

Skoda Workshop Service and Repair Manuals

Fabia Mk1

Drive unit 1.4/55; 1.4/59; 1.4/74 engine - fuel injection / Self diagnosis, V.A.G Inspection Service / Self-diagnosis I Technical data of self-diagnosis

Drive unit 1.4/55; 1.4/59; 1.4/74 engine - fuel injection / Self diagnosis, V.A.G Inspection Service / Self-diagnosis I Technical data of self-diagnosis

Drive unit
1.4/55; 1.4/59; 1.4/74 engine - fuel injection / Self diagnosis, V.A.G Inspection Service / Self-diagnosis I
Technical data of self-diagnosis

Drive unit
1.4/55; 1.4/59; 1.4/74 engine - fuel injection / Self diagnosis, V.A.G Inspection Service / Self-diagnosis I
Technical data of self-diagnosis