New Beetle GLS L4-1.8L Turbo (AWV) (2001)
-
Remove pressure hose at motor for secondary air injection pump -arrow-.
Note: To release, press together the buttons on the hose coupling.
-
Remove inner plenum chamber cover, left side.
-
Connect test box VAG1598/31 to control module wiring harness. The engine control module is not connected by this action.
-
Switch ignition on.
-
Bridge test box sockets 01 + 50 with aux. cables from VAG1594.
The secondary air injection pump motor must run and air must exit the connecting hose.
If the motor runs, but no air exits:
-
Switch ignition off.
-
Replace secondary air pump motor.
If the secondary air injection pump motor does not run:
-
Pull 2-pin connector off secondary air injection pump motor -V101-.
-
Connect diode test lamp VAG1 527B to disconnected connector using aux. cables from VAG1594.
LED must light up.
If LED lights up (voltage supply OK):
-
Switch ignition off.
-
Replace secondary air pump motor.
If LED does not light up:
-
Reconnect 2-pin connector.
-
Initiate Output Diagnostic Test Mode (DTM) and activate EVAP canister purge regulator valve -N80-.
-
Check DTC memory.
-
Read readiness code.