Power supply
| Power supply |
Current (+30 circuit) is supplied to pin 7 (K12) of the main instrument unit via fuse 17.
The control module uses current from the +30 circuit for its memory.
| Battery voltage (+15 circuit) |
Current (+15 circuit) is supplied to pin 1 (K12) and pin 6 (K12) of the main instrument unit via fuse 27.
The main instrument unit is activated by current from the +15 circuit.
Diagnostics
If +30 is missing, the tripmeter will reset each time the ignition is turned off.If no +15 current is present, the main instrument unit will not be "woken up". The engine will not start as bus communication has not been "awakened".
The function has no diagnostics.
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