Volkswagen New Beetle. Manual - part 1461

 

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Volkswagen New Beetle. Manual - part 1461

 

 

z

If the vehicle is equipped with an air conditioner, this must be switched off.  

Checking function and voltage supply 

z

Remove cover from fuel delivery unit.  

z

Briefly operate starter. 

Fuel pump must be heard to run. 

z

Switch ignition off.  

If the fuel pump does not run: 

z

Remove cover in front of fuse holder.  

z

Pull fuse No. 28 out of fuse holder. 

Fig. 19: Connecting Remote Control VAG 1348/3A With Adapter Cable VAG 1348/3-2 To 
Terminal 28A
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Connect remote control VAG 1348/3A with adapter cable VAG 1348/3-2 to terminal 28a to fuel pump 
and battery positive (+).  

z

Operate remote control. 

NOTE:

Observe description of function of crash fuel shut-off. See CRASH FUEL SHUT-
OFF .

NOTE:

Check whether a coded radio is installed as during the forthcoming work 
sequences the battery Ground strap must be disconnected. Obtain radio code 
first if necessary.

 

2003 Volkswagen New Beetle GLS 

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

  

Fuel pump runs: 

z

Check activation of fuel pump relay using wiring diagram: 

See appropriate WIRING DIAGRAM article 

Fuel pump does not run: 

z

Pull 4 pin connector off flange on fuel delivery unit.  

z

Connect LED test light VAG 1527 B with auxiliary cables from VAG 1594 A to outer terminals of 
connector. 

Fig. 20: Connecting LED Test Light VAG 1527 B With Auxiliary Cables From VAG 1594 A To 
Outer Terminals Of Connector
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Operate remote control. 

LED must light up 

LED does not light up: 

z

Locate and eliminate open circuit using wiring diagram:  

See appropriate WIRING DIAGRAM article 

LED lights up (voltage supply OK.): 

z

Remove union nut with 3217 wrench. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 21: Removing Union Nut With 3217 Wrench 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Check that electrical wires between flange and fuel pump are connected.  

If no open circuit can be found: 

z

Fuel pump malfunctioning, replace fuel delivery unit. See RULES OF CLEANLINESS .  

Checking delivery rate 

Test conditions 

z

Voltage supply OK  

z

Remote control VAG 1348/3A connected  

Test sequence 

z

Remove filler cap from fuel tank filler neck. 

z

Pull off supply pipe/hose -1- and collect leaking fuel with a cloth. 

WARNING:

Fuel system is under pressure! Before opening the system place a 
cloth around the connection. Then release pressure by carefully 
loosening the connection.

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 22: Pulling Off Supply Pipe/Hose 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Connect pressure gauge VAG 1318 with adapter 1318/23 and VAG 1318/17 to fuel supply hose. 

Fig. 23: Connecting Pressure Gauge VAG 1318 With Adapter 1318/23 And VAG 1318/17 To Fuel 
Supply Hose
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Push hose VAG 1318/1 onto adapter VAG 1318/11 on pressure gauge and hold hose in a measuring 
container.  

z

Open pressure gauge cut-off tap. Lever then points in throughflow direction -A-.  

z

Operate remote control VAG 1348/3A and slowly close cut-off tap, until pressure gauge shows 3 bar. 
From this point on do not move position of cut-off tap.  

z

Empty measuring container.  

z

Fuel pump delivery range is dependent upon battery voltage. Therefore, connect multimeter with adapter 
cables from VAG 1594A to vehicle battery.  

z

Operate remote control for 30 seconds and measure battery voltage. 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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