Antenna: Testing and Inspection

WM 912801 Checking antenna cables

Tools

Closed-circuit current should be measured using an analogue or digital multimeter with a long integration time (to filter out voltage peaks).





Multimeter






Checks

General checks

1. Comparison checking
1.1. Check how many radio transmitters are received. To do this, compare the transmitters received using another vehicle since the reception can vary considerably, depending on the area.
2. visual inspection
2.1. Remove upper part of rear spoiler. -> 665819 Removing and installing rear spoiler - "Removing" section 665819 Removing and installing rear spoiler (Aerokit)

Information

- The antenna plugs and antenna leads are not available individually. If the antenna plugs or antenna leads are damaged at the disconnection point on the roof, the complete wiring harness must be replaced.

2.2. Check that antenna leads are not crushed or severely kinked. Replace damaged antenna lead and corresponding wire harness if necessary.
2.3. Check antenna plugs for visible damage. Replace wiring harness with damaged plug if necessary.
2.4. Check that all plug connections are inserted and locked correctly.
2.5. Check that the correct components are installed.

Radio CDR23





PCM