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Home >> Infiniti >> 2020 >> QX80 Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 5) >> Engine (ECM) >> DTC P26A7: Multi-Way Control Valve Position Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible Cause

P26A6

ENGINE COOLANT B/V A POSI SEN

(Engine coolant bypass valve A position sensor circuit low)

ECM detects the following status continuously for 5 seconds or more:

A voltage signal transmitted from the multi-way control valve position sensor is 0.34 V or less.
  • Harness or connectors

    (Multi-way control valve position sensor circuit is open or shorted.)

  • Multi-way control valve position sensor
  • Sensor power supply 2

P26A7

ENGINE COOLANT B/V A POSI SEN

(Engine coolant bypass valve A position sensor circuit high)

ECM detects the following status continuously for 5 seconds or more:

A voltage signal transmitted from the multi-way control valve position sensor is 4.76 V or more.
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