| Complaint/Problem |
Possible cause |
Test step/Remedy 1) |
No. 1
Hardtop does not lock or unlock. |
RST/RB hydraulic unit (A7/5) does not run. |
23  1.0, 2.0,
3.0
|
| |
Power soft top switch (S84).
Right power soft top valve block, RB "raise"
valve (Y56/1y3).
Left power soft top valve block, soft top "closed"/fabric bow lock "closed" valve (Y55/1y1).
Pump temperature signal.
Insufficient system pressure (nominal value).
Latch pins on the hardtop poorly adjusted. |
23 18.0
23 30.0
23 31.0
23 36.0
33 1.0, 2.0
Check adjustment,
(SMS, Job No. 77-420).
|
No. 2
Indicator lamp in the power soft top switch does not come on when the ignition is turned on. |
Voltage supply, circuits 15, 31.
Power soft top switch (S84).
Power soft top control module (N52) defective.
|
23 2.0
23 18.0, 28.0
(SMS, Job No. 77-450). |
No. 3
Indicator lamp in power soft top switch comes on with the soft top locked (no DTC display).
(Gong sounds while driving)
|
Left soft top fabric bow "locked" switch (A22s2).
Right soft top fabric bow "locked" switch (A23s2).
Left front soft top "locked" switch (S84/1).
Right front soft top "locked" switch (S84/2).
|
23 5.0
23 6.0
23 8.0
23 9.0 |
No. 4
Indicator lamp in power soft top switch comes on with the soft top open (no DTC display).
(Gong sounds while driving)
|
Right soft top compartment cover "locked" switch (A25s2). |
23 4.0 |
No. 5
Roll bar cannot be raised using the RB switch (S83). |
RST/RB hydraulic unit (A7/5) does not run.
RB switch (S83).
Pump temperature signal.
Insufficient system pressure (nominal value).
Test hydraulic circuit, raising roll bar.
|
23 1.0, 2.0,
3.0
23 19.0
23 36.0
33 1.0, 2.0
33 17.0 |
No. 6
Roll bar cannot be raised with power soft top switch (S84).
(Only possible during the soft top up or down sequence. Roll bar must have been raised previously).
|
Right power soft top valve block, RB "raise"
valve (Y56/1y3).
Test hydraulic circuit, raising roll bar. |
23 35.0
33 17.0 |
No. 7
Roll bar cannot be lowered using the RB switch (S83). |
Roll bar was automatically deployed
("Crash deployment").
RST/RB hydraulic unit (A7/5) does not run.
RB switch (S83).
Right power soft top valve block, RB "lower"
valve (Y56/1y2).
Right power soft top valve block, RB "raise"
valve (Y56/1y3).
Pump temperature signal.
Insufficient system pressure (nominal value).
Test hydraulic circuit, lowering roll bar.
|
Raise RB using RB switch (S83) until a re-engagement click is heard on passenger side.
23 1.0, 2.0,
3.0
23 19.0
23 34.0
23 35.0
23 36.0
33 1.0, 2.0
33 18.0 |
No. 8
Roll bar cannot be retracted using the power soft top switch (S84). |
RST/RB hydraulic unit (A7/5) does not run.
Power soft top switch (S84).
Right power soft top valve block, RB "lower"
valve (Y56/1y2).
Right power soft top valve block, RB "raise"
valve (Y56/1y3).
Pump temperature signal.
Insufficient system pressure (nominal value).
Test hydraulic circuit, roll bar retraction.
|
23 1.0, 2.0,
3.0
23 18.0
23 34.0
23 35.0
23 36.0
33 1.0, 2.0
33 18.0 |
No. 9
Roll bar raises by itself (not a crash deployment).
|
Roll bar activator (right) defective |
SMS, Job No. 91-920. |
No. 10
During a soft top closing operation:
Soft top compartment cover does not unlock. |
RST/RB hydraulic unit (A7/5) does not run.
Soft top "open" switch (soft top in storage
compartment) (S84/3).
RB "retracted" switch (S83/1).
Power soft top switch (S84).
Left power soft top valve block, soft top compartment cover "open"/soft top compartment cover lock "open" valve (Y55/1y4).
Pump temperature signal.
Insufficient system pressure (nominal value).
Test hydraulic circuit, opening the center locks.
|
23 1.0, 2.0,
3.0
23 12.0
23
14.0
23 18.0
23 29.0
23 36.0
33 1.0, 2.0
33 11.0
|
No. 11
Soft top compartment cover does not open or raises only slowly. |
Right soft top compartment cover "locked" switch (A25s2).
Left power soft top valve block, soft top compartment cover "open"/soft top compartment cover lock "open" valve (Y55/1y4).
Check hydraulic circuit, raising soft top compartment cover.
|
23 4.0
23 29.0
33 14.0 |
No. 12
Soft top does not come out of the soft top compartment or closes only slowly. |
Soft top compartment "open" switch (S84/5).
Soft top fabric bow "raised" switch (S84/6).
Left power soft top valve block, soft top "closed"/fabric bow lock "closed" valve (Y55/1y1).
Left power soft top valve block, fabric bow "open"/soft top compartment cover "closed" valve (Y55/1y3).
Check hydraulic circuit, soft top closed.
Check hydraulic output volume.
|
23 10.0
23 11.0
23 31.0
23 32.0
33 12.0
33 3.0 |
No. 13
Soft top remains in 90° position. |
Left front door "window down" limit switch
(S21/9) 2).
Right front door "window down" limit switch (S21/8) 2).
Left front power window motor (M10/3) not synchronized 3).
Right front power window motor (M10/4) not
synchronized 3).
|
23 15.0
23 16.0
14 33.0
14 34.0 |
No. 14
Front latches of soft top do not lock. |
Left front soft top "locked" switch (S84/1).
Right front soft top "locked" switch (S84/2).
Soft top "closed" switch (reed contact) (S84/4).
Left power soft top valve block, fabric bow "open"/soft top compartment cover "closed" valve (Y55/1y3).
Check hydraulic circuit, locking front latches.
Latch pins poorly adjusted at the soft top front latches.
|
23 8.0
23 9.0
23 13.0
23 32.0
33 13.0
SMS, Job No. 77-303. |
No. 15
Soft top compartment cover does not move or moves only slowly or does not lock. |
Left front soft top "locked" switch (S84/1).
Right front soft top "locked" switch (S84/2).
Soft top "closed" switch (reed contact) (S84/4).
Left power soft top valve block, fabric bow "open"/soft top compartment cover "closed" valve (Y55/1y3).
Check hydraulic circuit, lowering soft top compartment cover.
|
23 8.0
23 9.0
23 13.0
23 32.0
33 10.0 |
No. 16
Fabric bow does not move down or moves down slowly. |
Right soft top compartment cover "locked" switch (A25s2).
Left power soft top valve block, fabric bow "open"/soft top compartment cover "closed" valve (Y55/1y3).
Left power soft top valve block, fabric bow "closed" valve (Y55/1y2).
Check hydraulic circuit, fabric bow closed.
|
23 4.0
23 32.0
23 33.0
33 15.0 |
No. 17
Rear latches of soft top do not lock. |
Soft top fabric bow "down" switch (S84/7)
Left power soft top valve block, soft top "closed"/fabric bow lock "closed" valve (Y55/1y1).
Check hydraulic circuit, locking rear latches.
|
23 7.0
23 31.0
33 16.0 |
No. 18
During soft top opening:
Rear locks do not unlock. |
RST/RB hydraulic unit (A7/5) does not run.
Left front power window motor (M10/3), not
synchronized 3).
Right front power window motor (M10/4), not
synchronized 3).
Soft top "open" switch (soft top in storage
compartment) (S84/3).
RB "retracted" switch (S83/1).
Power soft top switch (S84).
Soft top "closed"/fabric bow lock "open" valve (Y55/1y1).
Pump temperature signal.
Insufficient system pressure (nominal value).
Check hydraulic circuit, unlocking rear latches.
|
23 1.0, 2.0,
3.0
14 33.0
14 34.0
23 12.0
23 14.0
23 18.0
23 31.0
23 36.0
33 1.0, 2.0
33 5.0
|
No. 19
Fabric bow does not move or moves only slowly up. |
Left bow "locked" switch (A22s2).
Right bow "locked" switch (A23s2).
Left power soft top valve block, fabric bow "open"/soft top compartment cover "closed" valve (Y55/1y3).
Left power soft top valve block, fabric bow "closed" valve (Y55/1y2).
Check hydraulic circuit, fabric bow up.
|
23 5.0
23 6.0
23 32.0
23 33.0
33 6.0
|
No. 20
Fabric bow goes up and down.
|
Left bow "closed" switch (A22s1). |
23 7.0 |
No. 21
Center locks do not unlock. |
Soft top fabric bow "raised" switch (S84/6).
Left power soft top valve block, soft top compartment cover "open"/soft top compartment cover lock "open" valve (Y55/1y4).
Check hydraulic circuit, unlocking center latches.
|
23 11.0
23 29.0
33 7.0 |
No. 22
Soft top compartment cover does not open or opens only slowly. |
Right soft top compartment cover "locked" switch (A25s2).
Left power soft top valve block, soft top compartment cover "open"/soft top compartment cover lock "open" valve (Y55/1y4).
Check hydraulic circuit, opening soft top compartment.
|
23 4.0
23 29.0
33 7.0 |
No. 23
Front latches of soft top do not unlock. |
Left front soft top "locked" switch (S84/1).
Left front door "window down" limit switch (S21/9) 2).
Right front door "window down" limit switch (S21/8) 2).
Right power soft top valve block, RB "raise"
valve (Y56/1y3).
Check hydraulic circuit, unlocking front locks.
|
23 10.0
23 15.0
23 16.0
23 30.0
33 8.0 |
No. 24
Soft top does not open or opens only slowly. |
Left front soft top "locked" switch (S84/1).
Right front soft top "locked" switch (S84/2).
Right power soft top valve block, RB "raise"
valve (Y56/1y3).
Left power soft top valve block, soft top "closed"/fabric bow lock "closed" valve (Y55/1y1).
Check hydraulic circuit, open soft top.
Check hydraulic output volume.
|
23 8.0
23 9.0
23 30.0
23 31.0
33 9.0
33 3.0
|
No. 25
Soft top compartment cover does not close or closes only slowly or does not lock.
|
Soft top "open" switch (soft top in storage
compartment) (S84/3).
Left power soft top valve block, soft top compartment cover "open"/soft top compartment cover lock "open"
valve (Y55/1y4).
Left power soft top valve block, fabric bow "open"/soft top compartment cover "closed" valve (Y55/1y3).
Check hydraulic circuit, close soft top compartment cover.
|
23 12.0
23 29.0
23 32.0
33 10.0 |
No. 26
Side windows do not open using the power soft top switch, but do with the power window switches. |
Left front door "window down" limit switch (S21/9) 2).
Right front door "window down" limit switch (S21/8) 2).
Left front power window motor (M10/3) not synchronized 3).
Right front power window motor (M10/4) not
synchronized 3).
Power soft top control module (N52).
|
23 15.0
23 16.0
14 33.0
14 34.0
SMS, Job No. 77-450. |
No. 27
Side windows do not close using the power soft top switch, but do with the power window switches.
|
Left front power window motor (M10/3) not synchronized 3).
Right front power window motor (M10/4) not
synchronized 3).
Power soft top control module (N52). |
14 33.0
14 34.0
SMS, Job No. 77-450.
|
No. 28
Side windows do not close or open using the power window switches (first detent). |
Left front power window switches (S21/1).
Right front power window switches (S21/2).
Left front power window motor (M10/3).
Right front power window motor (M10/4).
Power soft top control module (N52).
|
23 24.0
23 25.0
23 20.0, 37.0
23 21.0, 38.0
SMS, Job No. 77-450. |
No. 29
Side windows do not open (one-touch opening) using the power window switches (second detent). |
Left front door "window down" limit switch (S21/9) 2).
Right front door "window down" limit switch (S21/8) 2).
Left front power window motor (M10/3) not synchronized 3).
Right front power window motor (M10/4) not
synchronized 3).
Left front power window switches (S21/1).
Right front power window switches (S21/2).
Power soft top control module (N52).
|
23 15.0
23 16.0
14 33.0
14 34.0
23 24.0
23 25.0
SMS, Job No. 77-450 |
No. 30
Side window closing convenience feature (at driver/passenger door lock or at trunk lock) does not work. |
Left door actuator (S47), right door actuator (S48), trunk lid lock actuator (S49).
Left door ATA/CF microswitch (S86), right door ATA/CF microswitch (S87s1), trunk lid ATA/CF microswitch (S88s1).
Power soft top control module (N52).
|
23 37.0
23 38.0
SMS, Job No. 77-450
|
No. 31 3)
Left side window will not synchronize
(electric base setting)
|
Left front power window motor (M10/3).
Power soft top control module (N52). |
23 26.0
SMS, Job No. 77-450 |
No. 32 3)
Right side window will not synchronize
(electric base setting)
|
Right front power window motor (M10/4).
Power soft top control module (N52). |
23 27.0
SMS, Job No. 77-450 |
No. 33
3)
Left side window does not open (4 mm) when opening left door |
Window not synchronized (electric base setting).
Left door switch group, rotary tumbler microswitch (S86s2).
Power soft top control module (N52). |
Synchronize power window motor by closing window using window switch. When window is closed, hold switch down for an additional 1 - 2 seconds.
23 40.0
SMS, Job No. 77-450
|
No. 34
3)
Right side window does not open (4 mm) when opening right door |
Window not synchronized (electric base setting).
Right door switch group, rotary tumbler microswitch (S87s2).
Power soft top control module (N52). |
Synchronize power window motor by closing window using window switch. When window is closed, hold switch down for an additional 1 - 2 seconds.
23 41.0
SMS, Job No. 77-450
|
No. 35 3)
Left side window does not close (4 mm) when closing left door |
Window not synchronized (electric base setting).
Left door switch group, rotary tumbler microswitch (S86s2).
Power soft top control module (N52). |
Synchronize power window motor by closing window using window switch. When window is closed, hold switch down for an additional 1 - 2 seconds.
23 40.0
SMS, Job No. 77-450
|
No. 36 3)
Right side window does not close (4 mm) when closing right door |
Window not synchronized (electric base setting).
Right door switch group, rotary tumbler
microswitch (S87s2).
Power soft top control module (N52). |
Synchronize power window motor by closing window using window switch. When window is closed, hold switch down for an additional 1 - 2 seconds.
23 41.0
SMS, Job No. 77-450
|
No. 37 3)
One or both side windows lose electric base setting |
Voltage supply, power soft top control module (N52), connector X1, pin 1, pin 5, pin 8 (low voltage).
Left front power window motor (M10/3) switching circuit.
Right front power window motor (M10/4) switching circuit.
Power soft top control module (N52).
|
23 1.0, 2.0
23 26.0
23 27.0
SMS, Job No. 77-450 |
No. 38 4)
Convienence feature of the side windows does not function |
Left door actuator (S47), right door actuator (S48), trunk lid lock actuator (S49).
ATA/CF microswitch (S86), ATA/CF microswitch (S87s1), ATA/CF microswitch (S88s1).
Power soft top control module (N52).
|
23 37.0
23 38.0
SMS, Job No. 77-450 |
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