Volkswagen New Beetle. Manual - part 1933

 

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Volkswagen New Beetle. Manual - part 1933

 

 

Selectable diagnostic modes under address word 33 - OBD 

Diagnostic Modes Under Address Word 33 

Control)

Control)

Equipment of control module for Diesel-Direct 
fuel injection system

80

121

Emissions limiting values according to

Tier 1

(1)

Tier 1

(1)

On Board Diagnostic (OBD)

OBD II

OBD II

DTC memory

Permanent memory

(2)

Permanent memory

(2)

Memory for adaptation values

Temporary memory

(3)

Temporary memory

(3)

Intake manifold change-over

No

No

Camshaft adjustment

No

No

Boost pressure regulation

Yes

Yes

Exhaust Gas Recirculation (EGR)

Yes

Yes

(1)

Tier 1 = Non-Low Emission Vehicles (emission values max. 0.25 g/mi HC)

(2)

Independent of voltage supply.

(3)

Values are erased when voltage supply is interrupted.

NOTE:

The conditions required for selecting the desired diagnostic mode are listed in 
the following table:

Diagnostic mode

Requirement:

Selectable diagnostic modes under address word 33-
OBD

z

engine 

off  

z

Ignition 

switched 

on  

z

Engine 

running 

at idle  

z

Vehicle 

in drive 

mode 

Mode 
1:

Check measured 

values

See DIAGNOSTIC MODE 

1: CHECK MEASURED 

VALUES .

Yes

Yes

Yes

Mode 
2:

Check operating 

conditions

See DIAGNOSTIC MODE 

2: CHECK OPERATING 

CONDITIONS .

Yes

Yes

Yes

Mode 
3:

Check DTC 

Memory

See DIAGNOSTIC MODE 

3: CHECK DTC 

MEMORY .

Yes

(1)

Yes

Yes

Mode 
4:

Reset/erase 

diagnostic data

See DIAGNOSTIC MODE 

4: RESET/ERASE 

DIAGNOSTIC DATA .

Yes

Yes

Yes

Mode 
6:

Check test results 

of components 

See DIAGNOSTIC MODE 

6: CHECK TEST 

Yes

(2)

Yes

(2)

Yes

(2)

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

Diagnostic Tester, connecting 

Recommended special tools and equipment: 

z

VAS 5052 Vehicle Diagnostic and Information System with 

Fig. 1: Identifying Special Tool VAS 5052 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

VAS 5052/3 diagnostic cable  

Requirements 

z

The respective fuses of Diesel-Direct fuel injection system must be OK. 

that are not 

continuously 

monitored

RESULTS OF 

COMPONENTS THAT 

ARE NOT 

CONTINUOUSLY 

MONITORED .

Mode 
7:

Check test results 

of components 

that are 

continuously 

monitored

See DIAGNOSTIC MODE 

7: CHECK TEST 

RESULTS OF 

COMPONENTS THAT 

ARE CONTINUOUSLY 

MONITORED .

Yes

(1)

Yes

Yes

Mode 
9:

Vehicle 

information

See DIAGNOSTIC MODE 

9: VEHICLE 

INFORMATION .

Yes

Yes

Yes

(1)

Perform only with ignition switched on when engine does not start (operate starter beforehand for at 
least 6 seconds).

(2)

Test-ID 10 and Test-ID 12 can only be performed with engine at standstill and ignition switched on.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

Fig. 2: Identifying Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Battery voltage must be at least 11.5 Volts.  

z

All electrical consumers such as, for example, lights and rear window defroster must be switched off.  

z

Parking brake must be engaged or else daylight driving lights will be switched on.  

z

For vehicles with automatic transmission, selector lever must be in position -P- or -N-.  

z

If vehicle is equipped with an A/C system, it must be switched off.  

z

Ground (GND) connections between engine and chassis must be OK.  

z

Ignition switched off.  

Work procedure 

Connect diagnostic tester (VAS 5052) using (VAS 5052/3) diagnostic cable as follows: 

z

Connect diagnostic cable connector to Data Link Connector (DLC) -arrow-. 

NOTE:

Fuse holder is located behind access panel at far left end of dash.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

Fig. 3: Locating Data Link Connector 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Depending on the desired diagnostic mode, it is necessary to:switch on ignition or start engine and let it 
run at idle. See Selectable diagnostic modes under address word 33 - OBD .  

Test box, connecting for wiring test 

Recommended special tools and equipment: 

Vehicles with 80-pin control module 

z

VAG1598/22 test box 

NOTE:

z

Respective operation of the diagnostic tester:  

z

If no display appears on diagnostic tester, check voltage supply at 
Diagnostic Link Connector (DLC).  

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

 

 

 

 

 

 

 

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