Volkswagen New Beetle. Manual - part 1696

 

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

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1694  1695  1696  1697   ..

 

 

Volkswagen New Beetle. Manual - part 1696

 

 

Fig. 133: Locating Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Battery voltage must be at least 11.5 V  

z

All electrical accessories, e.g. lights and rear window defroster must be switched off  

z

If the vehicle is equipped with air conditioning, it must be turned off  

z

Selector lever must be in position "P" or "N" on vehicles with an automatic transmission  

z

Alternator OK.  

Test sequence 

z

Connect VAG 1551 scan tool ((VAG 1552). Start engine and select "Address word" 01 of Motronic 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Engine Control Module (ECM) -J220-. Engine must be running at idle speed. Connecting scan tool and 
selecting Motronic Engine Control Module (ECM) -J220-, see VAG 1551, CONNECTING AND 
SELECTING MOTRONIC ENGINE CONTROL MODULE (ECM) -J220-
 . 

Indicated on display 

Fig. 134: Identifying Scan Tool Display - ECM Voltage Supply, Checking (1 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press buttons -0- and -8- for function "Read measuring value block" and confirm entry with -Q- button. 

Indicated on display 

Fig. 135: Identifying Scan Tool Display - ECM Voltage Supply, Checking (2 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

z

Press buttons -0-, -0- and -4- for "Display group number 4" and confirm entry with -Q- button. 

Indicated on display (1 to 4 - Display zones) 

Fig. 136: Identifying Scan Tool Display - ECM Voltage Supply, Checking (3 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Read supply voltage for Motronic Engine Control Module (ECM) - J220- in display zone 2: 

Specification: At least 11.5 V 

DISPLAY GROUP 4: GENERAL ENGINE DATA 

 

Display zones

1

2

3

4

Display group 4: General engine data
Display

xxxx RPM

xx.xxx V

xxx.x °C

xxx.x °C

Indicated

Engine 

speed (in 

steps of 40)

Supply voltage for Motronic Engine 

Control Module (ECM) -J220-

Engine Coolant 

Temperature 

(ECT)

Intake air

temperature

Working 
range

0 to 6800 

RPM

0.000 to 16.500 V

-48.0 to 143.0 °C

-48.0 to 143.0

°C

Specification 760 to 810 

RPM

(1)

 

700 to 750 

RPM

(2)

>11.5 V

80.0 to 115.0 °C

-

-

If the specification is not obtained, see 

CHECKING VOLTAGE SUPPLY 
TERMINAL 30
 , Evaluating display 

group 4

-

-

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

z

Press --> button.  

z

Press buttons -0- and -6- for function "End output" and confirm entry with -Q- button.  

z

Switch off ignition. 

Evaluating display group 4, display zone 2 - Control module voltage supply 

EVALUATING DISPLAY GROUP 4, DISPLAY ZONE 2 - CONTROL MODULE VOLTAGE 
SUPPLY
 

If the specification is not obtained: 

z

Remove inner plenum chamber cover, left: 

See PLENUM CHAMBER INNER COVER, REMOVING AND INSTALLING 

z

ConnectVAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module 
(ECM) -J220- is not connected by this action. 

(1)

Engine idling at normal operating temperature for manual transmission

(2)

Engine idling at normal operating temperature for automatic transmission

Appears 
on display

Possible cause

Corrective action

Less than 
12.0 V

z

Alternator malfunctioning, battery 

heavily discharged  

z

Battery heavily loaded shortly after 

starting due to high charging current 

and current consumers  

z

Transfer resistance in the current 

supply or the Motronic Engine 
Control Module (ECM) -J220- 

Ground (GND) connection  

z

Current draw when ignition is off  

z

Check alternator and battery voltage,

charge battery

z

Increase revs (RPM) slightly for a few

minutes and switch off current

consumers

z

Check voltage supply terminal 30, see

CHECKING VOLTAGE SUPPLY

TERMINAL 30

z

- Check voltage supply terminal 15, see

CHECKING VOLTAGE SUPPLY

TERMINAL 15

z

Eliminate current draw

More than 
14.5 V

z

Voltage regulator on alternator 

malfunctioning  

z

Excess voltage due to jump starting 

or quick charging unit  

z

Check voltage regulator, replace if

necessary

z

Check DTC Memory, see DTC

MEMORY OF MOTRONIC ENGINE

CONTROL MODULE (ECM) -J220-,

CHECKING AND ERASING

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1694  1695  1696  1697   ..