Bosch Wideband O2 Sensor Wiring Diagram

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Bosch wideband o2 sensor wiring diagram.

Can anyone explain whats happening inside the plug that requires this extra wire. Download our wiring diagrams for our complete range of bosch controls and modules. The exhaust gas passage opposite the sensor must be free of leaks in order to avoid the effects of leak air. From there production grew steadily and the oxygen sensor became an essential tool for fuel efficiency and the reduction of co2 emissions.

The narrowband sensor described above detects the voltage v s produced by the nernst cell. 1 identify the two heater wires first 2 wires that are the same color and match. Protect the sensor against condensation water. The bosch wideband has 5 wires on a 6 plug connector.

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. To date bosch has produced 1 billion oxygen sensors. Bosch 5 wire wideband o2 sensor wiring diagram wiring diagram is a simplified standard pictorial representation of an electrical circuit. O 2 4e 2 o 2.

I am wiring a bosch lsu 4 2 wideband to an aem infinity 508. 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. It shows the components of the circuit as simplified shapes and the gift and signal friends amid the devices. In a rich mixture the oxygen ions will combine on the pump cell s catalytic.

That same year the volvo 240 260 series became the first passenger car equipped with the new bosch sensor. Premium wideband a f o2 oxygen sensors. But there are 6 wires that go to the ecu side of the plug and aem says it has to be wired that way. As far as possible install the sensor vertically wire upwards.

Bosch oxygen sensor installation guide page 5 of 7 use the wire color reference table to determine the proper wire connection.