Fault code 5: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING CHART (FAULT CODE 5) - PARKASSISTANT

Work instruction			Display OK	If not OK
1	Check supply voltage of control module	Select Control unit supply voltage in the Actual values menu item. Start the engine. Engage reverse gear.	Approx. 12 V -> End	Step 2
2	Check the generator	Start the engine. Measure voltage between both battery terminals.	> 9 V and < 14.5 V Step 3	< 9 V or > 12 V:repair generator. -> End
3	Check input voltage of the control module	Switch off ignition. Pull plug II off the control module for ParkAssist. Switch on ignition. Measure voltage between plug II pin 18 of the control module for ParkAssist and ground. Measure voltage at plug II pin 18 and pin 10.	Approx. 12 V Step 4	Repair wiring harness. -> End
4	Replace control module for ParkAssist		-> End