Volkswagen New Beetle. Manual - part 1960

 

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Volkswagen New Beetle. Manual - part 1960

 

 

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

  

If the specified values are exceeded: 

z

EVAP canister system, checking for proper seal, see EVAP CANISTER SYSTEM, CHECKING FOR 
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- 

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
 ; PID 5, Coolant temperature.  

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 5 minute road test in the highest gear or in the highest driving mode on a level driving surface. 

z

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

z

Engine speed approx. 1800 to 2200 RPM, see DIAGNOSTIC MODE 1: CHECK MEASURED 
VALUES
 ; PID 12, engine rotations per minute (RPM)  

z

Vehicle speed constant 90 km/h, see DIAGNOSTIC MODE 1: CHECK MEASURED VALUES ; PID 
13, Vehicle speed  

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

z

Large/small leak  

1.6..1.90

-

1.65...1.90

-

z

Reed contact not closed  

-

0.5/s

-

0.5/s

z

Reed contact does not open  

-

25

-

30

z

Tank ventilation system not 
OK during initial flush  

30

-

0

-

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 1.8L 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 09: Engine Coolant Temperature (ECT) sensor".  

z

Check specified values at idle.  

Evaluation test-ID 09: 

EVALUATION TEST-ID 09: SPECIFIED VALUE SPECIFICATION 

If specified value is not obtained: 

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) 

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 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.  

Engine Coolant Temperature (ECT) Sensor -G62-

Specified value:

min.

max.

z

Coolant temperature  

80.3 °C

115 °C

NOTE:

Only if engine does not start: 

z

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

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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