I am hoping that there is someone who may be able to assist myself and my nieghbour in confirming our deductions. We wish to know what each of the wires from the oxygen sensor are. From the Haynes manaual we have found the right picture with the shape of the connector.
This has 4 wires marked 1 to 4 and the table beside it says
4 = + for heater
3 = - for heater
2 = +
1 = nothing, but suspect that it is the ground.
The haynes electrical diagram shows the sensor with 4 wire marked on it numbered 22,7,9 and 6, what do these refer to in relation to the oxygen sensor.
many thanks in advance for any help on this.