Jetta L4-2.0L (AZG) (2004)
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Connect VAG 1551 Scan Tool, select operating mode 1 "Rapid data transfer", switch on ignition and enter address word 17, "Instrument cluster".
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Press -Q- button to confirm input.
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Press -> button until "Select function" appears in display.
Indicated on display:
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- to select "Read Measuring Value Block" function 08.
Indicated on display
Rapid data transfer
Q
08 - Read Measuring Value Block
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Press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block
Input display group number XX
Selectable display group numbers, overview
Indicated on display: (1 to 4 = display fields)
Read Measuring Value Block XXX
->
1
2
3
4
Display group
Designations
022
1 =
Start procedure permitted
2 =
Engine Control Module (ECM) responding
3 =
Key condition OK
4 =
Number of adapted keys
023
1 =
Variable code authorized
2 =
Key (transponder) status
3 =
Fixed code authorized
4 =
Immobilizer status
025
1 =
CAN Bus communication (with ECM)
NOTE:
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Measuring value block always indicates condition of immobilizer that was valid after ignition was switched on.
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A change in this condition due to electrical malfunctions that occurred since ignition was switched on again and the function "Read measuring
value block" is called up again.
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Interpreting measured values in individual display fields.
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When printer is switched on, the actual display is printed out.
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Press -> button if measured value specification are met in all display fields.
Measuring values, interpreting
Display group 022
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Press buttons -0- once and -2- twice to enter display group number 022.
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Press -Q- button to confirm input.
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Indicated on display (example only)
Read Measuring Value Block 22
->
1 1 1 3