LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2016 >> 335i Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1084 (Self Diagnosis - Diagnostic Trouble Codes (N20 & N26)) >> Fault Code Tests >> DTC P0036: BMW DTC 12B304; DME -- Ho2S Heater Control Circuit (Bank 1 Sensor 2) >> Service instruction

Service instruction

WARNING: This page does not describe the selected car, but rather 59 other vehicles, including the 2018 BMW X4, 2018 BMW 320i xDrive, 2018 BMW 320i, 2017 BMW X4, and 2017 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

The internal resistance of the oxygen sensor heater can be measured when disconnected/removed. A resistance greater than 1000 ohms can be measured between pin 1 (+12 V) and pin 2 (GND) in the event of a fault and when the sensor is cold (less than 50 °C).