Test Point 7

TEST POINT 7
Transmission / Reception Pulse

Fault Code 7
This fault is stored in the following cases:
1. Low vehicle voltage
2. If there is a short circuit in the supply leads
3. Faulty sensors or a faulty control module

Elimination:

- Examine battery and generator voltages.

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

Control module supply voltage display: approx. 12 Volts

Sensor supply voltage display: approx. 8 Volts

- Delete fault memory, disengage reverse gear and switch off ignition. Then switch on Ignibon, engage reverse gear again and read out fault memory.

- If the fault reappears and one or several sensors are detected as being faulty as well, replace sensor(s).