Volkswagen New Beetle. Manual - part 1949

 

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Volkswagen New Beetle. Manual - part 1949

 

 

DIAGNOSTIC TROUBLE CODE P0170 

DIAGNOSTIC TROUBLE CODE P0171 

Low Voltage, Bank 

1 Sensor 2

CATALYTIC CONVERTER 

P0138

O2 Sensor Circuit 

High Voltage, Bank 

1 Sensor 2

P0139

O2 Sensor Circuit 

Slow Response, 

Bank 1 Sensor 2

P0140

O2 Sensor Circuit 

No Activity 

Detected Bank 1 

Sensor 2

P0141

O2 Sensor Heater 

Circuit, Bank 1 

Sensor 2

z

Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three 

Way Catalytic Converter (TWC). See OXYGEN SENSOR 

HEATER FOR OXYGEN SENSOR BEHIND THREE WAY 

CATALYTIC CONVERTER (TWC), CHECKING 

SAE-
DTC

DTC 

text

Corrective action

P0170

Fuel 

Trim, 

Bank 1

z

Check fuel pressure regulator and residual pressure. See FUEL PRESSURE 

REGULATOR AND RESIDUAL PRESSURE, CHECKING 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector 

-N33-). See FUEL INJECTORS, CHECKING 

z

Check intake air system for leaks (false air). See INTAKE SYSTEM FOR 

LEAKS (FALSE AIR), CHECKING 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP (FP) 

z

Check exhaust system for proper seal. See EXHAUST SYSTEM EMISSION 

CONTROLS . Check Secondary Air Injection (AIR) system for proper seal. 

See SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING FOR 

PROPER SEAL 

z

Check vacuum lines for leaks 

SAE-
DTC

DTC text

Corrective action

P0171

System Too 

Lean, Bank 1

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel 

Injector -N33-). See FUEL INJECTORS, CHECKING 

z

Check intake air system for leaks (false air). See INTAKE SYSTEM 

FOR LEAKS (FALSE AIR), CHECKING 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P0172 

Fuel and air ratios 

DIAGNOSTIC TROUBLE CODE P0201-P0223 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP (FP) 

z

Check exhaust system for proper seal. See EXHAUST SYSTEM 

EMISSION CONTROLS 

z

Check Secondary Air Injection (AIR) system for proper seal. See 

SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING 

FOR PROPER SEAL 

z

Check vacuum lines for leaks 

SAE-
DTC

DTC text

Corrective action

P0172 System Too 

Rich, Bank 

1

z

Check fuel pressure regulator and residual pressure. See FUEL PRESSURE 

REGULATOR AND RESIDUAL PRESSURE, CHECKING 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel 

Injector -N33-). See FUEL INJECTORS, CHECKING 

z

Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way 

Catalytic Converter (TWC). See CHECK OXYGEN SENSOR AND 

OXYGEN SENSOR REGULATION BEFORE CATALYTIC 

CONVERTER 

z

Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way 

Catalytic Converter (TWC). See CHECK OXYGEN SENSOR AND 

OXYGEN SENSOR REGULATION BEHIND CATALYTIC 

CONVERTER 

z

Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-

. See EVAPORATIVE EMISSION (EVAP) CANISTER PURGE 

REGULATOR VALVE, CHECKING 

SAE-
DTC

DTC text

Corrective action

P0201

Injector Circuit/Open - Cylinder 1

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30-

to Cylinder 4 Fuel Injector -N33-). See FUEL 

INJECTORS, CHECKING 

P0202

Injector Circuit/Open - Cylinder 2

P0203

Injector Circuit/Open - Cylinder 3

P0204

Injector Circuit/Open - Cylinder 4

P0221

Throttle/Pedal Position 

Sensor/Switch "B" Circuit 

Range/Performance

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING 

P0222

Throttle/Pedal Position 

Sensor/Switch "B" Circuit Low

P0223

Throttle/Pedal Position 

Sensor/Switch "B" Circuit High

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P0226-P0230

DIAGNOSTIC TROUBLE CODE P0261-P0271 

Ignition system 

DIAGNOSTIC TROUBLE CODE P0300-P0304 

SAE-
DTC

DTC text

Corrective action

P0226

Throttle/Pedal Position 

Sensor/Switch "C" Circuit 

Range/Performance

z

Check Throttle Position (TP) Sensor -G79- and Sender 

-2- for accelerator pedal position -G185-. See 

THROTTLE POSITION (TP) SENSOR, 

CHECKING 

P0227

Throttle/Pedal Position 

Sensor/Switch "C" Circuit Low

P0228

Throttle/Pedal Position 

Sensor/Switch "C" Circuit High

P0230

Fuel Pump Primary Circuit

z

Check activation of Fuel Pump (FP) Relay -J17-

according to wiring diagram: 

See appropriate System Wiring Diagram article.

SAE-
DTC

DTC text

Corrective action

P0261

Cylinder 1 Injector 

Circuit Low

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 

Fuel Injector - N33-). See FUEL INJECTORS, CHECKING 

P0262

Cylinder 1 Injector 

Circuit High

P0264

Cylinder 2 Injector 

Circuit Low

P0265

Cylinder 2 Injector 

Circuit High

P0267

Cylinder 3 Injector 

Circuit Low

P0268

Cylinder 3 Injector 

Circuit High

P0270

Cylinder 4 Injector 

Circuit Low

P0271

Cylinder 4 Injector 

Circuit High

SAE-
DTC

DTC text

Corrective action

P0300

Random/Multiple 

Cylinder Misfire 

Detected

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 

4 Fuel Injector -N33-). See FUEL INJECTORS, CHECKING 

z

Check spark plugs. See TEST DATA, SPARK PLUGS 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P0321 - P0324 

DIAGNOSTIC TROUBLE CODE P0327-P0333 

DIAGNOSTIC TROUBLE CODE P0340-P0343 

P0301

Cylinder 1 Misfire 

Detected

Vehicles with engine code AEG:

z

Check Ignition Coil -N152-. See CHECKING IGNITION 

COIL (VEHICLES WITH ENGINE CODE AEG) 

Vehicles with engine code AVH, AZG, BDC:

z

Check ignition coils with power output stages (-N70-, -N127-, -

N291-, - N292-). See CHECKING IGNITION COILS WITH 

POWER OUTPUT STAGES (VEHICLES WITH ENGINE 

CODE AVH, AZG, BDC) 

z

Check intake system for leaks. See INTAKE SYSTEM FOR 

LEAKS (FALSE AIR), CHECKING 

P0302

Cylinder 2 Misfire 

Detected

P0303

Cylinder 3 Misfire 

Detected

P0304

Cylinder 4 Misfire 

Detected

SAE-
DTC

DTC text

Corrective action

P0321

Ignition/Distributor Engine Speed 

Input Circuit Range/Performance

z

Check Engine Speed (RPM) Sensor -G28-. See 

CHECK ENGINE SPEED (RPM) SENSOR 

P0322

Ignition/Distributor Engine Speed 

Input Circuit No Signal

P0324

Knock Control System Error

z

Check knock sensors (Knock Sensor (KS) 1 -G61-

and Knock Sensor (KS) 2 -G66-). See CHECK 

KNOCK SENSORS 

z

Loosen knock sensors and tighten to 20 Nm again 

z

Repair abnormal engine noise (components loose, 

bracket/bolts broken) 

z

Change fuel types 

SAE-
DTC

DTC text

Corrective action

P0327

Knock Sensor 1 Circuit 

Low, Bank 1 or Single 

Sensor

z

Check knock sensors (Knock Sensor (KS) 1 -G61- and 

Knock Sensor (KS) 2 -G66-). See CHECK KNOCK 

SENSORS 

z

Loosen knock sensors and tighten to 20 Nm again 

P0328

Knock Sensor 1 Circuit 

High, Bank 1 or Single 

Sensor

P0332

Knock Sensor 2 Circuit 

Low, Bank 2

P0333

Knock Sensor 2 Circuit 

High, Bank 2

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

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