Volkswagen New Beetle. Manual - part 1948

 

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Volkswagen New Beetle. Manual - part 1948

 

 

z

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

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

There must not be any DTCs stored in DTC memory. See Diagnostic mode 3: Check DTC Memory .  

z

Intake air temperature 5 to 35° C. See DIAGNOSTIC MODE 1: CHECK MEASURED VALUES .  

Work procedure 

z

Connect diagnostic tester. See CONNECT DIAGNOSTIC TESTER .  

z

Perform a road test.  

The following operating condition must be met during this road test: 

z

Coolant temperature must reach at least 80 °C. See DIAGNOSTIC MODE 1: CHECK MEASURED 
VALUES
 .  

Observe the safety precautions that apply to road tests. See SAFETY PRECAUTIONS . 

Let vehicle cool off with the ignition switched off until the following condition is met: 

z

Coolant temperature approx. intake air temperature (5 to 35° C). See DIAGNOSTIC MODE 1: 
CHECK MEASURED VALUES
 .  

z

Perform a road test anew.  

The following operating conditions must be met during this road test: 

z

Accelerate vehicle uniformly, not at Wide Open Throttle (WOT).  

z

Drive for 10 minutes in the highest gear or in the highest driving mode on a level driving surface at a 
constant speed in the range of 65 to 80 km/h at an engine speed of 2000 to 2500 RPM.  

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After 10 minutes, downshift until an engine speed of 2800 to 3500 RPM has been reached.  

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Drive in deceleration mode at a speed up to approx. 1800 RPM.  

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Park vehicle and let engine run at idle for 3 minutes.  

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Accelerator pedal must not be operated during this time.  

z

Perform a road test anew.  

The following operating conditions must be met during this road test:

NOTE:

z

Vehicle speed. See DIAGNOSTIC MODE 1: CHECK MEASURED VALUES . 

z

Engine speed. See DIAGNOSTIC MODE 1: CHECK MEASURED VALUES . 

 

2003 Volkswagen New Beetle GLS 

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

  

z

Accelerate vehicle uniformly, not at Wide Open Throttle (WOT).  

z

Drive for 10 minutes in the highest gear or in the highest driving mode on a level driving surface at a 
constant speed in the range of 65 to 80 km/h at an engine speed of 2000 to 2500 RPM.  

z

Park vehicle and let engine run at idle for 3 minutes.  

z

Accelerator pedal must not be operated during this time.  

z

Read readiness code. See READ READINESS CODE .  

If a 1 is displayed instead of a 0 in the 8-digit number block: 

z

Perform a road test anew.  

The following operating conditions must be met during this road test: 

z

Drive for 10 minutes in the highest gear or in the highest driving mode on a level driving surface at a 
constant speed in the range of 65 to 80 km/h at an engine speed of 2000 to 2500 RPM.  

z

Park vehicle and let run at idle for 3 minutes. 

z

Accelerator pedal must not be operated during this time.  

z

Read readiness code. See READ READINESS CODE .  

In 8-digit number block: 

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Display position 5: Secondary Air Injection (AIR) system  

and/or 

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Display position 6: EVAP canister system  

a 1 instead of 0 is displayed: 

z

Repeat complete work procedure. See WORK PROCEDURE .  

DIAGNOSTIC TROUBLE CODE (DTC) TABLES: 

SAE P0xxx-DTCs 

Fuel and air mixture and additional emission regulations 

DIAGNOSTIC TROUBLE CODE P0016-P0038 

SAE-
DTC

DTC text

Corrective action

P0016

Crankshaft Position - 

Camshaft Position 

z

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

ENGINE SPEED (RPM) SENSOR 

 

2003 Volkswagen New Beetle GLS 

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

  

Fuel and air ratios 

DIAGNOSTIC TROUBLE CODE P0101-P0113 

DIAGNOSTIC TROUBLE CODE P0116-P0123 

Correlation, Bank 1 

Sensor A

z

Check Camshaft Position (CMP) Sensor -G40-. See CHECK 

CAMSHAFT POSITION (CMP) SENSOR 

P0030

HO2S Heater Control 

Circuit, Bank 1 Sensor 

1

z

Check oxygen sensor heater for Oxygen Sensor (O2S) before 

Three Way Catalytic Converter (TWC). See OXYGEN 

SENSOR HEATER FOR OXYGEN SENSOR BEFORE 

THREE WAY CATALYTIC CONVERTER (TWC), 

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 

P0031

HO2S Heater Control 

Circuit Low, Bank 1 

Sensor 1

P0032

HO2S Heater Control 

Circuit High, Bank 1 

Sensor 1

P0036

HO2S Heater Control 

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 

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 

P0037

HO2S Heater Control 

Circuit Low, Bank 1 

Sensor 2

P0038

HO2S Heater Control 

Circuit High, Bank 1 

Sensor 2

SAE-
DTC

DTC text

Corrective action

P0101

Mass or Volume Air Flow 

Circuit Range/Performance

z

Check Mass Air Flow (MAF) Sensor -G70-. See MASS 

AIR FLOW (MAF) SENSOR, CHECKING 

z

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

INTAKE SYSTEM FOR LEAKS (FALSE AIR), 

CHECKING 

P0102

Mass or Volume Air Flow 

Circuit Low Input

P0103

Mass or Volume Air Flow 

Circuit High Input

P0112

Intake Air Temperature Sensor 

1 Circuit Low

z

Check Intake Air Temperature (IAT) Sensor -G42-. See 

CHECKING INTAKE AIR TEMPERATURE (IAT) 

SENSOR 

P0113

Intake Air Temperature Sensor 

1 Circuit High

SAE-
DTC

DTC text

Corrective action

P0116

Engine Coolant Temperature 

Circuit Range/Performance

z

Check Engine Coolant Temperature (ECT) Sensor -

G62-. See ENGINE COOLANT TEMPERATURE 

(ECT) SENSOR, CHECKING 

P0117

Engine Coolant Temperature 

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P0130-P0135 

DIAGNOSTIC TROUBLE CODE P0136-P0141 

Circuit Low

z

Check thermostat: 

See COOLING SYSTEM COMPONENTS -

ENGINE SIDE, REMOVING AND 

INSTALLING .

P0118

Engine Coolant Temperature 

Circuit High

P0120

Throttle/Pedal Position 

Sensor/Switch "A" Circuit

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING 

P0121

Throttle/Pedal Position 

Sensor/Switch "A" Circuit 

Range/Performance

P0122

Throttle/Pedal Position 

Sensor/Switch "A" Circuit Low

P0123

Throttle/Pedal Position 

Sensor/Switch "A" Circuit High

SAE-
DTC

DTC text

Corrective action

P0130

O2 Sensor Circuit, 

Bank 1 Sensor 1

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 

P0131

O2 Sensor Circuit 

Low Voltage, Bank 

1 Sensor 1

P0132

O2 Sensor Circuit 

High Voltage, Bank 

1 Sensor 1

P0133

O2 Sensor Circuit 

Slow Response, 

Bank 1 Sensor 1

P0134

O2 Sensor Circuit 

No Activity 

Detected, Bank 1 

Sensor 1

P0135

O2 Sensor Heater 

Circuit, Bank 1 

Sensor 1

z

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

Way Catalytic Converter (TWC). See OXYGEN SENSOR 

HEATER FOR OXYGEN SENSOR BEFORE THREE WAY 

CATALYTIC CONVERTER (TWC), CHECKING 

SAE-
DTC

DTC text

Corrective action

P0136

O2 Sensor Circuit, 

Bank 1 Sensor 2

z

Check Oxygen Sensor (O2S) and oxygen sensor control behind 

Three Way Catalytic Converter (TWC). See CHECK OXYGEN 

SENSOR AND OXYGEN SENSOR REGULATION BEHIND 

P0137

O2 Sensor Circuit 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

Content   ..  1946  1947  1948  1949   ..