[Dorco]

Hi People,


I'm trying to diagnose an issue on my BSD bus. I know the BSD bus has issues because it's showing several component in fault.
- Intelligent Battery Sensor (IBS)
- Oil condition sensor
- Altenator (Generator)
- BSD data bus communication fault

What would be a good way to diagnose the BSD bus? I've seen a video on Youtube where he used a oscilloscope. But the problem is that i don't have one.
What is the route of the bus, are all the sensors connected in series, or is it parallel? (should i get the bus online by disconnecting the the sensors/components that are connected to the bus?)

Note that the the Faul type in ISTA shows "short-circuit" for the BSD data bus error.

Is there a way to figure out which component is causing the issue?

[e91Owner]

The Bus schematics are also in ISTA. Just do a text search for BSD. All of the faults point to the wiring bundles on the right side of the car .

X60001=IBS

X60005=Alternator, oil sensor

There are further branches from the alternator to the oil sensor, but you'll have to click around in ISTA to see it. It's hard to describe from the static images here.

[Dorco]

Thank you very much, i will have a look at it tomorrow!