Volkswagen New Beetle. Manual - part 1509

 

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Volkswagen New Beetle. Manual - part 1509

 

 

Fig. 24: Identifying Knock Sensor Harness Connector Terminals (Engine Code APH) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Wire resistance: max. 1.5 ohm  

z

Also check wires for short circuit to each other. 

Specified value:INFINITY ohm 

 

2003 Volkswagen New Beetle GLS 

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

  

If specified value is not obtained: 

z

Replace the respective knock sensor: 

z

Knock Sensor (KS) 1 -G61-, see item 12 .  

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Knock Sensor (KS) 2 -G66-, see item 17 .  

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 .  

Vehicles with engine code AWP, AWV 

z

Check wires between test box and 2-pin connector for open circuit according to wiring diagram. 

Terminal 1 + socket 

106 (Knock Sensor (KS) 1 -G61-) 

107 (Knock Sensor (KS) 2 -G66-) 

Terminal 2 + socket 

99 (Knock Sensor (KS) 1 -G61-) 

99 (Knock Sensor (KS) 2 -G66-) 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 25: Identifying Knock Sensor 2-Pin Harness Connector Terminals (Engine Code AWP, AWV)
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

z

Wire resistance: max. 1.5 ohm  

z

Also check wires for short circuit to each other. 

Specified value: ohm 

If specified value is not obtained: 

z

Replace the respective knock sensor: 

z

Knock Sensor (KS) 1 -G61-, see item 12 .  

z

Knock Sensor (KS) 2 -G66-, see item 13 .  

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 

 

2003 Volkswagen New Beetle GLS 

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

  

Valve for camshaft adjustment, checking (Vehicles with engine code AWP, AWV)

Function 

The camshaft adjustment is load - and RPM dependent. The electrical valve for camshaft adjustment switches 
oil pressure onto camshaft adjuster (mechanical adjustment mechanism), which adjusts the camshaft. 

Recommended special tools and equipment 

z

VAG1526 multimeter or VAG1715 multimeter  

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VAG1594 connector test kit  

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Wiring diagram  

Test requirements 

z

The respective fuses of the Valve -1- for camshaft adjustment - N205-must be OK.  

z

Fuel Pump (FP) Relay -J17- must be OK. Fuse box is located behind access panel at far left end of dash. 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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