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Home >> Infiniti >> 2021 >> Q50 Signature Edition, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (6 Of 6) >> Engine (ECM) >> P26A5 Multi-Way Control Valve Position Sensor >> DTC Description >> VR30DDTT engine >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P26A5

ENGINE COOLANT B/V A POSI SEN

(Engine coolant bypass valve A position sensor circuit range/performance)

ECM detects the following status:

  • A voltage signal transmitted from the multi-way control valve position sensor is 4.76 V or more/4.3 V or less. Outside the above threshold when the valve is moved to the upper side stopper after ignition OFF.
  • A voltage signal transmitted from the multi-way control valve position sensor is 0.8 V or more/0.34 or less. Outside the threshold when the valve is moved to the lower side stopper after engine start.
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