90-15Fault code 9121 · Oil pressure

911 Turbo (996) Instrument cluster K20 90 90-15Fault code 9121 Oil pressure Diagnostic conditions • Engine running Possible cause of fault ♦Sensor for oil pressure indicator faulty ♦Short circuit to voltage/ground or open circuit in the wiring between the sensor for oil pressure indicator and instrument cluster Affected terminals Plug B, terminal 5 Note! ♦In total, 2 wires are connected to the sensor for the oil pressure indicator. The wire with the terminal designation "WC" (Warning Contact) is connected to the oil pressure switch which connects ground to the instrument cluster in the case of a stationary engine or low oil pressure and thereby actuates the warning light. A display warning is also emitted in the instrument cluster at the same time if the engine is running and the oil pressure is low. ♦The wire with the terminal designation "G" on the sensor for oil pressure indicator is monitored. Affected terminals Plug B, terminal 5 9025 Fault code 9121 90-15 page 1 Printed in Germany – 8, 2001 9121xk20