Volkswagen New Beetle. Manual - part 754

 

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Volkswagen New Beetle. Manual - part 754

 

 

DIAGNOSTIC TROUBLE CODE (DTC) - ITT MARK 20 IE (11 OF 20) 

Rear right 
speed sensor 
-G44 
Mechanical 
malfunction

(1)

z

Excessive air gap 

between right rear ABS 

wheel speed sensor -

G44- and rotor (signal 

not OK.)  

z

Check installation of speed sensor -G44- and rotor 

See ABS SYSTEM COMPONENTS FOR 

FRONT AXLE, REMOVING AND 

INSTALLING or ABS SYSTEM 

COMPONENTS ON REAR AXLE, 

REMOVING AND INSTALLING .

z

Read measured value block, see READ 

MEASURING VALUE BLOCK (FUNCTION 

08) Display group number 002 

z

Perform output Diagnostic Test Mode (DTM), see 

OUTPUT DIAGNOSTIC TEST MODE 

(FUNCTION 03)

 

 

If the malfunction occurs again:

 

z

Outlet valve in ABS 

hydraulic unit -N55- 

faulty  

z

Replace ABS hydraulic unit -N55-

 

 

See ABS CONTROL MODULE AND HYDRAULIC 

UNIT, REMOVING AND INSTALLING 

HYDRAULIC UNIT, BRAKE BOOSTER/MASTER 

CYLINDER - ASSEMBLY OVERVIEW .

(1)

Type of DTC, this DTC is only recognized above 20 km/h (13 MPH) (carry out test drive).

V.A.G 
1551 
print-out

Possible cause

Corrective action

00290
Rear left 
speed 
sensor 
-G46-

(1)

 

Fault in 
electrical 
circuit

z

Open circuit, short to positive or 

Ground, or loose contact in 
connections between speed 

sensor -G46- and ABS control 

module (w/EDL) -J104-  

z

Check wiring and connections using wiring 

diagram 

z

Perform electrical checks, see 

ELECTRICAL TESTING

 

z

Left rear ABS wheel speed 

sensor windings -G46- faulty  

z

Damaged rotor or left rear ABS 

wheel speed sensor -G46  

z

Check left rear ABS wheel speed sensor -

G46- and rotor for damage 

z

Replace rotor/left rear ABS wheel speed 

sensor -G46 

 

 

See ABS SYSTEM COMPONENTS FOR 

FRONT AXLE, REMOVING AND 

INSTALLING or ABS SYSTEM 

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

DIAGNOSTIC TROUBLE CODE (DTC) - ITT MARK 20 IE (12 OF 20) 

DIAGNOSTIC TROUBLE CODE (DTC) - ITT MARK 20 IE (13 OF 20) 

COMPONENTS ON REAR AXLE, 

REMOVING AND INSTALLING .

 

 

If the malfunction occurs again:

 

z

ABS control module (w/EDL) -

J104- faulty  

z

Replace ABS control module (w/EDL) -J104-

 

 

See ABS CONTROL MODULE AND 

HYDRAULIC UNIT, REMOVING AND 

INSTALLING ; HYDRAULIC UNIT, BRAKE 

BOOSTER/MASTER CYLINDER -

ASSEMBLY OVERVIEW .

(1)

This fault is recognized when vehicle is stationary.

V.A.G 1551 
print-out

Possible cause

Corrective action

00290
Rear left 
speed sensor 
-G46 
Signal 
outside 
tolerances

(1)

z

Open circuit, short to positive or 

Ground, or loose contact in 

connections between left rear ABS 

wheel speed sensor -G46- and 

ABS control module (w/EDL) -

J104-  

z

Check wiring and connections using 

wiring diagram 

z

Perform electrical checks, see 

ELECTRICAL TESTING

 

z

Electrical interference from other 

sources (high frequency radiation 

e.g. non-insulated ignition cable)  

z

Read measured value block, see READ 

MEASURING VALUE BLOCK 

(FUNCTION 08) Display group number 

001 

 

z

Damaged rotor or left rear ABS 

wheel speed sensor -G46-  

 

 

z

Excessive air gap between left rear 

ABS wheel speed sensor -G46- 

and rotor (signal not OK.)  

z

Check left rear ABS wheel speed sensor -

G46- and rotor for damage 

z

Replace rotor/speed sensor 

 

 

See ABS SYSTEM COMPONENTS FOR 

FRONT AXLE, REMOVING AND 

INSTALLING or ABS SYSTEM 

COMPONENTS ON REAR AXLE, 

REMOVING AND INSTALLING .

(1)

Type of DTC; this DTC is only recognized above 20 km/h (13 MPH) (carry out test drive).

V.A.G 1551 
print-out

Possible cause

Corrective action

00290

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

DIAGNOSTIC TROUBLE CODE (DTC) - ITT MARK 20 IE (14 OF 20) 

Rear left 
speed sensor 
-G46 
Mechanical 
malfunction

(1)

z

Excessive air gap 

between left rear ABS 

wheel speed sensor -

G46- and rotor (signal 

not OK.)  

z

Check installation of left rear ABS wheel speed 

sensor -G46- and rotor 

See ABS SYSTEM COMPONENTS FOR 

FRONT AXLE, REMOVING AND 

INSTALLING or ABS SYSTEM 

COMPONENTS ON REAR AXLE, 

REMOVING AND INSTALLING .

z

Read measured value block, see READ 

MEASURING VALUE BLOCK (FUNCTION 

08) Display group number 002 

z

Perform output Diagnostic Test Mode (DTM), see 

OUTPUT DIAGNOSTIC TEST MODE 

(FUNCTION 03)

 

 

If the malfunction occurs again:

 

z

Outlet valve in ABS 

hydraulic unit -N55- 

faulty  

z

Replace ABS hydraulic unit -N55-

 

 

See ABS CONTROL MODULE AND HYDRAULIC 

UNIT, REMOVING AND INSTALLING 

HYDRAULIC UNIT, BRAKE BOOSTER/MASTER 

CYLINDER - ASSEMBLY OVERVIEW .

(1)

Type of DTC; this DTC is only recognized above 20 km/h (13 MPH) (carry out test drive).

V.A.G 1551 
printout

Possible cause

Corrective action

00668
Battery Positive 
Voltage (B+) 
Term.30 
Signal outside 
tolerances

z

Malfunctioning voltage supply 

wires, connections, fuses -

S178- and -S179-  

z

Check fuses, wires, connections as well 

as the voltage supply to control module. 

z

Check wiring in wiring harness test step 

no. 2, see BRAKE LIGHT SWITCH, 

ADJUSTING , Electrical testing. 

For MY 1998: 

z

Check Ground No. 45 per wiring 

diagram. 

01044
Control Module 
incorrectly coded

z

Incorrect code number was 

entered using VAG1551 scan 

z

Check control module coding, see 

CODE CONTROL MODULE 

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

DIAGNOSTIC TROUBLE CODE (DTC) - ITT MARK 20 IE (15 OF 20) 

DIAGNOSTIC TROUBLE CODE (DTC) - ITT MARK 20 IE (16 OF 20) 

tool  

z

Open or short circuit in wiring 

harness connector from 

terminal 3 to terminal 14.  

(FUNCTION 07) 

z

Check wiring in wiring harness test step 

no. 13, see BRAKE LIGHT SWITCH, 

ADJUSTING , Electrical testing. 

V.A.G 1551 
print-out

Possible cause

Corrective action

01130
ABS 
operation 
Implausible 
signal

(1)

z

Electrical interference from 

other sources (high 

frequency radiation e.g. 

non-insulated ignition 

cable)  

z

Erase DTC memory 

z

Perform test drive at more than 20 km/h (13 

MPH) 

z

Check DTC memory again 

 

z

Open circuit, short to 

positive or Ground in the 

wiring  

z

Check wiring and connections using wiring 

diagram 

 

 

z

Perform electrical checks, see ELECTRICAL 

TESTING

 

 

If the malfunction occurs again:

 

z

ABS control module 

(w/EDL) -J104- faulty  

z

Replace ABS control module (w/EDL) -J104-

 

 

See ABS CONTROL MODULE AND 

HYDRAULIC UNIT, REMOVING AND 

INSTALLING ; HYDRAULIC UNIT, BRAKE 

BOOSTER/MASTER CYLINDER - ASSEMBLY 

OVERVIEW .

(1)

Type of DTC; this DTC is only recognized above 20 km/h (13 MPH) (carry out test drive).

V.A.G 1551 
print-out

Possible cause

Corrective action

01276
ABS 
hydraulic 
pump 
-V64 
Signal 
outside 
tolerances 

(1)

z

ABS Hydraulic 

pump -V64- 

connector to control 

module faulty  

z

Perform output Diagnostic Test Mode (DTM), see 

OUTPUT DIAGNOSTIC TEST MODE 

(FUNCTION 03)

 

z

Open circuit, short to 

positive or Ground 

z

Check wiring and connections using wiring diagram 

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

 

 

 

 

 

 

 

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