Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (6 OF 9))DTC/CIRCUIT DIAGNOSISDTC P1556, P1557: BATTERY TEMPERATURE SENSORCOMPONENT INSPECTION (BATTERY TEMPERATURE SENSOR)
2019 Infiniti Q70 3.7 Luxe, AWD
Component Inspection (Battery Temperature Sensor)
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Component Inspection (Battery Temperature Sensor)
WARNING: This page is about a different variant/trim than selected.
- CHECK BATTERY TEMPERATURE SENSOR
- Turn ignition switch OFF.
- Disconnect battery current sensor.
- Check the resistance between battery current sensor connector terminals.
Battery current sensor
Resistance
+
-
Terminal
2
3
continuity with the resistance value 100 Ohm or more
Is the inspection result normal?
YES
INSPECTION END
NO
Replace battery negative cable assembly.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.