Volkswagen New Beetle. Manual - part 1972

 

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Volkswagen New Beetle. Manual - part 1972

 

 

z

Start engine and let run at idle.  

z

Under address word 33, select "Diagnostic mode 1: Check measured values."  

z

select desired measuring value "PID 01".  

z

Observe the right 8-digit number block:  

If all diagnoses have run through successfully, the 8-digit number block 

Specified value: 00000000 must be displayed. 

Evaluation PID 01: System status-information (right 8-digit number block:) 

EVALUATION PID 01: SYSTEM STATUS-INFORMATION 

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

z

Generate readiness code. See READINESS CODE, GENERATING .  

Readiness code, generating 

Requirements 

Meaning if display position = 0
1

2 3 4 5 6 7 8

Diagnostic function

0

 

 

 

 

 

 

 

Exhaust gas recirculation OK

 

0  

 

 

 

 

 

Oxygen sensor heater OK 

z

not available/always "0" 

 

  0  

 

 

 

 

Oxygen sensors OK 

z

not available/always "0" 

 

 

  0  

 

 

 

A/C system OK 

z

not available/always "0" 

 

 

 

  0  

 

 

Secondary Air Injection (AIR) system OK 

z

not available/always "0" 

 

 

 

 

  0  

 

EVAP canister system (tank ventilation system) OK 

z

not available/always "0" 

 

 

 

 

 

  0  

Catalytic converter heater OK 

z

not available/always "0" 

 

 

 

 

 

 

  0

Catalytic converter OK 

z

not available/always "0" 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

z

The respective fuses of Diesel-Direct fuel injection system must be OK. 

Fig. 10: Identifying Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Battery voltage must be at least 11.5 Volts.  

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
 .  

Work procedure 

z

Connect diagnostic tester. See DIAGNOSTIC TESTER, CONNECTING .  

z

Switch ignition on.  

z

Wait 5 seconds.  

z

Let engine run at idle.  

z

Wait 45 seconds.  

z

Perform a road test. 

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

z

With accelerator pedal depressed completely, accelerate vehicle in 3. gear or in driving mode "3" from 50 
km/h to 120 km/h.  

z

Drive for 2 minutes in 4. gear or in driving mode "D" on a level driving surface at a constant vehicle 
speed with an engine speed of 1700 to 1900 RPM. 

NOTE:

Fuse holder is located behind access panel at far left end of dash.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

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

z

Park vehicle and switch off ignition.  

z

Wait 15 seconds.  

z

Switch ignition on.  

z

Wait 5 seconds.  

z

Let engine run at idle.  

z

Wait 45 seconds.  

z

Perform a road test anew.  

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

z

With accelerator pedal depressed completely, accelerate vehicle in 3. gear or in driving mode "3" from 50 
km/h to 120 km/h.  

z

Drive for 2 minutes in 4. gear or in driving mode "D" on a level driving surface at a constant vehicle 
speed with an engine speed of 1700 to 1900 RPM. 

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

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

Repeat complete work procedure. See WORK PROCEDURE .  

DIAGNOSTIC TROUBLE CODE (DTC) TABLES: 

SAE P0xxx-DTCs 

Fuel and air ratios 

DIAGNOSTIC TROUBLE CODES P0100-P0108 

NOTE:

z

Vehicle speed. See DIAGNOSTIC MODE 1: CHECK MEASURED VALUES ; 
PID 13, Vehicle speed.  

z

Engine speed. See DIAGNOSTIC MODE 1: CHECK MEASURED VALUES ; 
PID 12, engine rotations per minute (RPM).  

SAE-
DTC

DTC text

Corrective action

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

DIAGNOSTIC TROUBLE CODES P0116-P0128 

DIAGNOSTIC TROUBLE CODES P0181-P0183 

P0100

Mass or Volume Air Flow 

Circuit

z

Check Mass Air Flow (MAF) Sensor -G70-. See MASS 
AIR FLOW (MAF) SENSOR, CHECKING
 .  

P0101

Mass or Volume Air Flow 

Circuit Range/Performance

P0102

Mass or Volume Air Flow 

Circuit Low Input

P0103

Mass or Volume Air Flow 

Circuit High Input

P0105

Manifold Absolute 

Pressure/Barometric Pressure 

Circuit

z

Check Manifold Absolute Pressure (MAP) Sensor -G71-

and Barometric Pressure (BARO) Sensor -F96-. See 

MANIFOLD ABSOLUTE PRESSURE (MAP) 

SENSOR AND BAROMETRIC PRESSURE (BARO) 

SENSOR, CHECKING 

P0106

Manifold Absolute 

Pressure/Barometric Pressure 

Circuit Range/Performance

P0107

Manifold Absolute 

Pressure/Barometric Pressure 

Circuit Low Input

P0108

Manifold Absolute 

Pressure/Barometric Pressure 

Circuit High Input

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
 .  

z

Check coolant regulator: 

See COOLING SYSTEM COMPONENTS, 
ENGINE SIDE
 . 

P0117

Engine Coolant Temperature Circuit 

Low

P0118

Engine Coolant Temperature Circuit 

High

P0128

Coolant Thermostat (Coolant 

Temperature Below Thermostat 

Regulating Temperature)

z

Check coolant regulator: 

See COOLING SYSTEM COMPONENTS, 

ENGINE SIDE .

SAE-
DTC

DTC text

Corrective action

P0181

Fuel Temperature Sensor A Circuit 

Range/Performance

z

Check Fuel Temperature Sensor -G81-. See FUEL 

TEMPERATURE SENSOR, CHECKING 

P0182

Fuel Temperature Sensor A Circuit 

Low

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Generic Scan Tool, 1.9L ALH & BEW- New Beetle

  

 

 

 

 

 

 

 

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