Volkswagen New Beetle. Manual - part 1946

 

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Volkswagen New Beetle. Manual - part 1946

 

 

z

Select the "Test-ID 03: Secondary Air Injection (AIR) system"  

z

Check specified values at idle.  

EVALUATION TEST-ID 03: SECONDARY AIR INJECTION (AIR) SYSTEM 

z

End diagnosis and switch ignition off.  

If the specified values are not reached: 

z

Check secondary air system for proper seal. See SECONDARY AIR INJECTION (AIR) SYSTEM, 
CHECKING FOR PROPER SEAL
 .  

z

Check Secondary Air Injection (AIR) Pump Motor -V101-. See SECONDARY AIR INJECTION 
(AIR) PUMP MOTOR, CHECKING
 .  

z

Check combination valve. See COMBINATION VALVE, CHECKING .  

z

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

z

Check Secondary Air Injection (AIR) Pump Motor -V101-. See SECONDARY AIR INJECTION 
(AIR) PUMP MOTOR, CHECKING
 .  

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 .  

Test-ID 05: Tank ventilation system 

Test requirements 

z

There must not be any DTCs stored in DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC 
MEMORY
 .  

z

Coolant temperature must be 80 to 110 °C. See DIAGNOSTIC MODE 1: CHECK MEASURED 
VALUES
 .  

Work procedure 

z

Read readiness code. See READ READINESS CODE 

Vehicles with 
engine code

AEG

AVH

AZG, 

BDC

Specified 

value:

Specified 

value:

Specified 

value:

min.

max.

min.

max.

min.

max.

reduced secondary 
air mass bank 1

32.00

-

0.20

-

0.35

-

very small 
secondary air mass 
bank 1, short test

-

-

0.00

-

0.60

-

 

2003 Volkswagen New Beetle GLS 

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

  

z

Let engine run at idle.  

z

Under address word 33, select "Diagnostic mode 6: Check test results of components that are not 
continuously monitored".  

z

Select the "Test-ID 05: Tank ventilation system".  

z

Check specified values at idle.  

EVALUATION TEST-ID 05: TANK VENTILATION SYSTEM (1 Of 2) 

EVALUATION TEST-ID 05: TANK VENTILATION SYSTEM (2 Of 2) 

If the specified values are exceeded: 

z

EVAP canister system, checking for proper seal. See EVAP CANISTER SYSTEM, CHECKING FOR 

Vehicles with engine code

AEG

AVH, AZG, 

BDC

Specified 

value:

Specified 

value:

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

min.

max.

min.

max.

Passive test (can only check OK)

-

-

0,1484

-

Active test: Deviation of oxygen sensor control in 
direction "lean" (can only check OK), short test

-

246,000

0,070

-

Active test: Deviation of oxygen sensor control in 
direction "rich" (can only check OK), short test

10,000

-

-0,070

-

Active test: Air balance at idle OK, also short test

-

-

32,900

-

Active test: Air balance at idle not OK, also short test

-

-

32,900

-

Vehicles with 
engine code

AEG

AVH, AZG 

Up to model 

year 2002

AVH, AZG, 

BDC From 
model year 

2002

Specified 

value:

Specified 

value:

Specified 

value:

Tank seal

min.

max.

min.

max.

min.

max.

Large/small leak

-

-

1,90..0,95

-

1,90

-

Reed contact not 
closed

-

-

-

1,00

-

0,5

Reed contact 
does not open

-

-

-

25,00

-

30,00

Tank ventilation 
system not OK 
during initial 
flush

-

-

-

-

0

-

Pinhole leak

-

-

1,90..0,00

-

5,8

-

 

2003 Volkswagen New Beetle GLS 

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

  

PROPER SEAL .  

z

Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. See EVAPORATIVE 
EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE, CHECKING
 .  

z

Leak Detection Pump (LDP) -V144-, checking. See CHECK LEAK DETECTION PUMP (LDP) .  

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 .  

Test-ID 09: Engine Coolant Temperature (ECT) Sensor -G62- (Vehicles with engine code AVH, AZG, BDC) 

Test requirement 

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 CONNECT DIAGNOSTIC TESTER .  

z

Perform a road test until a coolant temperature of 80 to 100° C has been reached. See DIAGNOSTIC 
MODE 1: CHECK MEASURED VALUES
 .  

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

z

Switch ignition off.  

z

Start engine at a coolant temperature of 80 to 90° C and let it run at idle.  

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.  

z

Let engine run at idle.  

z

Under address word 33, select "Diagnostic mode 6: Check test results of components that are not 
continuously monitored".  

z

Select the "Test-ID 09: Engine Coolant Temperature (ECT) sensor".  

z

Check specified values at idle.  

EVALUATION TEST-ID 09: ECT SENSOR 

Engine Coolant Temperature (ECT) Sensor -G62-

Specified value:

min.

max.

z

Coolant temperature  

80° C

115° C

 

2003 Volkswagen New Beetle GLS 

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

  

z

End diagnosis and switch ignition off.  

If specified value is not obtained: 

z

Check Engine Coolant Temperature (ECT) Sensor -G62-. See ENGINE COOLANT TEMPERATURE 
(ECT) SENSOR, CHECKING
 .  

z

Check thermostat: See applicable repair manual.  

Diagnostic mode 7: Check test results of components that are continuously monitored 

Function 

This diagnostic mode indicates all stored DTCs of components and systems which are continuously monitored. 

Requirement 

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 CONNECT DIAGNOSTIC TESTER .  

z

Start engine and let run at idle.  

z

Operate starter for approx. 6 seconds. Do not switch ignition off afterward.  

z

Under address word 33, select "Diagnostic mode 7: Check test results of components that are 
continuously monitored".  

The number of stored malfunctions or "0 malfunctions detected" is displayed. 

z

End diagnosis and switch ignition off.  

z

Repair stored malfunctions according to DTC table:  

z

SAE P0xxx-DTCs. See SAE P0xxx-DTCs .  

z

SAE P1xxx-DTCs. See SAE P1XXX-DTCS .  

z

SAE P2xxx-DTCs. See SAE P2XXX-DTCS .  

z

SAE P3xxx-DTCs. See SAE P3XXX-DTCS .  

NOTE:

Only if engine does not start:

NOTE:

z

The DTC table is sorted by SAE codes.  

z

"E-Gas"-relevant malfunctions are also indicated by the warning lamp for 
Electronic Power Control ("EPC warning lamp") in the instrument cluster.  

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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