Volkswagen New Beetle. Manual - part 1506

 

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Volkswagen New Beetle. Manual - part 1506

 

 

z

Connect diode test lamp to 

terminals 2 + 3 of disconnected connector. 

Fig. 16: Identifying 4-Pin Harness Connector Terminals (Engine Code APH) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Vehicles with engine code AWP, AWV 

z

Connect diode test lamp to 

terminals 2 + 3 of disconnected connector.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 1.8L Generic Scan Tool - New Beetle

  

Fig. 17: Identifying 4-Pin Harness Connector Terminals (Engine Code AWP, AWV) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Continuation for all vehicles 

z

Operate starter and test ignition signal from Engine Control Module (ECM). 

LED should flicker. 

z

Switch ignition off. 

If LED flickers and voltage supply is OK: 

z

Replace ignition coils with power output stage: 

z

Vehicles with engine code APH, see item 2 .  

z

Vehicles with engine code AWP, AWV, see item 2 .  

z

Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: 
RESET/ERASE DIAGNOSTIC DATA
 .  

z

generate readiness code, see READINESS CODE, GENERATING . 

If LED does not flicker: 

z

Check wires, see CHECKING WIRING  

Checking wiring 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 1.8L Generic Scan Tool - New Beetle

  

z

Connect test box to control module wiring harness, see CONNECT TEST BOX FOR WIRING TEST 

Vehicles with engine code APH 

z

Check wires between test box and 4-pin connector for open circuit according to wiring diagram. 

Cylinder 1 terminal 3 + socket 102 

Cylinder 2 terminal 3 + socket 95 

Cylinder 3 terminal 3 + socket 103 

Cylinder 4 terminal 3 + socket 94 

Wire resistance: max. 1.5 ohm 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 1.8L Generic Scan Tool - New Beetle

  

Fig. 18: Identifying 4-Pin Harness Connector Terminals (Engine Code APH) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Vehicles with engine code AWP, AWV 

z

Check wires between test box and 4-pin connector for open circuit according to wiring diagram. 

Cylinder 1 terminal 3 + socket 102 

Cylinder 2 terminal 3 + socket 95 

Cylinder 3 terminal 3 + socket 103 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 1.8L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

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