DTC Nissan B2578 Short Explanation
Channel: Maxidot Nissan
Date: 2020-06-20

The video focuses on the basic Nissan 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:
Nissan
Code:
B2578
Definition:
Evaporative Emission System Leak Detection Pump Control Circuit High
Description:
Reference orifice clogged.Reference orifice high-flow.Leak detection pump OFF malfunction.Leak detection pump ON malfunction.Vent valve ON (close) malfunction.
Cause:
 Canister pump module (Reference orifice,leak detection pump,vent valve) Connector or wire harness (Canister pump module - ECM) EVAP system hose (pipe from air inlet port to canister pump module,canister filter,fuel tank vent hose) ECM