Carsoft 7.4 can access the Vario Roof module through pin #20 on a 38pin connector using the VD Digital-Test (would also be available on OBD11 connector via breakout box...pin# unknown)
BI000
Multi-function control unit (N10-3) faulty Replace N10-3
BI0I0
Voltage terminal 30E < 10 V
BI0II
Voltage terminal 30E > 15
BI0I6
Terminal 31A missing (front power windows and inside light not functioning)
BI0I7
Terminal 31B missing (rear power windows and inside light not functioning)
BII20
Left front power window switch (front center console) (S21/1) sticks or short to ground
BII2I
Right front power window switch (front center console) (S21/2) sticks or short to ground
BI263
Hydraulic unit temperature (A7/5)> 95 °C
BI264
Hydraulic unit temperature (A7/5)> 120 °C
BI265
Temperature sensor line open or short
BI266
Soft top hydraulic unit (A7/5) blocked
BI267
Implausible status signal and speed signal at speed sensor
BI268
Status signal at speed sensor invalid
BI269
Vario roof switch (S84) or supply lead short to ground
BI270
Trunk lid "open" limit switch (S69/9) and left or right trunk lid "closed/locked" limit switch(S69/7 or S69/8) actuated simultaneously
BI27I
Vario roof "open/lowered" limit switch (S69/11) and vario roof "closed" limit switch (S69/1) actuated simultaneously
BI272
Limit switch signals S69/1 S69/2 S69/3 and S69/11 implausible i.e.vario roof "locked" limit switch left (S69/3) and/or right (S69/2) actuated, whereas vario roof "open/lowered" limit switch (S69/11) and vario roof "closed" limit switch (S69/1) not actuated
BI273
Limit switch signals S69/1 S69/7 S69/8 and S69/11 implausible i.e.: trunk lid "closed/locked" limit switch left (S69/7) and/or right (S69/8) actuated, whereas vario roof "open/lowered" limit switch(S69/11) and vario roof "closed" limit switch(S69/1) not actuated
BI274
No limit switch signal AD77.50-P-2000-07A
BI275
Trunk lid limit switch (S69/9) sticks or line open or short
BI276
Left or right trunk lid "closed/locked" limit switch (S69/7, S69/8) sticks or line open or short
BI277
Vario roof "open/lowered" limit switch (S69/11)sticks or line open or short
BI278
Vario roof "closed" limit switch (S69/1) sticks or line open or short
BI279
Right (S69/2) or left (S69/3) vario roof "locked" limit switch sticks or line open or short
BI282
Left front power window motor, no block-type current or multi-function control module (N10-3)
BI283
Right front power window motor, no block-type current or multi-function control module (N10-3)
BI400
Left front power window M10/3 or terminal 30A or multi-function control module (N10-3)
BI40I
Right front power window M10/4 or terminal 30A or multi-function control module (N10-3)
BI402
Left rear power window M10/5 or terminal 30B or multi-function control module (N10-3)
BI403
Right rear power window M10/6 or terminal 30B or multi-function control module (N10-3)
BI490
Lines pump relay (A7/5k1) short or multi-function control module(N10-3)
BI49I
Lines trunk lid cylinder (A7/5y2) short or multi-function control module(N10-3)
BI492
Lines vario roof solenoid valve (A7/5y1) short or multi-function control module (N10-3)
BI493
Gong control line open or short
BI494
Indicator lamp leads, vario roof switch (S84) short
ZIP file of doc with formatted table for printing
Vario Roof Codes
BI000
Multi-function control unit (N10-3) faulty Replace N10-3
BI0I0
Voltage terminal 30E < 10 V
BI0II
Voltage terminal 30E > 15
BI0I6
Terminal 31A missing (front power windows and inside light not functioning)
BI0I7
Terminal 31B missing (rear power windows and inside light not functioning)
BII20
Left front power window switch (front center console) (S21/1) sticks or short to ground
BII2I
Right front power window switch (front center console) (S21/2) sticks or short to ground
BI263
Hydraulic unit temperature (A7/5)> 95 °C
BI264
Hydraulic unit temperature (A7/5)> 120 °C
BI265
Temperature sensor line open or short
BI266
Soft top hydraulic unit (A7/5) blocked
BI267
Implausible status signal and speed signal at speed sensor
BI268
Status signal at speed sensor invalid
BI269
Vario roof switch (S84) or supply lead short to ground
BI270
Trunk lid "open" limit switch (S69/9) and left or right trunk lid "closed/locked" limit switch(S69/7 or S69/8) actuated simultaneously
BI27I
Vario roof "open/lowered" limit switch (S69/11) and vario roof "closed" limit switch (S69/1) actuated simultaneously
BI272
Limit switch signals S69/1 S69/2 S69/3 and S69/11 implausible i.e.vario roof "locked" limit switch left (S69/3) and/or right (S69/2) actuated, whereas vario roof "open/lowered" limit switch (S69/11) and vario roof "closed" limit switch (S69/1) not actuated
BI273
Limit switch signals S69/1 S69/7 S69/8 and S69/11 implausible i.e.: trunk lid "closed/locked" limit switch left (S69/7) and/or right (S69/8) actuated, whereas vario roof "open/lowered" limit switch(S69/11) and vario roof "closed" limit switch(S69/1) not actuated
BI274
No limit switch signal AD77.50-P-2000-07A
BI275
Trunk lid limit switch (S69/9) sticks or line open or short
BI276
Left or right trunk lid "closed/locked" limit switch (S69/7, S69/8) sticks or line open or short
BI277
Vario roof "open/lowered" limit switch (S69/11)sticks or line open or short
BI278
Vario roof "closed" limit switch (S69/1) sticks or line open or short
BI279
Right (S69/2) or left (S69/3) vario roof "locked" limit switch sticks or line open or short
BI282
Left front power window motor, no block-type current or multi-function control module (N10-3)
BI283
Right front power window motor, no block-type current or multi-function control module (N10-3)
BI400
Left front power window M10/3 or terminal 30A or multi-function control module (N10-3)
BI40I
Right front power window M10/4 or terminal 30A or multi-function control module (N10-3)
BI402
Left rear power window M10/5 or terminal 30B or multi-function control module (N10-3)
BI403
Right rear power window M10/6 or terminal 30B or multi-function control module (N10-3)
BI490
Lines pump relay (A7/5k1) short or multi-function control module(N10-3)
BI49I
Lines trunk lid cylinder (A7/5y2) short or multi-function control module(N10-3)
BI492
Lines vario roof solenoid valve (A7/5y1) short or multi-function control module (N10-3)
BI493
Gong control line open or short
BI494
Indicator lamp leads, vario roof switch (S84) short
ZIP file of doc with formatted table for printing