Volkswagen New Beetle. Manual - part 1925

 

  Index      Volkswagen     Volkswagen New Beetle 1998-2008 year - service repair manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1923  1924  1925  1926   ..

 

 

Volkswagen New Beetle. Manual - part 1925

 

 

z

Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter, see EXHAUST 
SYSTEM COMPONENTS, REMOVING AND INSTALLING
 , item 8.  

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 .  

Evaluation test-ID 131 Bank 1 Sensor 1: Dynamic value 

EVALUATION TEST-ID 131 BANK 1 SENSOR 1: DYNAMIC VALUE SPECIFICATION 

If specified values are not obtained: 

z

Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter, see EXHAUST 
SYSTEM COMPONENTS, REMOVING AND INSTALLING
 , item 8.  

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 .  

Evaluation test-ID 132 Bank 1 Sensor 1: Oxygen sensor shift via oxygen sensor control behind Three 
Way Catalytic Converter (TWC) (bank 1 sensor 2)
 

EVALUATION TEST-ID 132 BANK 1 SENSOR 1: OXYGEN SENSOR SPECIFIED VALUE 

If specified values are not obtained: 

z

Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter, see EXHAUST 
SYSTEM COMPONENTS, REMOVING AND INSTALLING
 , item 8.  

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 .  

Diagnostic mode 6: Check test results of components that are not continuously monitored 

Function 

This diagnostic mode displays the test results of emission relevant components and systems which are not 
continuously monitored. 

Specified value:
min.

max.

0.00

4.0

Specified value:
min.

max.

-0.05

0.05

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 1.8L Generic Scan Tool - New Beetle

  

The values of the individual test results must reach the specified value or must be within the min.- and max. -
limits. 

DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS 

Test-ID 01: Catalytic converter 

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 at least 80 °C, see DIAGNOSTIC MODE 1: CHECK MEASURED 
VALUES
 ; PID 5, Coolant temperature.  

Work procedure 

z

Read readiness code, see READ READINESS CODE .  

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 01: Catalytic converter".  

z

Check specified values at idle.  

Evaluation test-ID 01: 

EVALUATION TEST-ID 01: SPECIFIED VALUE SPECIFICATION 

z

End diagnosis and switch ignition off. 

If the specified values are exceeded: 

Test-ID

Component, System

Test

01:

Catalytic converter

See TEST REQUIREMENTS

03:

Secondary Air Injection (AIR) system

See TEST REQUIREMENTS

05:

Tank ventilation system

See TEST REQUIREMENTS

09:

Engine Coolant Temperature (ECT) Sensor -G62-

See TEST REQUIREMENT

Catalytic converter

Vehicles with engine 

code APH

Vehicles with engine 

code AWP, AWV

Specified value:

Specified value:

min.

max.

min.

max.

z

Catalytic converter monitoring 
bank 1, aging value  

0.0977

0.3320

0.1992

0.2500

z

Catalytic converter monitoring 
bank 1, aging value, short test  

-

0.3789

-

0.3516

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 1.8L Generic Scan Tool - New Beetle

  

z

Replace the front exhaust pipe with catalytic converter, see EXHAUST SYSTEM COMPONENTS, 
REMOVING AND INSTALLING
 , item 4.  

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 03: Secondary Air Injection (AIR) system 

Test requirements 

z

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

Work procedure 

z

Read readiness code, see READ READINESS CODE .  

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 03: Secondary Air Injection (AIR) system"  

z

Check specified values at idle.  

Evaluation test-ID 03: 

EVALUATION TEST-ID 03: SPECIFIED VALUE SPECIFICATION 

z

End diagnosis and switch ignition off. 

If the specified values are not reached: 

z

Check secondary air system for proper seal, see CHECKING SECONDARY AIR SYSTEM FOR 
PROPER SEAL
 .  

z

Check combination valve, see COMBINATION VALVE, CHECKING .  

z

Check Secondary Air Injection (AIR) Pump Motor -V101-, see SECONDARY AIR INJECTION 

Secondary Air Injection (AIR) 
system

Vehicles with engine 

code APH

Vehicles with engine 

code AWP, AWW

Specified value:

Specified value:

min.

max.

min.

max.

z

reduced secondary air mass 
bank 1  

0.5

-

0.4530

-

z

very small secondary air mass 
bank 1, short test  

0.102

-

0.3984

-

z

Leakage bank 1, short test  

-

14.0 kg/h

-

2.0 kg/h

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 1.8L Generic Scan Tool - New Beetle

  

(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
 ; PID 5, Coolant temperature.  

Work procedure 

z

Read readiness code, see READ READINESS CODE .  

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: 

EVALUATION TEST-ID 05: SPECIFIED VALUE SPECIFICATION 

EVALUATION TEST-ID 05: SPECIFIED VALUE SPECIFICATION 

Tank ventilation system

Specified 

value:

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

min.

max.

z

Passive test (can only check OK)  

0.1484

-

z

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

0.070

-

z

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

-0.070

-

z

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

30%

-

z

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

30%

-

Tank ventilation system

Vehicles with engine 

code APH

Vehicles with engine 

code AWP, AWW

Specified value:

Specified value:

Tank seal

min.

max.

min.

max.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 1.8L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1923  1924  1925  1926   ..