FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Part 3






Checking Hall sensor 13
Check that the hall sensor is adequately secured. Check that the hardtop has not been damaged in such a way that the part that the hall sensor is to detect does not come within the detection range.
Hall sensor 13 requires a magnet to be activated. Check that the plastic clip that holds the magnet in place is in place and that the magnet is in it. Check that the hall sensor is working by loosening the plastic clip and holding it so that the magnet comes within the hall sensor's detection range which is 2.5 mm.
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections. If no malfunction was found, try replacing hall sensor.

Other information
- Checking wiring and terminals Checking Wiring And Terminals
- Covertible Top Position Switch Convertible Top Position Switch
- For information about the cable routing, see the relevant Wiring Diagram.

OK - Verification

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Checking Hall sensor 15
Check that the hall sensor is adequately secured. Check that the hardtop has not been damaged in such a way that the part that the hall sensor is to detect does not come within the detection range.
Check that the hall sensor is working by placing a nut or screw of some magnetic material, e.g., iron, within its detection range which is 1.5 mm. Aluminium or stainless steel does not work. Check at the same time that the hall sensor's read-out value changes.
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections. If no malfunction was found, try replacing hall sensor.

Other information
- Checking wiring and terminals Checking Wiring And Terminals
- Covertible Top Position Switch Convertible Top Position Switch
- For information about the cable routing, see the relevant Wiring Diagram.

OK - Verification

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Checking Hall sensor 10
Check that the hall sensor is adequately secured. Check that the hardtop has not been damaged in such a way that the part that the hall sensor is to detect does not come within the detection range.
Check that the hall sensor is working by placing a nut or screw of some magnetic material, e.g., iron, within its detection range which is 1.9 mm. Aluminium or stainless steel does not work. Check at the same time that the hall sensor's read-out value changes.
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections. If no malfunction was found, try replacing hall sensor.

Other information
- Checking wiring and terminals Checking Wiring And Terminals
- Covertible Top Position Switch Convertible Top Position Switch
- For information about the cable routing, see the relevant Wiring Diagram.

OK - Verification

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Checking Hall sensor 16
Check that the hall sensor is adequately secured. Check that the hardtop has not been damaged in such a way that the part that the hall sensor is to detect does not come within the detection range.
Check that the hall sensor is working by placing a nut or screw of some magnetic material, e.g., iron, within its detection range which is 1.5 mm. Aluminium or stainless steel does not work. Check at the same time that the hall sensor's read-out value changes.
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections. If no malfunction was found, try replacing hall sensor.

Other information
- Checking wiring and terminals Checking Wiring And Terminals
- Covertible Top Position Switch Convertible Top Position Switch
- For information about the cable routing, see the relevant Wiring Diagram.

OK - Verification

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Checking Hall sensor 18
Check that the hall sensor is adequately secured. Check that the hardtop has not been damaged in such a way that the part that the hall sensor is to detect does not come within the detection range.
Check that the hall sensor is working by placing a nut or screw of some magnetic material, e.g., iron, within its detection range which is 1.5 mm. Aluminium or stainless steel does not work. Check at the same time that the hall sensor's read-out value changes.
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections. If no malfunction was found, try replacing hall sensor.

Other information
- Checking wiring and terminals Checking Wiring And Terminals
- Covertible Top Position Switch Convertible Top Position Switch
- For information about the cable routing, see the relevant Wiring Diagram.

OK - Verification

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Checking Hall sensor 19
Check that the hall sensor is adequately secured. Check that the hardtop has not been damaged in such a way that the part that the hall sensor is to detect does not come within the detection range.
Check that the hall sensor is working by placing a nut or screw of some magnetic material, e.g., iron, within its detection range which is 1.5 mm. Aluminium or stainless steel does not work. Check at the same time that the hall sensor's read-out value changes.
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections. If no malfunction was found, try replacing hall sensor.

Other information
- Checking wiring and terminals Checking Wiring And Terminals
- Covertible Top Position Switch Convertible Top Position Switch
- For information about the cable routing, see the relevant Wiring Diagram.

OK - Verification

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Image 1. Closing of hardtop
The following takes place in this stage of sunroof operation:
Windows shall be lowered a few centimeters and the trunk lid shall be unlocked at the leading edge.
During the roof operation procedure that has not started, the following applies:
The trunk lid released at the leading edge and is lifted up completely. The mechanical catch that holds the hardtop in the luggage compartment releases.
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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The trunk lid is 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 - Checking position sensor 2, rear hardtop part

17 - Checking position sensor 17, front hardtop part

OK - Resetting of convertible hardtop

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Picture 2. Closing of hardtop
The following takes place in this stage of sunroof operation:
The trunk lid released at the leading edge and is lifted up completely. The mechanical catch that holds the hardtop in the luggage compartment releases.
During the roof operation procedure that has not started, the following applies:
The hardtop is lifted out of 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 - Checking position sensor 2, rear hardtop part

17 - Checking position sensor 17, front hardtop part

OK - Resetting of convertible hardtop

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