Mitsubishi Outlander PHEV P0037 Fault Oxygen Sensor (rear) Heater Circuit Low Input

OPERATION The engine control relay connector terminal supplies power to the heater power terminal on the oxygen sensor (rear) connector. The power transistor in the engine-ECU connection terminal OHRL controls the heater of the oxygen sensor (rear) connector terminal. Capability The engine-power ECU’s transistor’s ON/OFF switch controls the power supply Read more…