General Troubleshooting

General troubleshooting

Checking the wiring and connectors








- Ignition off.
If malfunctions appear sporadically and no diagnostic trouble codes are stored:

- Check the power supply and ground connection for Parking Assistance Module (PAM).
- Check leads and connectors between Parking Assistance Module (PAM) and all parking sensors.
- Check the control area network (CAN). Check for an open-circuit. Check for a short-circuit.
Check connectors for damage to pins and connections. Check the connectors. Check for loose connections. Check for contact resistance. Check for oxidation.
Check the cables for open circuit, short circuit to ground and short circuit to supply voltage.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting the Breakout Box, Parking Assistance Module (PAM)
- Signal specification Signal Specification, Parking Assistance Module (PAM)
- For further information, see the wiring diagram.
- Checking the power supply and ground terminal Checking Voltage/Ground Terminal, Parking Assistance Module (PAM)
- Parking assistance module Parking Assistance Module (PAM), Replacing
- Distance sensors parking assistance rear Parking Assistance, Rear
- Distance sensor, park assistance, front Parking Assistance, Front
- General information about fault-tracing in the CAN network Initial Inspection and Diagnostic Overview
- Checking wiring and terminals Checking Wiring and Terminals. Permanent Faults









Continue - FAULT FOUND

-------------------------------------------------