SEAT Workshop Service and Repair Manuals > Leon Mk2 > Engine, mixture preparation | Motronic injection and ignition system (1.8 l engine) | Mixture preparation system, electronic inj.,Gas | Engine control unit

Motronic injection and ignition system (1.8 l engine)

Engine control unit

Learning kick-down point

Following renewal of the engine control unit or the accelerator pedal, vehicles with automatic gearboxes must relearn the kick-down point.

Test conditions

Test sequence

‒ Connect the fault reader V.A.G 1551 (V.A.G 1552). Then switch ignition on and select engine control unit with the "Address word" 01.
(Connecting fault reader and selecting engine control unit .)

→ Indicated on display:

Rapid data transfer HELP

Select function XX

‒ Press keys 0 and 4 for the function "Introduction of basic setting" and confirm entry with Q key.

→ Indicated on display:

Basic setting HELP

Input display group number XXX

‒ Press the keys 0, 6 and 3 for "Display group number 63" and confirm with Q key.

→ Indicated on display:

System in basic setting 63 ⇒

1 2 3 4

‒ Observe display in display zones 3 and 4:
Display: Operate kick down
‒ Press accelerator pedal beyond kick-down pressure point to floor.
‒ Hold pedal at this point for at least 2 seconds.
‒ Observe display in display zones 3 and 4:
Specification: Kick Down ADP. runs
then
Specification: Kick Down ADP. OK
‒ Appears in display zones 3 and 4:
Display: Kick Down ERROR
‒ End the engine basic setting by pressing the⇒ key.
‒ Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.
‒ Check accelerator position sender:

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