NHTSA ID Number: 10122448
Manufacturer Communication Number: SSP 960243
TSB/Document Date: 2017-11-08
Summary
This document contains the eSelf Study Program that teaches a basic knowledge of the design and functions of the new model.
and valves 1 - 3 control the flow of fluid according to the
required sequence of movements.
Plastic-sheathed flexible
metal spiral hose
Valve block
Power Convertible Top Valve 2
N341
Electric motor
Power Convertible Top Valve 1
N272
Power Convertible Top Valve 3
N342
Oil filler bolt
Oil reservoir
Convertible Top Hydraulic
Pump Relay 2
623_118
Convertible Top Hydraulic
Pump Relay J321
Bleeding the system
Hydraulic cylinder
No bleeding process needs to be done after repairs to the
hydraulic system. The system is bled automatically
during operation.
Bi-directional hydraulic cylinders are used. They are activated
according to the convertible top movement sequence.
Solenoid valves
The hydraulic system uses 3/2 way valves (3 connections
and 2 switch positions) which are operated by solenoids.
Oil flows from the hydraulic cylinders and into the oil reservoir when the valves are de-energized and from the pump
to the cylinders when energized.
The valves are activated by Convertible Top Control
Module J256 for up to five minutes. The top can be emergency operated immediately after the valves have been
switched off. When the valves are de-energized after five
minutes, the hydraulic system depressurizes.
18
Convertible top control system
Component locations
F412
F294
F295
V223
F411
J285
E137
19
Key
J256
J285
E137
Power Top Operation Switch
F171
F202
F293
F294
F295
F404
F407
F408
F411
F412
F517
F519
F520
Convertible Top Open Position Switch
Convertible Top Front Closed Position Switch
Convertible Top Compartment Latch -Unlocked- Switch
Convertible Top Latch -Open- Switch
Convertible Top Latch -Closed- Switch
Convertible Top Compartment -Locked- Switch
Convertible Top Compartment -Open- Switch
Upper Tensioning Bow Switch
Left Convertible Top Closed Position Switch
Right Convertible Top Closed Position Switch
Lower Bracket Switch
Convertible Top Compartment Cover -Closed- Switch
Lower Convertible Top Compartment Enclosure Switch
J321
J588
Convertible Top Control Module
Instrument Cluster Control Module (diagram showing
convertible top status)
Convertible Top Hydraulic Pump Relay
Convertible Top Hydraulic Pump Relay 2
N272
N341
N342
Power Convertible Top Valve 1
Power Convertible Top Valve 2
Power Convertible Top Valve 3
V118
V222
V223
Convertible Top Hydraulic Pump
Convertible Top Compartment Cover Locking Motor
Convertible Top Locking Motor
F520
F519
F404
F293
V222
J256
N341
N272
N342
F171
J588
F202
F408
F407
V118
623_023
J321
F517
20
Convertible top operation
Power Top Operation Switch E137
The convertible top opening cycle is started by pulling
Power Top Operation Switch E137. To open the convertible
top completely, the switch must remain pulled until the
opening cycle is complete. When the switch is released, the
convertible top cycle stops instantaneously. If the switch is
pulled again, the convertible top continues to open. If the
switch is pressed, the convertible top closes.
The switch must also be remain pressed during the
closing cycle.
If the convertible top is closed and the switch is pulled and
then released again, the side windows will lower to a
defined level. The convertible top cycle will not start. If the
button is kept pressed for 5 seconds, the side windows
close again.
623_024
Power Top Operation Switch E137
Graphic displays for convertible top operation
The operation of the convertible top is indicated graphically
in the Driver Information System (DIS) of Instrument
Cluster Control Module J285.
The display will either be in color or monochrome depending on the Instrument Cluster version.
As soon as the top starts to open or close, the graphic
display appears in the DIS.
A curved arrow over the convertible top indicates the direction of the convertible top. If the arrow tip is pointing back,
the convertible top is opening. If the arrow tip is pointing
forward, the convertible top is closing.
Convertible top opening cycle
21
623_025
Convertible top opening cycle
623_026
If no arrow is displayed over the convertible top, the convertible top cycle has been initiated but aborted. The convertible top is in an intermediate position.
Convertible top cycle aborted, intermediate position
623_027
Convertible top cycle aborted, intermediate position
623_028
If the convertible top cycle has been completed, the status
of the convertible top (opened or closed) is indicated for
approximately 2 seconds. An audible signal sounds at the
same time.
Convertible top cycle completed, convertible
top closed
623_029
Convertible top cycle completed, convertible
top closed
623_030
Convertible top cycle completed, convertible
top open
623_051
Convertible top cycle completed, convertible
top open
623_052
22
If convertible top operation is not possible, an audible
warning is sounded by the Instrument Cluster and one of
nine visual warnings is given in the DIS.
The warning is given if:
• The convertible top is in the intermediate position.
• There is a DTC in the fault memory.
• The vehicle is traveling faster than 3.1 mph (5 km/h).
Warnings are indicated via the color DIS as follows:
Triangle with exclamation mark in the driver information
and warning lamps tab
Yellow vehicle-with-convertible-top icon in the
status line
Convertible top:
malfunction!
Displayed text
you can continue driving
(limited functionality).
See owner's manual
Yellow central warning lamp
623_031
Warnings are indicated via the monochrome DIS as follows:
Exclamation mark in driver information tab and warning
lamps tab
Vehicle convertible top icon in the status line
Convertible top:
malfunction!
Displayed text
you can continue driving
(limited functionality).
See owner's manual
Yellow central warning lamp
623_032
23
Other reasons why a convertible top operation is not
possible are displayed as messages.
Display of the 9 functional or visual messages in the DIS:
•
The yellow warning lamp is NOT activated when the functional or visual messages messages are displayed.
•
Messages are indicated by a white vehicle-with-convertible-top icon in the status line in both the color and monochromeDriver Information System displays.
•
Message texts are NOT included in the driver information and warning lamps tab.
If the convertible top is in a limit position (open or closed) and a convertible top cycle is initiated in the limit stop direction,
no actions are initiated and no messages are displayed.
To activate messages, the following conditions must be met:
The trunk lid is open and the convertible top operating
switch is actuated.
Convertible top:
Please close
boot lid
623_033
The convertible top well is in the upper position and the
convertible top operating switch is actuated in the "open"
direction.
Convertible top:
Please
lower convertible
top well
623_034
The convertible top is in a limit position (open or closed),
the vehicle is travelling faster than 31 mph (50 km/h) and
the convertible top operating switch is actuated.
Convertible top:
no operation
possible.
Speed
too high
623_035
24
A convertible top cycle is currently active and the vehicle's
speed increases to over 31 mph (50 km/h).
or
the convertible top is in an intermediate position and the
vehicle speed exceeds 31 mph (50 km/h).
Convertible top:
not in limit position.
Speed
too high
623_036
The ambient temperature is below 5 °F (-15 °C), the convertible top is closed and the the operating switch is actuated in the “open” direction.
An open convertible top can be closed at temperatures
below 5 °F (-15 °F).
Convertible top:
no operation
possible.
Ambient temperature
too low
623_037
Convertible Top Control Module J256 has registered a DTC
and the switch is actuated.
Convertible top:
no operation
possible
623_038
25
The vehicle battery voltage has dropped below a threshold
value; the ignition is switched ON, the engine is not running,
and the convertible top operating switch is actuated.
Convertible top:
no operation possible.
Engine must be running
623_039
The overload protection is active and the convertible top
operating switch is actuated.
Convertible top:
no operation
possible
623_040
Convertible Top Control Module J256 has registered a DTC,
the limit position (open or closed) has been reached and
the convertible top operating switch is released.
Convertible top:
malfunction!
You can continue driving
623_041
26
Convertible top opening sequence
To open the convertible top, the following conditions must be met:
• The vehicle must not be travelling faster than 31 mph (50 km/h)
• The power top operation switch E137 must be pulled and held
• The ambient temperature must be above 5 °F (-15 °C)
•
•
•
•
The convertible top well must be in the lower position
The trunk lid must be closed
The vehicle battery voltage must be sufficient
Both front and rear side windows must have pinch protection activated
Initial situation: the convertible top is closed
Assuming the previous conditions are met and Power Top
Operation Switch E137 remains pulled up, all the side
windows will lower to a defined position.
623_043
623_042
Convertible Top Operation Switch E137
A vehicle image appears in the Driver Information System
display showing the vehicle with a convertible top and a
curved arrow. The arrow tip is pointing back.
Convertible top opening cycle
623_044
The Release Button in Rear Lid Handle E234 is deactivated
so the trunk lid cannot be opened.
27
Convertible top opening cycle
623_045
If the rear window defroster is ON, it is switched OFF. The
rear window defroster can only be switched ON when the
convertible top is fully closed.
The catch hooks in the upper part of the lock in the windshield frame area are opened. The tensioning strut begins
to move into the upright position.
623_046
At the same time, Convertible Top Compartment Cover
Locking Motor V222 opens the convertible top box lid. The
tensioning strut moves into the upright position. The convertible top box lid opens fully.
623_047
The convertible top retracts and folds down into the convertible top well. Meanwhile, the catch hooks close again.
623_048
After that, the convertible top box lid closes and V222 locks
it into position.
623_049
An acoustic signal and graphic display indicate that the
convertible top cycle is complete and the convertible top is
fully open.
Convertible top cycle completed, convertible
top open
623_051
Convertible top cycle completed, convertible
top open
623_052
Finally, the side windows raise to their closed position and
the Release Button in Rear Lid Handle E234 is re-activated
so the trunk lid can be opened.
623_050
28
Convertible top closing sequence
To be able to close the convertible top, the following conditions
must be met:
•
•
•
•
The vehicle must not be travelling faster than 31 mph (50 km/h)
The function must be activated
The trunk lid must be closed
The vehicle battery voltage must be sufficient
Initial situation: the convertible top is open
Assuming the previous conditions are met and Power Top
Operation Switch E137 remains pressed, all the side
windows will lower to a defined position.
623_046a
623_042
Power Top Operation Switch E137
A vehicle image appears in the Driver Information System
display showing the vehicle with a convertible top and a
curved arrow. The arrow tip is pointing forward.
Convertible top closing cycle
623_053
The Release Button in Rear Lid Handle E234 is deactivated
so the trunk lid cannot be opened.
29
Convertible top closing cycle
623_054
Convertible Top Compartment Cover Locking Motor V222
unlocks the convertible top box lid. The convertible top box
lid opens fully.
623_046b
The convertible top lifts up out of the convertible top box
and the catch hooks in the upper part of the convertible top
lock open.
623_046c
The tensioning strut moves into the upper position and the
convertible top box lid closes fully. V222 locks the convertible top box lid.
623_046d
The convertible top continues to run until it settles on top
of the windshield frame. At the same time, the tensioning
strut moves down. The catch hooks then lock the convertible top in place.
623_046e
An acoustic signal and graphic display indicate that the
convertible top cycle is complete and the convertible top is
fully closed.
Convertible top cycle completed, convertible
top closed
623_055
If E137 is kept pressed, the side windows raise to their
closed position.
Convertible top cycle completed, convertible
top closed
623_056
The Release Button in Rear Lid Handle E234 is re-activated
so the trunk lid can be opened. The rear window defroster
can be switched on again.
30
Opening the convertible top with the vehicle key
The convertible top can be opened and closed using the
vehicle key in the driver’s door lock cylinder. The following
conditions must be met:
•
•
•
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TSB/Document ID: SSP 960243
Replacement Service Bulletin Number:
MFR Communication Date: 2014-05-28
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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