DTC P04DB-00: Crankcase Ventilation System Disconnected [09/2018 - 09/2022]: Wiring Diagram

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Refer to DTC P0100-12 for the mass air flow meter sub-assembly circuit.
Refer to WIRING DIAGRAM
Refer to DTC P2195-19 for air fuel ratio sensor circuit.
Refer to DTC P2195-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold; DTC P2195-24: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck High; DTC P2196-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Below Threshold; DTC P2196-23: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck Low [09/2018 - 09/2022]