DTC Toyota U0122 Short Explanation

The video focuses on the basic Toyota specific diagnostic error code. Contents: 0:21 Basic DTC analysis according to OBD2 protocol standard. 1:48 Insight into programming - an explanation of what a bit is and how a byte is formed - decoding the Error Code to the base programming 2:58 A diagnostically understandable description of the Diagnostic Trouble Code 3:05 Basic error definition - Possible causes or errors of the car and its parts describing the mentioned error We will continue to work on improving the content. Our efforts at Maxidot s.r.o.the video content gets better. #toyota Make: Toyota Code: U0122 Definition: Air Fuel Ratio (A or F) Sensor 1 Circuit (Includes Hybrid Models) Description: HYBRID MODELS CAUTION: Hybrid systems use very high-voltage battery systems.Before starting any service work involving the battery system,turn the ignition switch OFF and then remove the service plug from pocket in the trunk.After removing the service plug,wait 10 minutes before touching any of the high-voltage connectors and terminals.NOTE: On V6 and V8 engines,this applies to Bank 1. Condition A: The A or F signal computed by ECM from the A or F sensor 1 signal is constantly in the range other than approx.2.2V.Condition B: The A or F signal computed by ECM from the A or F sensor 1 signal is constantly approx.2.2V. Cause: Harness or connectors- Air fuel ratio (A or F) sensor 1 circuit is open or shorted. Air fuel ratio (A or F) sensor 1