Jetta GLS L4-1.8L Turbo (AWD) (2001)
If the displays do not indicate as described:
-
Press -> key.
-
Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
-
Switch off ignition.
-
Connect test box VAG 1598/31 to control module wiring harness. The engine control module remains disconnected.
-
Measure resistance between throttle valve drive and contacts 117 and 118
Specification: 1 - 5 ohms
If the specification is not obtained:
-
Replace throttle valve control module (J338).
If the specification is obtained:
-
Check voltage supply of throttle valve control module and wiring to control module.
-
Check the accelerator pedal position sender.
If the voltage supply and wiring is OK:
-
Replace engine electronics control module.
Checking voltage supply and wiring to control module
-
Pull the 6-pin connector -2- off the throttle valve control module -1-.
-
Connect the multimeter to measure voltage to contacts 2 + 6 of the connector.
-
Switch on ignition.
Specification: min. 4.5 V
-
Switch off ignition.
-
Connect the multimeter to measure voltage to contact 2 of the connector and Ground.
-
Switch on ignition.
Specification: min. 4.5 V