Roadster soft top (RST) diagnosis operational check

AD77.30-P-3000A

Roadster soft top (RST) diagnosis operational check

16.4.97

 Danger!

Risk of injury due to getting trapped or crushed, in extreme cases due to limbs being severed by coming into contact with the mechanical systems

Keep parts of the body or limbs away from the range of travel of mechanical systems when parts are moving.

AS00.00-Z-0009-01A

Roadster soft top (RST) diagnosis, previous knowledge

AD77.30-P-2000A

Testing

Scope of test 

Operation/Requirement

Specified value

Possible cause/Remedy

1

Soft top actuation switch indicator lamp

Ignition: ON

Indicator lamp in soft top actuation switch should come on once briefly

Soft top actuation switch

Cable open-circuit

Control module

2

Coupé roof safety check

Ignition: ON

After a period of > 10 seconds press soft top actuation switch towards "open" for approx.10 seconds

Coupé roof must not unlock

Soft top actuation control module

ra77001290450x

RA77-0450

3

Locking coupé roof

Coupé roof raised (unlocked).

Ignition: ON

Press soft top actuation switch towards "close"

Locking starts immediately

Indicator lamp in soft top actuation switch goes out when locking is complete

as of 9/95 the front and rear coupé roof locks simultaneously

AD77.30-P-5000A

Troubleshooting step 1

4

Unlocking coupé roof

Ignition: ON

Press soft top actuation switch towards "open" within 10 seconds

After 2-4 seconds opening starts at the front, then the rear

AD77.30-P-5000A

Troubleshooting step 1

5

Raise roll bar with roll bar actuation switch

Ignition: ON

Press roll bar actuation switch towards "raise"

Roll bar is raised

AD77.30-P-5000A

Troubleshooting step 5

6

Closing roadster soft top with soft top actuation switch

Ignition: ON

Coupé roof lowered

Press soft top actuation switch towards "close"

Roll bar is lowered, side windows open, soft top closes, roll bar is raised, side windows close

AD77.30-P-5000A

Troubleshooting step 10-17

7

Opening roadster soft top with soft top actuation switch

Ignition: ON

Roll bar raised

Press soft top actuation switch towards "open"

Roll bar is lowered, side windows open, soft top opens

Roll bar is raised, side windows close

AD77.30-P-5000A

Troubleshooting step 18-25

8

Lower roll bar with roll bar actuation switch

Ignition: ON

Press roll bar actuation switch towards "lower"

Roll bar is lowered

AD77.30-P-5000A

Troubleshooting step 7

9

Gong in overhead control panel

Soft top compartment cover unlocked

Drive vehicle a short distance

Gong in overhead control unit should sound

AD77.30-P-5000A

Troubleshooting step 3, 4

10

Convenience closing of side windows

Side windows open

Lock vehicle with key from driver's door, close front passenger's door and trunk lid lock, keep pressed down (trunk lid lock in 60° position),

as of 12/94 (with DAS 2) possible with RCL remote control only) except  

Side windows close

AD77.30-P-5000A

Troubleshooting step 30

11

Closing side windows when closing front door (as of 12/94)

Left or right side window open 4 mm, close left or right front door

Left or right side window closes

AD77.30-P-5000A

Troubleshooting step 35, 36

12

Convenience opening of side windows (as of 6/97)

Side windows closed and vehicle locked

Unlock vehicle with RCL remote control or ignition key   and hold in this position

Side windows open

AD77.30-P-5000A

Troubleshooting step 38