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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (5 Of 5) >> DTC/Circuit Diagnosis >> DTC P26A3: Multi-Way Control Valve Motor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P26A3 is displayed with DTC P26A5, P26A6, and/or P26A7 first perform the trouble diagnosis for DTC P26A5, P26A6, and/or P26A7. Refer to DTC Index .

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P26A3

00

ENGINE COOLANT BYPASS VALVE

(Engine coolant bypass valve A range/performance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

ECM detects the following status continuously for 10 seconds or more:

Target valve angle - actual valve angle +/- 5 deg.

Diagnosis delay time

5 consecutive seconds