218 HO Vario Roof (WFF) 01-24-02
Transcript of 218 HO Vario Roof (WFF) 01-24-02
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Vario Roof
218 HO Vario Roof (WFF) 1/24/02
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Vario Roof Construction
Refined design consisting of:
Tubular frame
7-joint hinges (2)
Load assist feature
(easy pack)
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Load Assist (Easy Pack)
1 - Vario roof
2 - luggage partition cover
3 - load assist (easy pack) switch
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How to Operate the Vario Roof
Vario roof switch (N72s16)
SmartKey (A8/1)
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Function PrerequisitesUsing Vario roof switch (N72s16)
Circuit 15 ON
Voltage not too high or low
Trunk lid locking pawl closed
Vehicle speed < 3 mph
Rollover bar crash actuation not active
Luggage partition cover closed
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Function PrerequisitesUsing SmartKey
Circuit 15C OFF
Voltage not too high or low
Trunk lid and locking pawl closed
Rollover bar crash actuation not active
Press lock / unlock button on A8/1
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Safety Parameters
Using top switch - if roof
switch is released, it willhold in that position for 7
minutes
Using SmartKey - ifbutton is released it will
hold in that position for 7
seconds In both cases a gong will
sound before roof begins
to move
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Vario Roof Communication
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SmartKey (A8/1) Communication
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What Blocks Vario Roof Operation?
System battery voltage too high or low
Vehicle speed > 3 mph
Luggage partition cover open
Diagnostic trouble codes
Hydraulic pump temperature sensor
Trunk lid open
N82/1 (BNS) Consumer prioritization (will close only)
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Vario Roof Electronic System
Vario roof control switch (N72s16)
Rollover bar / Vario roof (RVC) control module (N52)
13 limit switches (verifies hydraulic movements)
4 window motors
1 side flap motor
Rollover bar / Vario roof (RVC) hydraulic unit (A7/5)
- Vario roof valve block (Y55/1)
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Vario Roof Limit Switches
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Vario Roof Limit Switches LegendA1 Instrument cluster S69/3 Vario roof locked limit switch
A7/5 RVC hydraulic unit S69/10 Luggage compartment partition limit switch
A7/5b1 Temperature sensor S69/11 Vario roof raised/lowered limit switch
A7/5k1 Relay S83/10 Rollover bar raised/lowered limit switch
A7/5m1 Motor S114 Load assist (Easy Pack) switch
A37 PSE control module S117 Load assist top/bottom limit switch
M10/5 Left rear power window motor S118/1 Left tubular frame locked limit switch
M10/6 Right rear power window motor S118/2 Right tubular frame locked limit switch
M49/1 Side flaps motor S119 Tubular frame open limit switchN10/8 Rear SAM control module S124 Trunk lid open limit switch
N22 AAC pushbutton control module S126/1 Left side flap closed/opened limit switch
N52 RVC control module S127/1 Right side flap closed/opened limit switch
N69/1 Left door control module Y55/1 Vario roof valve block
N69/2 Right door control module Y55/1y1 Main valve
N70 Overhead control panel control module Y55/1y2 Raise rollover bar solenoid valve
N72 Lower control panel control module Y55/1y3 Close vario roof solenoid valve
N72s16 Vario roof switch Y55/1y4 Open vario roof solenoid valve
N72s17 Rollover bar switch Y55/1y5 Tubular frame and vario roof lock solenoid valve
N82/1 Vehicle electrical system control module Y55/1y6 Load assist (Easy Pack) solenoid valve
S69/1 Vario roof limit switch Y57/1 Rollover bar deployment solenoid
S69/2 Vario roof locked limit switch
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Vario Roof Hydraulic System
Rollover bar / Vario roof (RVC) hydraulic unit (A7/5)
- Temperature sensor (A7/5b1)
- Relay (A7/5k1)- Motor (A7/5m1)
8 hydraulic cylinders
Vario roof valve block (Y55/1)
- Valves Y55/1y1 to Y55/1y6
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RVC Hydraulic Unit (A7/5)
A - fluid filling port
B - pressure test port
C - pressure release screw D - relay (A7/5k1)
E - connector X8/4
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Vario Roof Hydraulic Cylinders
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Hydraulic Cylinder Legend
3 Front vario roof lock hydraulic cylinder
4 Left tubular frame lock hydraulic cylinder5 Right tubular frame lock hydraulic cylinder
6 Left vario roof (open/close) hydraulic cylinder
7 Right vario roof (open/close) hydraulic cylinder
8 Trunk lid hydraulic cylinder
9 Left load assist (raise/lower) hydraulic cylinder
10 Right load assist (raise/lower) hydraulic cylinder
A7/5 RVC hydraulic unit
A7/5k1 RelayY55/1 RVC valve block
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Rollover Bar
1-rollover bar
2 - hydraulic cylinder
3 - left / right
supporting element
4 - left / right locking
pawl cylinder
5 - crash deploymentspring
7 - lock
Y57/1 deployment
solenoid
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Rollover Bar Supporting Element
3 - supporting element
3a - rack
3b - locking pawl
4 - locking pawl
cylinder
Mechanically raisingand lowering rollover
bar
- AR91.50-P-8400R
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Rollover Bar Crash Deployment
Deployment occurs when:
Integrated sensor in RVC (N52) signals vehicle tiltangle of 57 for more than 100ms
ORVehicle acceleration in any direction > 3 times normal
G-force