Info

Test point 3

Convertible-top pot. fault Fault code 03

This fault is only stored in the memory if the voltage at the input of the convertible-top potentiometer exceeds or falls below

1. Switch ignition off and remove ignition key. With test adapter 9619, 9636 and pin template 9636, measure the resistance of the convertible-top potentiometer at row 1, pins 12, 21 and 24 with the ohmmeter. If the display °° Q appears, the convertible-top potentiometer must be replaced. Refer to Serv. No. 61 66 19

2. Switch on the ignition and measure at row 1, pins 12 and 21, with the voltmeter; nominal value (display) 0.4 - 4.4 volts.

If there is no voltage display, replace the control module.

3. Calibrate the convertible top

Test point 4

CTCL pot. fault Fault code 04

This fault is only stored in the memory if the voltage at the input of the convertible-top compartment lid potentiometer exceeds

1. Switch ignition off and remove ignition key. With test adapter 9619, 9636 and pin template 9636, measure the resistance of the convertible-top compartment lid potentiometer at row 1, pins 1, 3 and 5 with the ohmmeter. If the display °° Q appears, the potentiometer and drive motor must be replaced.

Refer to Serv. No. 61 70 19

2. Switch on the ignition and measure at row 3, pins 1 and 3, with the voltmeter; nominal value (display) 0.5 - 4.4 volts.

If there is no voltage display, replace the control module.

3. Calibrate the convertible top

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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