Test Point 6

Test point 6
Control module supply voltage [<]6.5 V

Fault code 6

This fault is stored in the memory in the following cases:
1. Low vehicle voltage.
2. If there is a short circuit in the supply leads.

Remedy:
Examine battery and alternator voltage.

Select Control module supply voltage and Sensor supply voltage in the Actual values menu item, and check the values with the vehicle in reverse gear and the ignition switched on.

Displayed control module approx. 12 V
supply voltage

Displayed sensor approx. 8 V
supply voltage

Pull off connector of number plate light and check the connector, pin 4 to pin 3, pin and sleeve side, for continuity.