Volkswagen New Beetle. Manual - part 1238

 

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Volkswagen New Beetle. Manual - part 1238

 

 

Fig. 49: Removing Pressure Hose At Motor For Secondary Air Injection Pump 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Remove inner plenum chamber cover, left side. 

See PLENUM CHAMBER INNER COVER, REMOVING AND INSTALLING . 

z

Connect test box VAG1598/31 to control module wiring harness. The engine control module is not 
connected by this action. 

NOTE:

To release, press together the buttons on the hose coupling.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

Fig. 50: Connecting Test Box VAG1598/31 To Control Module Wiring Harness 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Switch ignition on.  

z

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: 

z

Switch ignition off.  

z

Replace secondary air pump motor.  

If the secondary air injection pump motor does not run: 

z

Pull 2-pin connector off secondary air injection pump motor -V101-. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

z

Connect diode test lamp VAG1527B to disconnected connector using aux. cables from VAG1594. 

LED must light up. 

Fig. 51: Connecting Diode Test Lamp VAG1527B To Disconnected Secondary Air Injection Pump 
Motor Connector
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

If LED lights up (voltage supply OK): 

z

Switch ignition off.  

z

Replace secondary air pump motor.  

If LED does not light up: 

z

Reconnect 2-pin connector.  

z

Initiate Output Diagnostic Test Mode (DTM) and activate EVAP canister purge regulator valve -N80-. 

See Output Diagnostic Test Mode (DTM) . 

z

Check DTC memory. 

See Diagnostic Trouble Code (DTC) Memory, Checking And Erasing . 

z

Read readiness code. 

See Readiness Code, Displaying . 

If the DTC memory has been erased or the engine control module separated from the permanent positive, the 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

readiness code must be generated again. 

See Readiness Code, Displaying . 

Engine codes AWP, AWV 

z

V.A.G 1551 Scan Tool 

Fig. 52: Identifying V.A.G 1551 Scan Tool 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

V.A.G 1551/3B Cable 

Fig. 53: Identifying V.A.G 1551/3B Cable 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Test conditions 

NOTE:

The vehicle system tester V.A.G 1552 can be used instead of the VAG 1551 
scan tool, however a print-out is not possible.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

 

 

 

 

 

 

 

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