VW Beetle (1Y) Roof Electronics

From Ross-Tech Wiki

Reading Roof Electronics Switch Conditions, Electric Power Top

Measuring Block Group 001 (Top in closed and latched position)
Field 3 X Field 4 Data
0 0 X 1 1 0 0 0 1 0 0 1 F323
F324
Not used, always "0"
F325
F326
Not used, always "0"
X
F171 (open roof position)
F171 (closed roof position)
F202
Not used, always blank
F328
Not used, always "0"


Measuring Block Group 001 (Top in open and locked position)
Field 3 X Field 4
0 0 X 0 0 1 0 1 0 0 1 0


Opening the top

  • Top closed and latched, field 3: 00 110
  • Top closed and latched, filed 4: 001001
    • no warnings if driven like this


  • Top closed and unlatched, field 3: 00 010
  • Top closed and unlatched, field 4: 001001
    • F202 switch goes from "1" to "0"


  • Top just starting to open, field 3: 00 000
  • Top just starting to open, field 4: 001001
    • F171 Top Posistion switch changes from "1" to "0" (closed position status)


  • Top about 90% open, field 3: 00 001
  • Top about 90% open, field 4: 001001
    • F171 Top position switch changes from "0" to "1" (open position status)


  • Top fully open, top locks start to cycle, field 3: 00 001
  • Top fully open, top locks start to cycle, field 4: 000000
    • F325 and F325 change from "1" to "0"


  • Top fully open, top locks fully cycled, field 3: 00 001
  • Top fully open, top locks fully cycled, field 4: 010010
    • F326 and F324 change from "0" to "1"
    • no warnings if driven like this


  • Customer installs boot cover over top, field 3: 01 001
  • Customer installs boot cover over top, field 4: 010010
    • F328 changes from "0" to "1" when installed.


Closing the top

  • Top open and locked, field 3: 00 001
  • Top open and locked, field 4: 010010
    • no warnings, safe to drive


  • Top open and unlocking, field 3: 00 001
  • Top open and unlocking, field 4: 000000
    • Top lock motors cycle behind rear seats


  • Top open and unlocked for closing, field 3: 00 001
  • Top open and unlocked for closing, field 4: 001001
    • Top locks fully cycles to thier unlock position, top starts to move now


  • Top going towards closing position, field 3: 00 000
  • Top going towards closing position, field 4: 001001


  • Top about 90% closed, field 3: 00 010
  • Top about 90% closed, field 4: 001001


  • Top closed and latched, field 3: 00 110
  • Top closed and latched, filed 4: 001001