GTI GLS L4-1.8L Turbo (AWW) (2001)
-
Pull 6-pin connector -2- off throttle valve control module -1-.
-
Connect multimeter to measure voltage to contacts 2 + 6 of connector.
-
Switch ignition on.
Specification: min. 4.5 V
-
Switch ignition off.
-
Connect multimeter to measure voltage to contact 2 of the connector and Ground (GND).
-
Switch ignition on.
Specification: min. 4.5 V
-
Switch ignition off.
If the specifications are not attained:
-
Connect VAG1598/31 test box to control module wiring harness. The engine control module remains disconnected.
-
Check wiring between test box and connector for open circuit using wiring diagram:
Contact 1+socket 92
Contact 2+socket 83
Contact 3+socket 117
Contact 4+socket 84
Contact 5+socket 118
Contact 6+socket 91
Wire resistance: max. 1.5 Ohm
-
Additionally check wires for short to one another.
-
Additionally check wiring for short to battery positive or Ground (GND).
If no wiring fault is detected:
-
Check engine control module voltage supply. Refer to "Control Module Voltage Supply, Checking" See: Engine Control Module/Testing and
Inspection