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Power supply

Power supply

Battery Voltage +30



+30 current is supplied via fuse 35 (22a) to the main instrument unit pin 7 (K12).

The control module uses current from the +30 circuit for its memory.

Battery Voltage +15

+15 current is supplied via fuse 17 (22a) to the main instrument unit pin 1 (K12) and pin 6 (K12).

The main instrument unit is activated by current from the +15 circuit.

Diagnosis

If no +30 current is present, the tripmeter is reset every time the ignition is switched off.

If no +15 current is present, the main instrument unit will not be activated. The engine will not start as bus communication has not been activated.

The function has no diagnostics.