DTC Infiniti B2118 Short Explanation

The video focuses on the basic Infiniti 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
Infiniti
Code
B2118
Definition
System Too Lean Bank 1
Description
Monitor runs whenever following DTCs are not present P0010, P0020 OCV bank 1, 2 P0011, P0021 VVT system bank 1, 2 - advance P0012, P0022 VVT system bank 1, 2 - retard P0013, P0023 Exhaust OCV bank 1, 2 P0014, P0024 Exhaust VVT system bank 1, 2 - advance P0015, P0025 Exhaust VVT system bank 1, 2 - retard P0016, P0018 VVT system bank 1, 2 - misalignment P0017, P0019 Exhaust VVT system bank 1, 2 - misalignment P0031, P0032, P0051, P0052 A or F sensor heater P0102, P0103 MAF meter P0115, P0117, P0118 ECT sensor P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 TP sensor P0125 Insufficient ECT for closed loop P0335 CKP sensor P0340, P0342, P0343, P0345, P0347, P0348 VVT sensor P0351, P0352, P0353, P0354, P0355, P0356 Igniter P0365, P0367, P0368, P0390, P0392, P0393 Exhaust VVT sensor P0500 Vehicle speed sensor Fuel system status Closed loop Battery voltage 11 V or more Either following condition is met 1 Engine RPM less than 1100 rpm 2 Intake air amount per revolution 022 g or rev or more Catalyst monitor Not executed
Cause
Air induction system Injector blockage MAF meter ECT sensor Fuel pressure Gas leakage from exhaust system Open or short in A or F sensor bank sensor 1 circuit A or F sensor bank 1 sensor 1 A or F sensor heater bank 1 sensor 1 A or F sensor heater relay A or F sensor heater and A or F sensor heater relay circuits PCV valve and hose PCV hose connections ECM