LEMON Manuals: Even more car manuals for everyone: 1960-2025
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 P1553: Battery Current Sensor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P1553

00

BAT CURRENT SENSOR

(BAT CURRENT SENSOR)

Diagnosis condition

Engine running at idle

Signal (terminal)

Bttery current sensor signal and sensor power supply 1 signal.

Threshold

The signal voltage transmitted from the sensor to ECM is higher than the amount of the maximum power generation.

Diagnosis delay time

--