Montero O2 Sensor Wiring Diagram. This pin doesnt need to be wired to anything 126 pattern select switch none input hold switch. A four wired oxygen sensor has four wires two wires for the heater circuit and two wires are for the sensing element.
O2 sensor heater quick fix. Mitsubishi montero 2003 circuit diagrams 3. Mitsubishi montero 1998 wiring diagram.
Mitsubishi montero 2003 circuit diagrams 3.
It shows the components of the circuit as simplified shapes and the faculty and signal links surrounded by the devices. The electrical connections for the sensors are routed upward toward the top follow the appropriate wire harness to find the connector. I purchased this oem brand o2 sensor for my 2007 suburban and it is the downstream sensor. My 1989 montero has only 2 wires on the present hookup for the o2 sensor a blue and a white wire.