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LOCATION:    11.4 Retractable Hardtop (RH)   >  14 Diagnosis - Complaint Related Diagnostic Chart


Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1)
No. 1
Indicator lamp in the retractable hardtop switch (S84) does not illuminate when ignition switch is switched "ON"
Voltage supply, circuit 15
Retractable hardtop switch (S84)
Combination control module (N10-3)
23 4.0
23 16.0
N10-3
No. 2
Indicator lamp in switch S84 flashes at 6-times frequency (impulse signal) when switch is actuated
Retractable luggage cover engaged limit switch (S69/10)
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)
23 14.0

23 15.0
No. 3
Indicator lamp in S84 switch comes on with the hardtop open (no impulse signal)
Gong sounds when driving
Trunk lid closed/locked left limit switch (S69/7) not actuated
Trunk lid closed/locked right limit
switch (S69/8) not actuated
Retractable hardtop locked limit switch (left rotary latch) (S69/3) not actuated
Retractable hardtop locked limit switch (right rotary latch) (S69/2) not actuated

After 6.5 minutes in rest mode, the gong in the instrument cluster will be activated for 30 seconds
23 13.0

23 13.0

23 9.0

23 9.0
No. 4
Indicator lamp in switch S84 flashes (impulse signal) without switch actuation
Trunk lid closed/locked left limit switch (S69/7) not actuated
Trunk lid closed/locked right limit
switch (S69/8) not actuated
Retractable hardtop locked limit switch (left rotary latch) (S69/3) not actuated
Retractable hardtop locked limit switch (right rotary latch) (S69/2) not actuated

After 6.5 minutes in rest mode the gong in the instrument cluster will be activated for 30 seconds
23 13.0

23 13.0

23 9.0

23 9.0
No. 5
Indicator lamp in switch S84 flashes (impulse signal) when switch is actuated
DTC recognition (DTC will be stored in combination control module) Readout DTC with Hand-Held-Tester
No. 6
Indicator lamp in S84 switch comes on with the hardtop closed/locked (no impulse signal)
Gong sounds while driving
Trunk lid closed/locked left limit switch (S69/7) not actuated
Trunk lid closed/locked right limit
switch (S69/8) not actuated
Retractable hardtop locked limit switch (left rotary latch) (S69/3) not actuated
Retractable hardtop locked limit switch (right rotary latch) (S69/2) not actuated
23 13.0

23 13.0

23 9.0

23 9.0
No. 7
During retractable hardtop opening sequence:
Side windows front and rear do not open
Hydraulic unit does not function

Retractable luggage cover engaged limit switch (S69/10)
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Trunk lid closed/locked left limit switch (S69/7) or right (S69/8) and Trunk lid open limit switch (S69/9) actuated simultaneously
Retractable hardtop open/stored limit switch (S69/11) and retractable hardtop closed limit switch (S69/1) actuated simultaneously

Retractable hardtop locked limit switch (left rotary latch (S69/3) or right (S69/2) are actuated while retractable hardtop open/stored limit switch (S69/11) and retractable hardtop closed limit switch (S69/1) are not actuated
Trunk lid closed/locked left limit switch (S69/7) or right (S69/8) actuated while retractable hardtop open/stored limit switch (S69/11) and retractable hardtop closed limit switch (S69/1) are not actuated

No limit switches signal
Supply voltage power windows
Vehicle speed signal (VSS)
Pump temperature signal
Retractable hardtop switch (S84)
Combination control module (N10-3)

Retractable hardtop solenoid valve (A7/5y1)
Trunk lid solenoid valve (A7/5y2)
23 6.0, 7.0

23 14.0

23 15.0



23 12.0, 13.0


23 10.0, 11.0




23 9.0, 10.0, 11.0



23 10.0, 11.0, 13.0

24
23 19.0 - 30.0

23 34.0, 35.0
23 8.0
23 17.0
23 2.0, 5.0

23 31.0
23 32.0
No. 8
Retractable hardtop does not unlock in front
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Retractable luggage cover engaged limit switch (S69/10)

Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Retractable hardtop open/stored limit switch (S69/11)
Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)
Trunk lid solenoid valve (A7/5y2)
Check retractable hardtop actuation hydraulic cylinder

23 15.0

23 14.0


23 9.0

23 9.0

23 11.0
23 12.0
23 13.0
23 13.0


23 6.0, 7.0
23 31.0
23 32.0
33 4.0
No. 9
Trunk lid does not unlock or open
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)
Retractable luggage cover engaged limit switch (S69/10)
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)

Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Retractable hardtop open/stored limit switch (S69/11)
Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)
Trunk lid solenoid valve (A7/5y2)
Check retractable hardtop actuation hydraulic cylinder

23 15.0
23 14.0

23 9.0


23 9.0

23 11.0
23 12.0
23 13.0
23 13.0


23 6.0, 7.0
23 31.0
23 32.0
33 4.0
No. 10
Retractable hardtop does not open
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Retractable luggage cover engaged limit switch (S69/10)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Retractable hardtop open/stored limit switch (S69/11)

Retractable hardtop hydraulic unit (A7/5)
Trunk lid solenoid valve (A7/5y2)
Check retractable hardtop actuation hydraulic cylinder

23 15.0

23 14.0
23 13.0
23 13.0
23 11.0

23 6.0, 7.0
23 32.0
33 4.0
No. 11
Trunk lid does not close or lock
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Retractable luggage cover engaged limit switch (S69/10)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Trunk lid open limit switch (S69/9)

Retractable hardtop hydraulic unit (A7/5)
Check trunk lid actuation hydraulic cylinder

23 15.0

23 14.0
23 13.0
23 13.0

23 9.0

23 9.0

23 12.0

23 6.0, 7.0
33 5.0
No. 12
After retractable hardtop opening sequence, the side windows do not close
Voltage supply power windows
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Retractable luggage cover engaged limit switch (S69/10)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)

Retractable hardtop locked limit switch
(right rotary latch) (S69/2)
Trunk lid open limit switch (S69/9)
Combination control module (N10-3)
23 19.0 - 30.0

23 15.0

23 14.0
23 13.0
23 13.0

23 9.0


23 9.0
23 12.0
23 2.0, 5.0
No. 13
During retractable hardtop closing sequence:
Retractable hardtop does not close
Hydraulic unit does not function
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)
Retractable luggage cover engaged limit switch (S69/10)

Trunk lid closed/locked left limit switch (S69/7) or right (S69/8) and trunk lid open limit switch (S69/9) actuated simultaneously
Retractable hardtop open/stored limit switch (S69/11) and retractable hardtop closed limit switch (S69/1) actuated simultaneously
Retractable hardtop locked limit switch (left rotary latch (S69/3) or right (S69/2) are actuated while retractable hardtop open/stored limit switch (S69/11) and retractable hardtop closed limit switch (S69/1) are not actuated
Trunk lid closed/locked left limit switch (S69/7) or right (S69/8) actuated while retractable hardtop open/stored limit switch (S69/11) and retractable hardtop closed limit switch (S69/1) are not actuated

No limit switches signal
Supply voltage power windows
Vehicle speed signal (VSS)
Pump temperature signal
Retractable hardtop switch (S84)
Combination control module (N10-3)

Retractable hardtop solenoid valve (A7/5y1)
Trunk lid solenoid valve (A7/5y2)
23 6.0, 7.0

23 15.0
23 14.0



23 12.0, 13.0


23 10.0, 11.0



23 9.0, 10.0, 11.0



23 10.0, 11.0, 13.0

24
23 19.0 - 30.0

23 34.0, 35.0
23 8.0
23 17.0
23 1.0, 3.0, 4.0

23 31.0
23 32.0
No. 14
Trunk lid does not unlock or open
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Retractable luggage cover engaged limit switch (S69/10)
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Retractable hardtop hydraulic unit (A7/5)
Trunk lid solenoid valve (A7/5y2)
Check retractable hardtop actuation hydraulic cylinder

23 9.0

23 9.0

23 12.0
23 13.0
23 13.0
23 14.0

23 15.0

23 6.0, 7.0
23 32.0
33 4.0
No. 15
Retractable hardtop does not unlock
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Retractable luggage cover engaged limit switch (S69/10)
Trunk lock/trunk illumination rotary latch selector
switch (S69/12)

Retractable hardtop hydraulic unit (A7/5)
Trunk lid solenoid valve (A7/5y2)

23 9.0

23 9.0

23 12.0
23 13.0
23 13.0
23 14.0

23 15.0

23 6.0, 7.0
23 32.0
No. 16
Retractable hardtop does not close
Retractable hardtop closed limit switch (right pin) (S69/1)
Retractable hardtop open/stored limit switch (S69/11)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)
Trunk lid solenoid valve (A7/5y2)
Retractable hardtop hydraulic unit (A7/5)
23 10.0
23 11.0

23 6.0, 7.0
23 31.0
23 32.0
33 1.0
No. 17
Trunk lid does not close or lock
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)
Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)
Check retractable hardtop actuation hydraulic cylinder

23 9.0

23 9.0
23 12.0
23 13.0
23 13.0


23 6.0, 7.0
23 31.0
33 7.0
No. 18
Retractable hardtop does not lock
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)
Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)
Check trunk lid actuation hydraulic cylinder

23 9.0

23 9.0
23 12.0
23 13.0
23 13.0


23 6.0, 7.0
23 31.0
33 5.0
No. 19
Side windows do not close
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Voltage supply power windows
Combination control module (N10-3)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)

23 9.0

23 9.0

23 12.0
23 13.0
23 13.0
23 19.0 - 30.0

23 27.0, 29.0

23 6.0, 7.0
23 31.0
No. 20
Front power windows do not close
Retractable hardtop locked limit switch
(left rotary latch) (S69/3)
Retractable hardtop locked limit switch
(right rotary latch) (S69/2)

Trunk lid open limit switch (S69/9)
Trunk lid closed/locked left limit switch (S69/7)
Trunk lid closed/locked right limit switch (S69/8)
Voltage supply power windows
Combination control module (N10-3)

Retractable hardtop hydraulic unit (A7/5)
Retractable hardtop solenoid valve (A7/5y1)

23 9.0

23 9.0

23 12.0
23 13.0
23 13.0
23 19.0 - 30.0

23 21.0, 25.0

23 6.0, 7.0
23 31.0
No. 21
Side windows do not open or close with retractable hardtop switch (S84) but function properly with power window switch
Retractable hardtop not locked
Retractable hardtop switch (S84)
Combination control module (N10-3)
23 9.0, 13.0
23 17.0
23 21.0, 25.0
No. 22
Side windows do not open or close with power windows switch (first detent)
Left front power window switch (S21/1)
Right front power window switch (S21/2)
Left front power window motor (M10/3)
Right front power window motor (M10/4)
Combination control module (N10-3)
23 20.0
23 24.0
23 22.0
23 26.0
23 19.0, 23.0
No. 23
Side windows do not open with one touch function
Left front power window switch (S21/1)
Right front power window switch (S21/2)
Combination control module (N10-3)
23 20.0
23 24.0
23 19.0, 23.0
No. 24
Retractable hardtop opening or closing sequence too slow
Check hydraulic unit 33 1.0
1) Observe Preparation for Test, see 22.