DTC Scion B1861-64 Short Explanation
Channel: Maxidot
Date: 01/11/2020

The video focuses on the basic Scion 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

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Make:
Scion
Code:
B1861 64
Definition:
O2 (B2 S2) Remains at Center
Description:
Engine runtime over 2 minutes,system voltage over 10.5v,ECT Sensor more than 170ºF,and the PCM detected the O2 signal remained fixed between 350-550 mV for 1.5 minutes.
Cause:
Exhaust leak present in exhaust manifold or exhaust pipesO2 element is fuel contaminated or has deterioratedO2 signal circuit or ground circuit has high resistancePCM has failed
Failure Type:
Signal Plausibility Failure
This sub type is used for failures where the control module detects a single input parameter for plausibility.