Volkswagen Jetta 2000 User manual

Instrument panel, On Board Diagnostic (OBD) (through MY 1999)
Clock, correcting
Code Control Module
Consumption indicator, matching
Display group overview
Distance impulse number (K number), reading
Distance travelled (odometer) display, adapting
Fuel gauge (adaptation), checking
Language alternatives for drivers instructions, adapting
Locations of instrument panel senders and sensors
On Board Diagnostic, initiating
Output Diagnostic Test Mode
Read Measuring Value Block
Service interval display, resetting
Service interval, adapting data when changing the instrument panel
Instrument panel On Board Diagnostic (OBD) (from MY 2000)
Code Control Module
Consumption indicator, matching
Display group overview
Distance impulse number (K number), reading
Distance travelled (odometer) display, adapting
Fuel gauge (adaptation), checking
Instrument panel senders and sensors, locations
Language alternatives, adapting for drivers instructions
On Board Diagnostic, initiating
Output Diagnostic Test Mode
Read Measuring Value Block
Service interval data, adapting when changing the instrument panel
Service interval display, resetting
Diagnostic interface for databus
Code Control Module
Display group overview
Read Measuring Value Block
Anti-theft immobilizer On Board Diagnostic (OBD)
Diagnostic Trouble Code (DTC) table
Emergency start function, activating without VAG 1551
Ignition keys, matching
Immobilizer On Board Diagnostic (OBD), initiating
Immobilizer, troubleshooting
Lost key procedure
Procedure after changing engine control module (Matching)
Procedure after changing instrument cluster (Matching)
Read Measuring Value Block
Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
01 On Board Diagnostic (OBD) (Page GR-01)
Volkswagen Technical Site - http://volkswagen.msk.ru

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-1)
Notes:
The instrument panel is installed in conjunction with vehicle equipment level, there are different
versions:
Lowline version with rev counter and digital clock or
Midline version with rev counter and multi-function indicator or
Highline version with rev counter, multi-function indicator and navigation display unit.
Notes when exchanging instrument panels
Instrument panels which do not have the function "Convenience anti-theft system" have a control
unit part number where the last number is a 0 (production to approx. 07.98).
Instrument panels which do have the function "Convenience anti-theft system" have a control unit
part number where the last number is a 1 (production from approx. 08.98).
If a instrument panel with the function "Convenience anti-theft system" is replaced, then for
vehicles with
Radio system Premium IV 05.98
the radio electronic anti-theft system must be reactivated.
Repair Manual, Radio, Telephone, Navigation , Repair Group 91

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-2)
The convenience anti-theft system is operative after first activation of electronic anti-theft system.
Notes on function of of convenience anti-theft system
Repair Manual, Radio, Telephone, Navigation , Repair Group 91
The instrument panel must not be dismantled.
If required the instrument panel is to be exchanged using normal exchange part
procedures.
Complete damage report form and return together with instrument panel.
Use original packaging only when returning items.
The odometer reading and the service interval display can be matched to the
exchange instrument panel using scan tool VAG 1551 Page 01-48.
The instrument panel is controlled via a microprocessor which is equipped with an extensive self-
diagnosis.
If faults occur in the sensors and components being monitored, they will be stored in the fault
memory together with an indication of the type of fault.

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-3)
A maximum of 4 faults can be stored simultaneously.
Sporadic faults are automatically cancelled if they are not repeated in next 50 engine starts.
The On Board Diagnostic must be initiated at the commencement of fault finding and the stored
information interrogated with the
Vehicle Diagnosis, Testing and Information system VAS 5051 or
Scan tool VAG 1551 or
Vehicle system tester VAG 1552.
Notes:
The following description deals only with the scan tool VAG 1551.
Measures for repairing commonly occurring faults on particular models
Technical Service Handbook

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-4)
Locations of instrument panel senders and sensors
WARNING!
Disconnect battery earth strap before working on electrical system.
1 - Fuel gauge sender -G
Location Fig. 1
Monitored via self-diagnosis
An additional fuel gauge sender -G169- is installed in four-wheel drive vehicles
Location of -G169- Fig. 2
2 - Ambient temperature sender -G17
Location Fig. 3
Monitored via self-diagnosis

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-5)
3 - Speedometer sender -G22
Location Fig. 4
Monitored via self-diagnosis
4 - Coolant temperature sender -G2
Location depends on type of engine
Repair Manual, Fuel Injection & Ignition, Repair Group 24
Monitored via self-diagnosis
5 - Instrument panel -K
Monitored via self-diagnosis

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-6)
Fig. 1 Fuel gauge sender -G
The fuel gauge sender -G- is located in the fuel tank on the fuel delivery unit -arrow-.
Removing and installing fuel delivery unit
Repair Manual, Engine Mechanical, Repair Group 20
Fig. 2 Additional fuel gauge sender -G169- in four-wheel drive vehicles
In addition to the above mentioned sender -G- there is another sender -G169- in the vehicle
which is located on the left-hand side under the rear seat.

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-7)
Fig. 3 Ambient temperature sender -G17
The ambient temperature sender -G17- is located on left of front bumper behind the outer air
grille.
Unclip air grille to remove sender.
Repair Manual, Body-Exterior, Repair Group 63
Fig. 4 Speedometer sender -G22
The speedometer sender -arrow- is located in the area of the left-hand drive shaft flange on
manual and automatic gearbox vehicles.

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-8)
On Board Diagnostic, initiating
Special tools, testers, measuring units and auxiliary items required
Scan tool VAG 1551 or vehicle system tester VAG 1552.
VAG 1551/3 or 1551/3A adapter cable

Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Instrument panel, On Board Diagnostic (OBD) (through MY 1999) (Page 01-9)
Connecting scan tool VAG 1551 and selecting functions (Interrogating unit version)
Check prerequisites:
All fuses according to current flow diagram OK.
Supply voltage OK. (at least 9.0 V).
Connect scan tool using cable VAG 1551/3 as follows:
- Connect cable VAG 1551/3 to diagnosis connector located below dash to left of
steering column
Indicated on display:
* Appears alternately