11.2 - Roadster Soft Top (RST), Roll Bar (RB) (Manual Deployment) 23 A. - Electrical Test Program - Test Model 129

 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



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

A7/5m1,

See SMS, Job No. 77-350



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A24s2)

Wiring,

(A24s2)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A25s2)

Wiring,

(A25s2)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A24s1)

Wiring,

(A24s1)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A25s1)

Wiring,

(A25s1)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A22s2)

Wiring,

(A22s2)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A23s2)

Wiring,

(A23s2)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A22s1)

Wiring,

(A22s1),

A/c pushbutton control

module (N22).



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(A23s1)
Wiring,

(A23s1)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

S84/3 (SMS, Job no. 77-425).

Wiring,

(S84/1)

Wiring,

(S84/1)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S84/2)

Wiring,

(S84/2)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S84/5)

Wiring,

(S84/5)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S84/6)

Wiring,

(S84/6)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S84/3)

Wiring,

(S84/3)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S84/4)

Wiring,

(S84/4)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S83/1)

Wiring,

(S83/1)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S21/9)

Wiring,

(S21/9)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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 W

>20 kW

Wiring,

(S21/8)

Wiring,

(S21/8)



 

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

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".