Volkswagen Golf / Golf GTI / Jetta. Manual - part 160

01-182

 

  

  

Measured value (data) blocks 

  

  

Safety precautions

 

  

   Observe following if test and measuring 

instruments are required during a road test:  

  

  

 Test and measuring instruments must be 

secured to rear seat and operated by a 2nd 
person from this location. 

  

  

   If test and measuring instruments are operated 

from front passenger's seat and the vehicle is 
involved in an accident, there is a possibility that 
the person sitting in this seat may receive 
serious injuries when the airbag is triggered. 

Measured value (data) blocks

01-183

 

  

  

Read measured value (data) 
block

 

  

  

The measured values in the 
functions read measured value block 
and basic setting are described 
during the individual component test. 
This table serves only as an 
overview.  

  

  

Special tools and equipment  

    

Note:  

All functions which could previously 
be performed with VAG 1551/1552 
can also be performed with the 
vehicle diagnostic, testing and 
information system VAS 5051. 

Test requirements  

 VAG 1551 scan tool (or VAG 

1552 vehicle system tester) with 
VAG 1551/3 adapter cable 

    

 The fuses must be OK. 

Measured value (data) blocks

01-184

 

    

 The main fuses must be OK. 

 The battery voltage must be at 

least 11.5 V. 

 Ground (GND) connection 

between engine and body must 
be OK. 

 All electrical devices, e.g. lights 

and rear window defroster must 
be switched off. 

 If the vehicle is equipped with air 

conditioning, this must be 
switched off. 

 Selector lever must be in 

position "P" or "N" on vehicles 
with an automatic transmission. 

 Coolant temperature must be at 

least 85  C, 

display group 1, 

display zone 2. 

 Three Way Catalytic Converter 

(TWC) temperature must be at 
least 380  C, 

display group 

46, display zone 2. 

 No Diagnostic Trouble Codes 

(DTCs) must be stored in DTC 
memory 

 

Page 01-23

 , DTC 

memory, checking and erasing. 

Measured value (data) blocks

01-185

 

  

  

Work sequence  

  

  

-  Connect VAG 1551 scan tool ((VAG 1552) and 

select Engine Control Module (ECM) with the 
"Address word" 01. When doing this the engine 
must be running at idle: (Connecting scan tool 
and selecting Engine Control Module (ECM) 

 

Page 01-12

 ). 

Rapid data transfer 

HELP

Select function XX

     Indicated on display:  

-  Press buttons -0- and -8- for function "Read 

measured value (data) block" and confirm entry 
with -Q- button. 

Read measured value (data) block

Input display group number XXX

     Indicated on display:  

Note:  

The display group number 1 is an example, to 
illustrate the sequence. 

-  Select required display group number. 

-  Press buttons -0-, -0- and -1- for "Display group 

number 1" and confirm entry with -Q- button. 

Measured value (data) blocks