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4 cylinders + 6 cylinders 4 cylinders + 6 cylinders - Steyr Motors

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ToC<br />

ELECTRICAL SYSTEM<br />

SERVICE MANUAL MARINE ENGINES<br />

06.10.05.05 Check oil pressure sensor B18 and/or wiring<br />

X18<br />

X18/A 31100-10<br />

X18/B 15100-07<br />

X18/C 60117-01<br />

On account of the sensor's integrated electronic system,only the supply voltage and/or the output<br />

signal can be measured.<br />

Make sure that with disconnected plug X15 and ignition "ON" the error code 32 HiLPS is stored<br />

--> At completion of check, cancel the error code; refer to 06.06.04<br />

Use a standard voltmeter / multimeter to mesure the supply voltage and/or the resistance.<br />

Supply voltage + 5V +/- 0,4V<br />

ignition ON main relay K27 active<br />

measuring point GND on X18/A against + 5V on X18/B<br />

Continuity from X18/C to control unit X5/10<br />

max. resistance 2 ohms<br />

Output signal depending on pressure; see diagram<br />

Remove B18 and admit pressure when X18 is connected; max. 5 bars<br />

measuring point X18/C --> X18/B<br />

10.05 ill.10<br />

voltage via pressure<br />

voltage (V)<br />

voltage<br />

pressure (bar)<br />

10.05 ill.11<br />

Page ELECTRICAL SYSTEM - 90 Z001019/0_6_July 2008

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