Volkswagen New Beetle. Manual - part 1559

If the specification is not obtained, see Evaluating display group 15 display zones 1 to 3 and display group 
16 display zone 1 - total number of catalyst damaging misfires Cyl. 1 to Cyl. 4 

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Press --> button.  

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Press buttons -0- and -6- for "End output" function and confirm input with -Q- button.  

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Switch off ignition.  

Evaluating display group 14, display zone 3 - total number of catalyst damaging misfires 

EVALUATING DISPLAY GROUP 14, DISPLAY ZONE 3 - TOTAL NUMBER OF CATALYST 
DAMAGING MISFIRES 

Evaluating display group 15 display zones 1 to 3 and display group 16 display zone 1 - total number of catalyst damaging misfires 
Cyl. 1 to Cyl. 4 

EVALUATING DISPLAY GROUP 15 DISPLAY ZONES 1 TO 3 AND DISPLAY GROUP 16 DISPLAY 
ZONE 1 - TOTAL NUMBER OF CATALYST DAMAGING MISFIRES CYL. 1 TO CYL. 4 

Indicated

Catalyst damaging misfires Cyl. 4

- -

Misfire status recognition

Working range

0--65000

- -

-

Specification

0

- -

activated

Appears on 
display

Possible malfunction cause

Malfunction elimination

> 0

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Spark plug 

malfunctioning  

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Ignition coil with power 

output stage 

malfunctioning  

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Check spark plugs, see IGNITION/GLOW PLUG 

SYSTEM

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Check ignition coils with power output stage, see 
IGNITION COILS WITH POWER OUTPUT 

STAGE, CHECKING

 

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Fuel injector 

malfunctioning  

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Check fuel injectors, see FUEL INJECTORS, 

CHECKING

Appears on 
display

Possible malfunction cause

Malfunction elimination

> 0

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Spark plug 

malfunctioning  

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Ignition coil with power 

output stage 

malfunctioning  

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Fuel injector 

malfunctioning  

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Check spark plugs, see IGNITION/GLOW 

PLUG SYSTEM

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Check ignition coils with power output stage, see 
IGNITION COILS WITH POWER OUTPUT 

STAGE, CHECKING

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Check fuel injectors, see FUEL INJECTORS, 

CHECKING

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Ignition/Glow plug system, 1.8L AWP, AWV - New Beetle

  

1998-2004 ENGINE PERFORMANCE

Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle 

IGNITION/GLOW PLUG SYSTEM 

IGNITION, SERVICING 

General notes on ignition system 

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This section deals specifically with ignition-related components. The other components of the injection 
and ignition system. See MULTIPORT FUEL INJECTION (MFI) .  

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For the electric components to work properly, a voltage of at least 11.5 V is required.  

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The battery must only be disconnected and connected with the ignition switched off, since the Engine 
Control Module (ECM) can otherwise be damaged.  

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The Engine Control Module (ECM) is equipped with an On Board Diagnostic (OBD)  

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Components marked with * are tested via On Board Diagnostic (OBD). See DIAGNOSTIC MODE 3: 
CHECK DTC MEMORY .  

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It is possible that the control module will recognize a malfunction and store a DTC during some tests. 
Therefore the following work steps must be performed in the mentioned sequence after ending all tests 
and repairs. 

{

Check DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC MEMORY .  

{

Erase DTC memory. See DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .  

{

For completion, generate readiness code. See READINESS CODE, GENERATING .  

Parts of ignition, removing and installing: 

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Vehicles with engine code AEG. See PARTS OF THE IGNITION, REMOVING AND 
INSTALLING (VEHICLES WITH ENGINE CODE AEG) .  

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Vehicles with engine code AVH, AZG, BDC. See PARTS OF THE IGNITION, REMOVING AND 
INSTALLING (VEHICLES WITH ENGINE CODE AVH, AZG, BDC) .  

Safety precautions. See SAFETY PRECAUTIONS . 

Test data, spark plugs. See TEST DATA, SPARK PLUGS . 

Parts of the ignition, removing and installing (Vehicles with engine code AEG) 

NOTE:

Engine Control Module (ECM) with harness connectors. See item 5 in 
OVERVIEW OF COMPONENT LOCATIONS (VEHICLES WITH ENGINE CODE 
AEG) .

NOTE:

The following list refers to Fig. 1 .

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

1. 10 Nm  

2. Ignition wire 

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4 to 8 k ohm  

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with interference suppression connector and spark plug connector  

3. Spark plug, 30 Nm 

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Type and spark plug gap. See TEST DATA, SPARK PLUGS .  

4. 20 Nm 

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Tightening torque affects function of Knock Sensor (KS)  

5. Knock Sensor (KS) 2 (G66)* 

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Component location. See item 14 in OVERVIEW OF COMPONENT LOCATIONS 
(VEHICLES WITH ENGINE CODE AEG) .  

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Terminals of sensor and connector are gold-plated  

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contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease 

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Checking. See CHECK KNOCK SENSORS .  

6. Connector 

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brown, 2-pin  

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For Knock Sensor (KS) 2 -G66-  

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before disconnecting, mark allocation of connector to component  

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Terminals of sensor and connector are gold-plated  

7. Knock Sensor (KS) 1 (G61)* 

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Component location. See item 15 in OVERVIEW OF COMPONENT LOCATIONS 
(VEHICLES WITH ENGINE CODE AEG) .  

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Terminals of sensor and connector are gold-plated  

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contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease 
Checking. See CHECK KNOCK SENSORS .  

8. Connector 

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black, 2-pin  

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For Knock Sensor (KS) 1 -G61-  

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before disconnecting, mark allocation of connector to component  

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Terminals of sensor and connector are gold-plated  

9. Camshaft Position (CMP) sensor (G40)* 

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Component location. See item 17 in OVERVIEW OF COMPONENT LOCATIONS 
(VEHICLES WITH ENGINE CODE AEG) .  

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Terminals of sensor and connector are gold-plated  

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Checking. See CHECK CAMSHAFT POSITION (CMP) SENSOR .  

10. Connector 

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black, 3-pin  

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For Camshaft Position (CMP) sensor 2 -G40-

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

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Terminals of sensor and connector are gold-plated  

11. Connector 

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Black, 4-pin  

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for Ignition Coil -N152-  

12. Ignition Coil -N152-*  

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Component location. See item 12 in OVERVIEW OF COMPONENT LOCATIONS (VEHICLES 
WITH ENGINE CODE AEG) .  

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with marking for ignition wires: A = Cylinder 1B = Cylinder 3C = Cylinder 2D = Cylinder 4  

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Checking. See CHECKING IGNITION COIL (VEHICLES WITH ENGINE CODE AEG) . 

Fig. 1: Identifying Parts Of Ignition System (Vehicles With Engine Code AEG) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Parts of the ignition, removing and installing (Vehicles with engine code AVH, AZG, BDC) 

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Vehicles with engine code AVH, AZG. See item 11 in OVERVIEW OF COMPONENT LOCATIONS 
(VEHICLES WITH ENGINE CODE AVH, AZG) .  

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Vehicles with engine code BDC. See item 12 in OVERVIEW OF COMPONENT LOCATIONS 
(VEHICLES WITH ENGINE CODE BDC) .  

1. Ignition wire 

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4 to 8 k ohm  

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with interference suppression connector and spark plug connector 

NOTE:

Engine Control Module (ECM) with connectors:

NOTE:

The following list refers to Fig. 2 .

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle