Ground
| Ground |
The main instrument unit is grounded through pin 2 (K12) and pin 3 (K12) to grounding point G33S. The grounding points are internally connected.
Diagnostics
If there is no ground connection, warning lamps, etc. which are grounded outside the main instrument unit (such as the ABS warning lamp) will still work.If there is no ground connection the main instrument unit will not be activated. The engine will not start if bus communication is inoperative.
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