Jetta L4-2.0L (AEG) (2000)
If the specified value is obtained:
- Press -> button.
- Press buttons -0-and -6- to select "End Output" function 06 and press -Q- button to confirm input.
- Switch ignition off.
Note:
The displayed figure is dependent on the tolerances of the throttle valve potentiometer and does not correspond to the actual opening angle.
Continuation
If the figure does not increase uniformly:
- Replace throttle valve control module -J338-
- Check DTC memory. If necessary, repair any malfunctions and erase DTC memory
- Adapt Engine Control Module (ECM) to throttle valve control module. See: Computers and Control Systems/Testing and Inspection/Programming
and Relearning
- Display readiness code .
If DTC memory has been erased or the Engine Control Module (ECM) was disconnected from permanent battery (B+) voltage, the readiness code
must be generated again.
If the display constantly shows 0° or is above 90°:
Continuation of check when display 0°
- Disconnect 8-pin harness connector from throttle valve control module.
- Bridge following harness connector terminals with auxiliary cables from VW1594 and observe display.
Vehicles with CCS(*): terminals 2 + 4
Vehicles without CCS(*): terminals 5 + 7
(*) = Cruise control system
If display jumps above 90°:
- Press -> button.
- Press buttons -0-and -6- to select "End Output" function 06 and press -Q- button to confirm input.
- Switch ignition off.
- Replace throttle valve control module -J338-.
- Check DTC memory. It necessary, repair any malfunctions and erase DTC memory
- Adapt Engine Control Module (ECM) to throttle valve control module. See: Computers and Control Systems/Testing and Inspection/Programming
and Relearning
- Display readiness code.
If DTC memory has been erased or the Engine Control Module (ECM) was disconnected from permanent battery (B+) voltage, the readiness code
must be generated again.