Fault code 6: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING CHART (FAULT CODE 6) - PARKASSISTANT

Work instruction			Display OK	If not OK
1	Visual inspection	Check sensors for external damage.	Step 2	Replace sensor. -> End
2	Check supply voltage of the sensors	Select Sensor supply voltage in the Actual values menu item.	Approx. 8 V -> End	Step 3
3	Check supply lead of the sensors	Switch off ignition. Pull off plugs on all sensors. Engage reverse gear. Switch on ignition. Measure voltage on all sensor plugs at pin 3 and ground respectively. Measure voltage on all sensor plugs at pins 3 and 2 respectively.	Approx. 8 V Step 4	Step 5
4	Detect faulty sensor	Push on sensor plugs one after the other. Delete fault memory each time. Note the sensor for which fault code 6 re-appears.	-	Replace sensor. -> End
5	Check sensor supply lead for short circuit to ground	Switch off ignition. Pull plug off the control module for ParkAssist. Measure the resistance between plug I pin 5 and ground. Measure the resistance between plug I pins 5 and 7.	Step 6	Repair wiring harness. -> End
6	Replace control module for ParkAssist		-> End