Engine Oil Pressure Warning Light
DESIGN/PURPOSE
When engine oil pressure is low, the oil pressure warning light informs the driver of low oil pressure to prevent damage to the engine.
BULB CHECK
The bulb turns ON after turning ON the ignition switch (engine stop) and turns OFF after restarting the engine.
OPERATION AT COMBINATION METER CAN COMMUNICATION CUT-OFF OR UNUSUAL SIGNAL
For the operation for CAN communications blackout or abnormal signal reception, refer to
Fail-Safe
.
SIGNAL PATH
- ECM reads the resistance value of an engine oil pressure sensor and transmits the engine oil pressure warning signal to combination meter via CAN communication.
- The information display (on combination meter) is SHOWN/HIDDEN the engine oil pressure warning, according to the engine oil pressure sensor signal received from ECM.
LIGHTING CONDITION
When all of the following conditions is satisfied:
- Ignition switch: ON
- Engine running
- Engine oil pressure is less than specified value.
SHUTOFF CONDITION
- Ignition switch: OFF
- Engine stop
- Engine oil pressure is the specified value or more.
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