Bosch Wideband O2 Sensor Wiring Diagram

That same year the volvo 240 260 series became the first passenger car equipped with the new bosch sensor.

Bosch wideband o2 sensor wiring diagram.

Protect the sensor against condensation water. I am wiring a bosch lsu 4 2 wideband to an aem infinity 508. It took 32 years from 1976 to 2008 to reach the production record of 500 million pieces but only eight years from 2008 to 2016 to. Bosch 5 wire wideband o2 sensor wiring diagram wiring diagram is a simplified standard pictorial representation of an electrical circuit.

It s been more than 40 years since bosch invented the oxygen sensor and began series production in 1976. Can anyone explain whats happening inside the plug that requires this extra wire. Bosch oxygen sensor installation guide page 5 of 7 use the wire color reference table to determine the proper wire connection. Wideband air fuel sensors perform the same function as a regular o2 sensor but they precisely measure the amount oxygen in the exhaust rather than just switching between rich too much fuel not enough oxygen and lean too much oxygen not enough fuel.

The exhaust gas passage opposite the sensor must be free of leaks in order to avoid the effects of leak air. It shows the components of the circuit as simplified shapes and the gift and signal friends amid the devices. O 2 4e 2 o 2. It is possible to force a current through the molten electrolyte and to drive the chemical reaction such that oxygen is pumped in the form of o 2 ions from one side of the cell to the other.

As far as possible install the sensor vertically wire upwards. To date bosch has produced 1 billion oxygen sensors. Premium wideband a f o2 oxygen sensors. The narrowband sensor described above detects the voltage v s produced by the nernst cell.

Download our wiring diagrams for our complete range of bosch controls and modules. But there are 6 wires that go to the ecu side of the plug and aem says it has to be wired that way. The bosch wideband has 5 wires on a 6 plug connector. From there production grew steadily and the oxygen sensor became an essential tool for fuel efficiency and the reduction of co2 emissions.

1 identify the two heater wires first 2 wires that are the same color and match.