Riviera V6-231 3.8L VIN C SFI (1989)
Body Control Module: Initial Inspection and Diagnostic Overview
Oil Pressure Low
Oil Pressure Low Message
Oil Pressure Sensor Circuit
DESCRIPTION:
The BCM provides voltage to the oil pressure circuit, and the oil pressure sensor provides the single path to ground. The BCM supplies and internally
monitors the voltage level of the circuit at pin 3D9. The sensor acts like a variable resistor, when the oil pressure is high, resistance is high, and the BCM
