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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P1557: Battery Temperature Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P1557

00

BATTMPSEN/CIRC

(BATTMPSEN/CIRC)

Diagnosis condition

Engine running at idle

Signal (terminal)

Battery temperature sensor signal

Threshold

A signal voltage from battery temperature sensor remains 4.96 V or more

Diagnosis delay time

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