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Volume 3

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LOCATION:    11.2 Roadster Soft Top (RST), Roll Bar (RB) (Manual Deployment)   >   23 Electrical Test Program - Test


Electrical Test Program - Test

CAUTION!
Injury hazard from pinching and crushing, in extreme cases extremities can even be severed when caught in the mechanism.
Do not allow any body parts to be in the general area of the moving components.

Preparation for Test:
1. Review entire 11.2 section.

Test scope Test connection
Test condition Nominal value Possible cause/Remedy
1.0   Voltage supply
Circuit 30


12
N52
Z


11
  11 - 14 V Wiring.
2.0   Voltage supply
Circuit 15, 31


10
N52
X



12
Ignition: ON 11 - 14 V Wiring.
3.0   Hydraulic unit (A7/5)
Hydraulic unit motor (A7/5m1) control signal


10
N52
X


7
Ignition: ON


Operate power soft switch towards open or close.
0 - 1 V



11 - 14 V





Hydraulic unit runs.
23 23.0
Power soft top control module (N52)

23 23.0
Power soft top switch (S84)
(N52)
3.2

Hydraulic unit motor (A7/5m1)
3.3
Hydraulic unit relay (A7/5k1)
3.1
3.1   Hydraulic unit
relay (A7/5k1)
Activation

5
A7/5x1

6
Ignition: OFF
Unplug connector A7/5x1
Ignition: ON

Move power soft top switch (S84) toward Open or Close.


0 - 1 V



11 - 14 V
Wiring,
Power soft top switch (S84),
Power soft top control
module (N52).


Wiring.
3.2   Hydraulic unit
motor (A7/5m1)
Voltage supply

1
A7/5x1

4
Unplug connector A7/5x1. 11 - 14 V Wiring.
3.3   Hydraulic unit
motor (A7/5m1)

1
A7/5x1

4
Unplug connector A7/5x1,
Remove relay A7/5k1, Bridge sockets 1 and 3 of relay connector A7/5k1
0.1 - 1.5 A7/5m1,
See SMS, Job No. 77-350

4.0 Left cover "Locked"
switch (A24s2)





N52
Y
20
Power soft top control
module in diagnostic
mode, see 22.
Soft top compartment
cover:
locked:

unlocked:





 


0 - 1 V

11 - 14 V

Wiring,
(A24s2),
4.1,
See SMS, Job no. 77-440,



Wiring,
(A24s2),
4.1,
N52
4.1 Left cover "Locked"
switch (A24s2)





N52
Y
20
Ignition: OFF
Disconnect test cable from N52,
Soft top compartment
cover:
locked:

unlocked:






0 - 5

>20 k






Wiring,
(A24s2)
Wiring,
(A24s2)
5.0 Right cover "Locked" switch (A25s2)





N52
Y
21
Power soft top control
module in diagnostic
mode, see 22.
Soft top compartment
cover:
locked:

unlocked:








0 - 1 V

11 - 14 V
Wiring,
(A25s2),
5.1,
See SMS, Job no. 77-440,



Wiring,
(A25s2),
5.1,
N52
5.1 Right cover "Locked" switch (A25s2)





N52
Y
21
Ignition: OFF
Disconnect test cable from
N52
Soft top compartment
cover:
locked:

unlocked:







0 - 5

>20 k







Wiring,
(A25s2)
Wiring,
(A25s2)
6.0 Left cover "Closed"
switch (A24s1)






N52
Y
25
Power soft top control
module in diagnostic
mode, see 22.
Soft top compartment
cover:
closed:

raised:








0 - 1 V

11 - 14 V
Wiring,
(A24s1),
6.1,



See SMS, Job no. 77-440
Wiring,
(A24s1),
6.1,
N52
6.1 Left cover "Closed"
switch (A24s1)






N52
Y
25
Ignition: OFF
Disconnect test cable from N52
Soft top compartment
cover:
closed:

raised:





0 - 5

>20 k





Wiring,
(A24s1)
Wiring,
(A24s1)
7.0 Right cover"Closed"
switch (A25s1)






N52
Y
26
Power soft top control
module in diagnostic
mode, see 22.
Soft top compartment
cover:
closed:

raised:








0 - 1 V

11 - 14 V
Wiring,
(A25s1),
7.1



See SMS, Job No. 77-440
Wiring,
(A25s1),
7.1,
N52
7.1 Right cover"Closed"
switch (A25s1)






N52
Y
26
Ignition: OFF
Disconnect test cable from N52
Soft top compartment
cover:
closed:

raised:






0 - 5

>20 k






Wiring,
(A25s1)
Wiring,
(A25s1)
8.0 Left bow "Locked"
switch (A22s2)


N52
Y


18
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
locked:

unlocked:






0 - 1 V

11 - 14 V
Wiring,
(A22s2),
8.1



See SMS, Job no. 77-445
Wiring,
(A22s2),
8.1,
N52
8.1 Left bow "Locked"
switch (A22s2)


N52
Y


18
Ignition: OFF
Disconnect test cable from N52
Fabric bow:
locked:

unlocked:




0 - 5

>20 k




Wiring,
(A22s2)
Wiring,
(A22s2)
9.0 Right bow "Locked"
switch (A23s2)




N52
Y
19
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
locked:

unlocked:






0 - 1 V

11 - 14 V
Wiring,
(A23s2),
9.1



See SMS, Job no. 77-445
Wiring,
(A23s2)
9.1,
N52
9.1 Right bow "Locked"
switch (A23s2)




N52
Y
19
Ignition: OFF
Disconnect test cable from N52
fabric bow:
locked:

unlocked:




0 - 5

>20 k




Wiring,
(A23s2)
Wiring,
(A23s2)
10.0 Left bow "Closed"
switch (A22s1)






N52
Y
23
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
closed:

raised:






0 - 1 V

11 - 14 V
Wiring,
(A22s1),
10.1



See SMS, Job no. 77-445
Wiring,
(A22s1)
10.1,
N52
10.1 Left bow "Closed"
switch (A22s1)






N52
Y
23
Ignition: OFF
Disconnect test cable from
N52
Fabric bow:
closed:

raised:





0 - 5

>20 k





Wiring,
(A22s1)
Wiring,
(A22s1),
A/c pushbutton control
module (N22).
11.0 Right bow "Closed"
switch (A23s1)






N52
Y
24
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
closed:

raised:






0 - 1 V

11 - 14 V
Wiring,
(A23s1),
11.1



See SMS, Job no. 77-445
Wiring,
(A23s1),
11.1
N52
11.1   Right bow "Closed"
switch (A23s1)






N52
Y
24
Ignition: OFF
Disconnect test cable from N52
Fabric bow:
closed:

raised:




0 - 5

>20 k




Wiring,
(A23s1)
Wiring,
(A23s1)
12.0 Left front soft top "Locked" switch (S84/1)



N52
Y
16
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
Locked in front:

Unlocked in front:






0 - 1 V

11 - 14 V
Wiring,
(S84/1),
12.1



See SMS, Job no. 77-330
Wiring,
(S84/1),
12.1
N52
12.1 Left front soft top "Locked" switch (S84/1)



N52
Y
16
Ignition: OFF
Disconnect test cable from N52
Soft top:
Locked in front:

Unlocked in front:




0 - 5

>20 k
Wiring,
S84/3 (SMS, Job no. 77-425).


Wiring,
(S84/1)
Wiring,
(S84/1)
13.0 Right front soft top "Locked" switch (S84/2)





N52
Y
17
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
Locked in front:

Unlocked in front:






0 - 1 V

11 - 14 V
Wiring,
(S84/2),
13.1



See SMS, Job no. 77-330
Wiring,
(S84/2),
13.1
N52
13.1   Right front soft top "Locked" switch (S84/2)





N52
Y
17
Ignition: OFF
Disconnect test cable from N52
Soft top:
Locked in front:

Unlocked in front:




0 - 5

>20 k




Wiring,
(S84/2)
Wiring,
(S84/2)
14.0 Soft top compartment "Open" switch (S84/5)





N52
Y
30
Power soft top control
module in diagnostic
mode, see 22.
Soft top compartment cover:
open:

closed:








0 - 1 V

11 - 14 V
Wiring,
(S84/5),
14.1





See SMS, Job no. 77-405
Wiring,
(S84/5),
14.1
N52
14.1 Soft top compartment "Open" switch (S84/5)





N52
Y
30
Ignition: OFF
Disconnect test cable from N52
Soft top compartment cover:
open:

closed:






0 - 5

>20 k






Wiring,
(S84/5)
Wiring,
(S84/5)
15.0 Soft top fabric bow "Raised" switch (S84/6)
(fabric bow raised)






N52
Y
29
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
raised:

lowered:






0 - 1 V

11 - 14 V
Wiring,
(S84/6),
15.1



See SMS, Job no. 77-435
Wiring,
(S84/6),
15.1
N52
15.1 Soft top fabric bow "Raised" switch (S84/6)
(fabric bow raised)






N52
Y
29
Ignition: OFF
Disconnect test cable from N52.
Fabric bow:
raised:

lowered:




0 - 5

>20 k




Wiring,
(S84/6)
Wiring,
(S84/6)
16.0 Soft top "Open"
switch (S84/3)
(soft top in storage compartment)






N52
Y
27
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
in soft top compartment:

up:







0 - 1 V

11 - 14 V
Wiring,
(S84/3),
16.1




See SMS, Job no. 77-425
Wiring,
(S84/3),
16.1
N52
16.1 Soft top "Open"
switch (S84/3)
(soft top in storage compartment)






N52
Y
27
Ignition: OFF
Disconnect test cable from N52.
Soft top:
in soft top compartment:

up:





0 - 5

>20 k





Wiring,
(S84/3)
Wiring,
(S84/3)
17.0 Soft top "Raised"
switch (S84/4)






N52
Y
28
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
up:

in soft top compartment:






0 - 1 V

11 - 14 V
Wiring,
(S84/4),
17.1
See SMS, Job no. 77-415

Wiring,
(S84/3),
17.1
N52
17.1 Soft top "Raised"
switch (S84/4)







N52
Y
28
Ignition: OFF
Disconnect test cable from N52.
Soft top:
up:

in soft top compartment:




0 - 5

>20 k




Wiring,
(S84/4)
Wiring,
(S84/4)
18.0 RB "Retracted"
switch (S83/1)






N52
Y
31
Power soft top control
module in diagnostic
mode, see 22.
Roll bar:
lowered:

raised:






0 - 1 V

11 - 14 V
Wiring,
(S83/1),
18.1
See SMS, Job no. 77-400

Wiring,
(S83/1),
18.1
N52
18.1 RB "Retracted"
switch (S83/1)






N52
Y
31
Ignition: OFF
Disconnect test cable from N52.
Roll bar:
lowered:

raised:




0 - 5

>20 k




Wiring,
(S83/1)
Wiring,
(S83/1)
19.0 Left front door "window down" limit switch (S21/9)






N52
Y
10
Power soft top control
module in diagnostic
mode, see 22.
Side windows:
down:

up:






0 - 1 V

11 - 14 V
Wiring,
(S21/9),
19.1



See SMS, Job no. 77-410
Wiring,
(S21/9),
19.1
N52
19.1 Left front door "window down" limit switch (S21/9)





N52
Y
3
Ignition: OFF
Disconnect test cable from N52.
Side windows:
down:

up:




0 - 5


>20 k




Wiring,
(S21/9)
Wiring,
(S21/9)

20.0 Right front door "window down" limit switch (S21/8)






N52
Y
22
Power soft top control
module in diagnostic
mode, see 22.
Side windows:
down:

up:






0 - 1 V

11 - 14 V
Wiring,
(S21/8),
20.1



See SMS, Job no. 77-410
Wiring,
(S21/8),
20.1
N52
20.1 Right front power window motor (M10/4)
Voltage supply
control module






N52
Y
22
Ignition: OFF
Disconnect test cable from N52
Side windows:
down:

up:





0 - 5

>20 k




Wiring,
(S21/8)
Wiring,
(S21/8)
21.0 VSS
illogical signal

See 12/3, regarding hints when using dynamometer or brake test equipment.
-

-

-

-
- With vehicle stationary, an acceleration of .49 g error signal was sent to the control module, or vehicle was tilted to a 23° angle.
RB control module (N53).
22.0 Installed hardtop recognized

 


 
See Hard top Locking Table in 24,
(Limit switches)
Hard top installed.
With the hard top installed, at least one of the front or rear locks indicates "closed" or "locked".
23.0 Power soft top
switch (S84)





















N52
Y
1




N52
Y
2
Ignition: ON


Power soft top
switch (S84):
Press close:



Ignition: ON


Power soft top
switch (S84):
Press open:
11 - 14 V




0 - 1 V



11 - 14 V




0 - 1 V
Switch (S84) and wiring,
23.1,
N52


Switch (S84) and wiring,
23.1,
N52

Switch (S84) and wiring,
23.1,
N52


Switch (S84) and wiring,
23.1,
N52
23.1 Power soft top
switch (S84) and wiring





















N52
Y
1




N52
Y
2
Disconnect test cable from N52
Power soft top
switch (S84):
In rest position:

Press in direction close:


Power soft top
switch (S84):
In rest position:

Press in direction open:




>20 k


0 - 5




>20 k


0 - 5




Wiring,
(S84)
Wiring,
(S84)



Wiring,
(S84)
Wiring,
(S84)
24.0 RB switch (S83)
(manual operation)























N52
Y
3





N52
Y
4
Ignition: ON

Roll bar
switch (S83):
Press in direction Up



Ignition: ON

Roll bar
switch (S83):
Press in direction Lower
4 - 6 V



0 - 1 V




4 - 6 V



0 - 1 V
Switch (S83) and wiring,
24.1,
N52

Switch (S83) and wiring,
24.1,
N52

Switch (S83) and wiring,
24.1,
N52

Switch (S83) and wiring,
24.1,
N52
24.1 RB switch (S83) and wiring
























N52
Y
3





N52
Y
4
Disconnect test cable from N52
Roll bar
switch (S83):
In rest position:

Press in direction Raise


Roll bar
switch (S83):
In rest position:

Press in direction Lower:




>20 k


0 - 5




>20 k

0 - 5




Wiring,
(S83)
Wiring,
(S83)



Wiring,
(S83)

Wiring,
(S83)
25.0 RB control module (N53)















N52
Y
11

N52
Y
12
Ignition: ON
>2.4 V





>2.4 V
Wiring,
Fault in the Roll bar system, see
DM, B&A, Vol. 6, section 19.2,
N53,
See SMS, Job no. 91-840

Wiring,
Fault in the Roll bar system, see
DM, B&A, Vol. 6, section 19.2,
N53
26.0 Roll Bar
(Crash Deployment)






 







N52
Y
9

Ignition: ON
RB switch (S83):
Press in direction "up"
(approx. 10 seconds)

Using RB switch (S83): Lower roll bar
Roll bar is lowered.
There has been a "Crash Deployment".
Upon lowering the roll bar, the impulse (DTC) is erased.
27.0 Limit switch un-logical -
-
-
Test limit switch via diagnostic mode,
see 22
- Limit switch is faulty.
28.0 Operation time span exceeded -
-
-
Soft top completely open or closed.
Ignition: ON
(approx. 5 minutes)
Fault will erase itself. N52
29.0 Low system voltage

10
N52
X



12
Ignition: ON


Use battery charger each time when performing soft top tests.
11 - 14 V Voltage supply,
23 2.0
30.0 Speedometer signal

See 12/3, regarding hints when using dynamometer or brake test equipment.







N52
Y
35
Drive vehicle at approx. 25 mph. approx. 6 V ~ Wiring,
Electronic speedometer (A1p8)
(see DM, Info. & Com., section 1.1),
Combination relay
module (N10/2),
Pushbutton control
module (N22),
Radio (A2),
Multi-function connector
block (X30/1).
31.0 VSS signal

See 12/3, regarding hints when using dynamometer or brake test equipment.







N52
Y
9
Ignition: ON
Rotate left front wheel at approx. 1 revo./second
2.5 - 4 V Wiring,
ABS control module (N30),
Power soft top control
module (N52).
32.0 Power soft top operation locked

See 12/3, regarding hints when using dynamometer or brake test equipment.
-
-
-
- - Fault only occurs with impluse readouts (DTCs'): 19, 28 or 29
33.0 Left front power window switch (S21/1)

















N52
Y
5


N52
Y
6
Ignition: ON 11 - 14 V






11 - 14 V
Wiring,
Power soft top control
module (N52),
(S21/1),
33.1


Wiring,
Power soft top control
module (N52),
(S21/1),
33.2
33.1 Left front power window switch (S21/1)
Close,
lower limit stop control






N52
Y
5
Ignition: OFF
Disconnect test cable from N52,
Press switch (S21/1) back to second detent and then forward.
>20 k




0 - 1
Wiring,
(S21/1),



Wiring,
(S21/1)
33.2 Left front power window switch (S21/1)
Open






N52
Y
6
Ignition: OFF
Disconnect test cable from N52,
Press switch (S21/1) back to first and second detent.
>20 k



0 - 1
Wiring,
(S21/1)


Wiring,
(S21/1)
34.0 Right front power window switch (S21/2)
















N52
Y
7


N52
Y
8
Ignition: ON 11 - 14 V






11 - 14 V
Wiring,
(S21/2),
34.1,
Power soft top control
module (N52).


Wiring,
(S21/2),
34.2,
Power soft top control
module (N52).
34.1 Right front power window switch (S21/2)
Close,
lower limit stop control






N52
Y
7
Ignition: OFF
Disconnect test cable from N52,
Press switch (S21/1) back to second detent and then forward.
>20 k




0 - 1
Wiring,
(S21/2)



Wiring,
(S21/2)
34.2 Right front power window switch (S21/2)
Open






N52
Y
8
Ignition: OFF
Disconnect test cable from N52,
Press switch (S21/1) back to first and second detent.
>20 k



0 - 1
Wiring,
(S21/2)


Wiring,
(S21/2)
35.0 Left front power window motor (M10/3)
Voltage


2






1
N52
X




N52
X


1






2
Ignition: ON
Switch (S21/1):
At rest:

Press in direction "open"




Press in direction "close"


0 - 1 V

11 - 14 V





11 - 14 V
Power soft top control
module (N52)


Wiring,
(M10/3),
35.1,
(N52).

Wiring,
(M10/3),
35.1,
(N52).
35.1 Left front power window motor (M10/3)
(with wiring)


1



9
N52
X

N52
X


2



2
Ignition: OFF
Disconnect test cable from N52.
0.5 - 2





>20 k
Wiring,
(M10/3),
See SMS, Job no. 82-600



Wiring,
(M10/3)
36.0 Right front power window motor (M10/4)
Voltage


2






1
N52
Z




N52
Z


1






2
Ignition: ON
Switch (S21/1):
At rest:

Press in direction "open"




Press in direction "close"


0 - 1 V

11 - 14 V





11 - 14 V
Power soft top control
module (N52).


Wiring,
(M10/4),
36.1,
(N52).

Wiring,
(M10/4),
36.1,
(N52).
36.1 Right front power window motor (M10/4)
(with wiring)


1




12
N52
Z


N52
Z


2




2
Ignition: OFF
Disconnect test cable from N52.
0.5 - 2






>20 k
Wiring,
(M10/4),
See SMS, Job no. 82-600



Wiring,
(M10/4).
37.0 Indicator lamp in power soft top switch (S84)  
Ignition: ON Indicator lamp in power soft top switch illuminates briefly.
Wiring,
(S84).
38.0 Main valve (A7/5y1)
Activation
(deleted as of VIN 1F-083891)


10
N52
X


8
Ignition: ON
Roll bar retracted.
Press power soft top switch (S84) to "open" or "close".
0 - 1 V



11 - 14 V
Power soft top control
module (N52).


23 39.0,
(N52)
39.0 Main valve (A7/5y1)
with wires


10
N52
X


8
Disconnect test cable from N52.
See connection
schematic X
5 - 15 Wiring,
(A7/5y1)
40.0 Rear locks valve (Y56y2)
Activation


12
N52
Z


4
Ignition: ON
Unlock hard top, or
unlock fabric bow using power soft top switch (S84).
Lock hard top, or
unlock fabric bow using power soft top switch (S84).
11 - 14 V







0 - 1 V
23 41.0,
(N52).






(N52).
41.0 Rear locks valve (Y56y2)
with wiring


12
N52
Z


4
Disconnect test cable from N52.
5 - 15 Wiring,
(Y56y2),
If nominal value is OK:
Check if rear locks valve (Y56y2) is mechanically jammed.
42.0 Center locks valve (Y56y3)
Activation


12
N52
Z


5
Ignition: ON
Using power soft top switch (S84):
"Open " soft top compartment cover.

"Close" soft top compartment cover.
11 - 14 V






0 - 1 V
23 43.0,
(N52).





(N52).
43.0 Center locks valve (Y56y3)
with wiring


12
N52
Z


5
Disconnect test cable from N52.
5 - 15 Wiring,
(Y56y3),
If nominal value is OK:
Check if center locks valve (Y56y3) is mechanically jammed.
44.0 Front locks valve (Y56y4)
Activation


12
N52
Z


3
Ignition: ON
Unlock hard top, or
unlock front soft top using power soft top switch (S84).
Lock hard top, or
unlock front soft top using power soft top switch (S84).
11 - 14 V






0 - 1 V
23 45.0,
(N52).





(N52).
45.0 Front locks valve (Y56y4)
with wiring


12
N52
Z


3
Disconnect test cable from N52.
5 - 15 Wiring,
(Y56y4),
If nominal value is OK:
Check if front locks valve (Y56y4) is mechanically jammed.
46.0 Soft top compartment cover valve (Y56y5)
Activation


12
N52
Z


6
Ignition: ON
Using power soft top switch (S84):
"Open " soft top compartment cover.

"Close" soft top compartment cover.
11 - 14 V






0 - 1 V
23 47.0,
(N52).





(N52).
47.0 Soft top compartment cover valve (Y56y5)
with wiring


12
N52
Z


6
Disconnect test cable from N52.
5 - 15 Wiring,
(Y56y5),
If nominal value is OK:
Check if soft top compartment cover valve (Y56y5) is mechanically jammed.
48.0 Soft top "open"
valve (Y55y6)
Activation


10
N52
Z


3
Ignition: ON
Using power soft top switch (S84):
"Open " soft top.

"Close" soft top.
11 - 14 V




0 - 1 V
23 49.0,
(N52).



(N52).
49.0 Soft top "open"
valve (Y55y6)
with wiring


10
N52
X


3
Disconnect test cable from N52.
5 - 15 Wiring,
(Y55y6),
If nominal value is OK:
Check if soft top "open" valve (Y55y6) is mechanically jammed.
50.0 Soft top "close"
valve (Y55y7)
Activation


10
N52
X


4
Ignition: ON
Using power soft top switch (S84):
"Close " soft top.

"Open" soft top.
11 - 14 V




0 - 1 V
23 51.0,
(N52).



(N52).
51.0 Soft top "close"
valve (Y55y7)
with wiring


10
N52
X


4
Disconnect test cable from N52.
5 - 15 Wiring,
(Y55y7),
If nominal value is OK:
Check if soft top "close" valve (Y55y7) is mechanically jammed.
52.0 Fabric bow "raise"
valve (Y55y8)
Activation


10
N52
X


5
Ignition: ON
Using power soft top switch (S84):
"Raise " fabric bow or
"Close" soft top.

Using power soft top switch (S84):
"Lower" fabric bow or
"Close" power soft top compartment cover.
11 - 14 V









0 - 1 V
23 53.0,
(N52).








(N52).
53.0 Fabric bow "raise"
valve (Y55y8)
with wiring


10
N52
X


5
Disconnect test cable from N52. 5 - 15 Wiring,
(Y55y8),
If nominal value is OK:
Check if fabric bow "raise" valve (Y55y8) is mechanically jammed.
54.0 Fabric bow "lower"
valve (Y55y9)
Activation


10
N52
X


6
Ignition: ON
Using power soft top switch (S84):
"Lower " fabric bow.

Using power soft top switch (S84):
"Raise" fabric bow.
11 - 14 V






0 - 1 V
23 55.0,
(N52).





(N52).
55.0 Fabric bow "lower"
valve (Y55y9)
with wiring


10
N52
X


6
Disconnect test cable from N52. 5 - 15 Wiring,
(Y55y9),
If nominal value is OK:
Check if fabric bow "lower" valve (Y55y9) is mechanically jammed.
56.0 Rod side
valve (Y57y10)
Activation


10
N52
X


7
Ignition: ON
Press power soft top switch (S84),
Or
RB switch (S83).
0 - 1 V



11 - 14 V
Power soft top control
module (N52).


23 57.0,
Wiring,
(N52).
57.0 Rod side
valve (Y57y10)
with wiring


10
N52
X


7
Disconnect test cable from N52. 5 - 15
Wiring,
(Y57y10).
58.0 Piston side
valve (Y57y11)
Activation


12
N52
Z


8
Ignition: ON
Press power soft top switch (S84) or
RB switch (S83):
To "raise" roll bar
or
to "lower" roll bar.
11 - 14 V





0 - 1 V
23 59.0,
(N52).




(N52).
59.0 Piston side
valve (Y57y11)
with wiring


12
N52
Z


8
Disconnect test cable from N52. 5 - 15
Wiring,
(Y57y11)
If nominal value is OK:
Check if piston side valve (Y55y11) is mechanically jammed.
60.0 ATA/CF microswitch
Driver's door (S86),
Passenger side door (S87s1),
Trunk lid (S88s1)








N52
Y
14
Ignition: OFF
Microswitches (S86), S87s1) and S88s1) in:
Rest position:







Microswitch (S86) in position:
Close:

Microswitch (S87s1) in position:
Close:

Microswitch (S88s1) in position:
Close:




11 - 14 V









0 - 1 V




0 - 1 V




0 - 1 V
(S86),
60.1,
(S87s1),
60.1,
(S88s1),
60.1,
Supply pump
(CL/vacuum) (M14/1),
CF control module (N57),
ATA control module (N26),
RCL control module (N57).


Wiring,
(S86)


Wiring,
(S87s1)


Wiring,
(S88s1)
60.1 ATA/CF microswitch
Driver's door (S86),
Passenger side door (S87s1),
Trunk lid (S88s1)








N52
Y
14
Ignition: OFF
Disconnect control modules from socket box, disconnect connectors from:
Supply pump
(CL/vacuum) (M14/1),
CF control module (N57),
ATA control
module (N26),
RCL control module (N57)

Microswitches (S86), (S87s1) and (S88s1) in:
Rest position:


Microswitch (S86) in position:
Close:

Microswitch (S87s1) in position:
Close:

Microswitch (S88s1) in position:
Close:



















>20 k




<10




<10




<10













 

 



Wiring,
(S86),
(S87s1),
(S88s1).

Wiring,
(S86).



Wiring,
(S87s1).



Wiring,
(S88s1).

61.0 Actuator:
Left door actuator (S47),
Right door actuator (S48),
Trunk lid lock actuator (S49)







N52
Y
13
Vehicle locked via RCL

<10
Wiring,
Actuators:
(S47),
(S48),
(S49).