Part 4

Checking electrically convertible hardtop (Continued)

Picture 8. Opening of hardtop
The following takes place in this stage of sunroof operation:
The trunk lid is locked at the leading edge. Windows are raised.
Feel with your hand if the trunk lid is locked at the leading edge near the rear window. If it is not locked it can be lifted a few centimeters by hand.

Was the trunk lid locked at the leading edge?

Yes - Trunk lid locked.

No - The trunk lid is not locked.

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Picture 8. Closing of hardtop
The following takes place in this stage of sunroof operation:
The trunk lid is locked at the leading edge. Windows are raised.
Feel with your hand if the trunk lid is locked at the leading edge near the rear window. If it is not locked it can be lifted a few centimeters by hand.

Was the trunk lid locked at the leading edge?

Yes - Trunk lid locked.

No - The trunk lid is not locked.

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Picture 1. Starting loading assistance function
The following takes place in this stage of sunroof operation:
The lock catches that lock the lowered hardtop in the luggage compartment release. The folded hardtop is lifted up out of the luggage compartment to facilitate loading.

Have the lock catches that lock the lowered hardtop in the luggage compartment released?

Yes - Lock catches have released

No - Lock catches have not released

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Picture 1. Finishing loading assistance function
The following takes place in this stage of sunroof operation:
The folded hardtop is lowered down in the luggage compartment.
Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.

1 - Checking Hall sensor 1

3 - Checking Hall sensor 3

5 - Checking Hall sensor 5

6 - Checking Hall sensor 6

7 - Checking Hall sensor 7

9 - Checking Hall sensor 9

10 - Checking Hall sensor 10

11 - Checking Hall sensor 11

12 - Checking Hall sensor 12

13 - Checking Hall sensor 13

15 - Checking Hall sensor 15

16 - Checking Hall sensor 16

18 - Checking Hall sensor 18

19 - Checking Hall sensor 19

2 - rear hardtop part

17 - front hardtop part

OK - Resetting of convertible hardtop

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Lock catches have released
Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.

1 - Checking Hall sensor 1

3 - Checking Hall sensor 3

5 - Checking Hall sensor 5

6 - Checking Hall sensor 6

7 - Checking Hall sensor 7

9 - Checking Hall sensor 9

10 - Checking Hall sensor 10

11 - Checking Hall sensor 11

12 - Checking Hall sensor 12

13 - Checking Hall sensor 13

15 - Checking Hall sensor 15

16 - Checking Hall sensor 16

18 - Checking Hall sensor 18

19 - Checking Hall sensor 19

2 - rear hardtop part

17 - front hardtop part

OK - Resetting of convertible hardtop

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Lock catches have not released
Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.

Did the hardtop go down into the luggage compartment?

Yes - Verification

No - Finishing loading assistance function

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Finishing loading assistance function
The hardtop's movement consists of several steps. For next step to begin, the previous must have finished. If position sensor or hall sensors do not have the values they should, the hardtop stops. The link below shows pictures of the positions where the hardtop movement goes from one step to the next. For some reason the position sensors and hall sensors have not reached their end values for respective step. This results in the next step not being able to start.
Make sure that the trunk lid is fully open.
Press on the switch for loading assistance to start or finish the loading assistance function.
To decide which hall sensor is not working. Click on the link below and compare the pictures with the position that the hardtop is in. Choose the button that matches the position in which the hardtop has stopped.

Other information
- Roof positions for finishing the load assistance function Roof Positions for Finishing the Load Assistance Function

1 - Picture 1. Finishing loading assistance function

2 - Picture 2. Finishing loading assistance function

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Picture 2. Finishing loading assistance function
The following takes place in this stage of sunroof operation:
The folded hardtop is locked in the luggage compartment with lock catches.

Have the lock catches that lock the lowered hardtop in the luggage compartment locked?

Yes - Lock catches have locked

No - Lock catches have not locked

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Lock catches have locked
The operation is finished.

Continue - Verification

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Lock catches have not locked
Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.

1 - Checking Hall sensor 1

3 - Checking Hall sensor 3

5 - Checking Hall sensor 5

6 - Checking Hall sensor 6

7 - Checking Hall sensor 7

9 - Checking Hall sensor 9

10 - Checking Hall sensor 10

11 - Checking Hall sensor 11

12 - Checking Hall sensor 12

13 - Checking Hall sensor 13

15 - Checking Hall sensor 15

16 - Checking Hall sensor 16

18 - Checking Hall sensor 18

19 - Checking Hall sensor 19

2 - rear hardtop part

17 - front hardtop part

OK - Resetting of convertible hardtop

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Checking position sensor 2, rear hardtop part
Check that the position sensor or the hardtop has not been damaged in such a away that it interferes with the position sensor's function.
Activate read-out of the position sensor's value by clicking the VCT2000 symbol.
Loosen the position sensor's arm from the attachment in the hardtop by removing the clips that secure it.
Check that the position sensor's value changes when the arm moves back and forth.
If not, replace position sensor.
If no problem was found, attach the position sensor's arm again and choose Continue.

Other information
- Signal specification Signal Specification, Convertible Roof Module (CRM)
- Checking wiring and terminals Checking Wiring and Terminals
- Convertible Top Position Sensor Convertible Top Position Sensor
- For information about the cable routing, see the relevant Wiring Diagram.

Continue - Resetting of convertible hardtop

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Checking position sensor 17, front hardtop part
Check that the position sensor or the hardtop has not been damaged in such a away that it interferes with the position sensor's function.
Activate read-out of the position sensor's value by clicking the VCT2000 symbol.
Loosen the position sensor's arm from the attachment in the hardtop by removing the clips that secure it.
Check that the position sensor's value changes when the arm moves back and forth.
If not, replace position sensor.
If no problem was found, attach the position sensor's arm again and choose Continue.

Other information
- Signal specification Signal Specification, Convertible Roof Module (CRM)
- Checking wiring and terminals Checking Wiring and Terminals
- Convertible Top Position Sensor Convertible Top Position Sensor
- For information about the cable routing, see the relevant Wiring Diagram.

Continue - Resetting of convertible hardtop

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Resetting of convertible hardtop
If the position sensor's arm has been loosened, the control module must be reset. Click on the symbol for VCT2000 to reset the control module.

Continue - Verification

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Verification
Hint: After carrying out the repair, check that the fault has been remedied.
Ignition off.
Reinstall the connectors, components etc.
Ignition on.
Check that the control of the roof is working in both directions.
Check that the load assistance function works.
If everything works.
Click on the VCT2000 symbol to erase the diagnostic trouble codes (DTCs).

Does operation of the roof work?

Yes - FAULT FOUND

No - Information

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Resetting of convertible hardtop
If all hall sensors and position sensors show right value but the hardtop still does not work, it may help to restart the convertible control module. Click on the symbol for VCT2000 to restart the control module.

Continue - Verification

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Picture 5. Opening of hardtop
The following takes place in this stage of sunroof operation:
All 3 parts of the roof are raised.
During the roof operation procedure that has not started, the following applies:
The hardtop folds up and is placed in the luggage compartment.

Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.

1 - Checking Hall sensor 1

3 - Checking Hall sensor 3

5 - Checking Hall sensor 5

6 - Checking Hall sensor 6

7 - Checking Hall sensor 7

9 - Checking Hall sensor 9

10 - Checking Hall sensor 10

11 - Checking Hall sensor 11

12 - Checking Hall sensor 12

13 - Checking Hall sensor 13

15 - Checking Hall sensor 15

16 - Checking Hall sensor 16

18 - Checking Hall sensor 18

19 - Checking Hall sensor 19

2 - rear hardtop part

17 - front hardtop part

OK - Resetting of convertible hardtop

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Picture 4. Opening of hardtop
The following takes place in this stage of sunroof operation:
The hardtop's middle part is released from the hardtop's front and rear part. The hardtop's front part is lifted up.
During the roof operation procedure that has not started, the following applies:
All 3 parts of the roof are raised.
Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.

1 - Checking Hall sensor 1

3 - Checking Hall sensor 3

5 - Checking Hall sensor 5

6 - Checking Hall sensor 6

7 - Checking Hall sensor 7

9 - Checking Hall sensor 9

10 - Checking Hall sensor 10

11 - Checking Hall sensor 11

12 - Checking Hall sensor 12

13 - Checking Hall sensor 13

15 - Checking Hall sensor 15

16 - Checking Hall sensor 16

18 - Checking Hall sensor 18

19 - Checking Hall sensor 19

2 - rear hardtop part

17 - front hardtop part

OK - Resetting of convertible hardtop

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Picture 7. Closing of hardtop
The following takes place in this stage of sunroof operation:
The trunk lid is lowered. The hardtop is locked front and rear.
During the roof operation procedure that has not started, the following applies:
The trunk lid is locked at the leading edge. Windows are raised.
Activate read-out of the hall sensors' and position sensors' values in the folded hardtop by clicking on the symbol for VCT2000.
Compare the read-out values with the normal value that also is shown. If any value does not match, click on the button that has the same number as the hall sensor or position sensor has, which shows an incorrect value. If all hall sensors or position sensors show right, click on OK to finish troubleshooting.