Nominal values

With the ignition switched on

Supply voltage 11.5 to 13.5 volts

Pot. 1, convertible top

The values between pot. 1, calibration value 1, and pot. 1, calibration value 6, are calculated as percentage by the convertible-top control module.

If the actual values (measured values) of calibration values 1 and 6 differ, the convertible-top potentiometer must be replaced. Refer to Serv. No. 61 66 19

- Pot. 1 calibration value 1

- Pot. 1 calibration value 2

- Pot. 1 calibration value 3

- Pot. 1 calibration value 4

- Pot. 1 calibration value 5

- Pot. 1 calibration value 6

Voltage measurement of convertible-top potentiometer

Switch on the ignition and measure voltage with test adapters 9619 and 9636 and the pin template 9636 and measure row 1, pins 12 and 21, with the voltmeter. Nominal value 0.4 - 4.4 volts.

Tester display must be smaller than <1.6 volts

Tester display must be greater than > 3.0 volts

Pot. 2, convertible-top compartment lid

The values between pot. 2, calibration value 1, and pot. 2, calibration value 4, are calculated as percentage by the convertible-top control module.

If the actual values (measured values) of calibration values 1 and 4 differ, the CTCL potentiometer must be adjusted. Refer to Serv. No. 61 70 19

- Pot. 2 calibration value 1

- Pot. 2 calibration value 2

- Pot. 2 calibration value 3

- Pot. 2 calibration value 4

Voltage measurement of convertible-top compartment potentiometer

Switch on the ignition and measure voltage with test adapters 9619 and 9636 and the pin template 9636 and measure row 3, pins 1 and 3, with the voltmeter. Nominal value 0.5 - 4.4 volts.

Tester display must be greater than >1.0 volts Tester display must be smaller than < 3.9 volts

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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