DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P1556	BAT TMP SEN/CIRC (Battery temperature sensor circuit low input)	Diagnosis condition	Start engine and let it idle
		Signal (terminal)	Voltage signal transmitted from buttery temperature sensor to ECM
		Threshold	Signal voltage from battery temperature sensor remains 0.16 V or less for 5 seconds or more
		Diagnosis delay time	-
P1557	BAT TMP SEN/CIRC (Battery temperature sensor circuit high input)	Diagnosis condition	Start engine and let it idle
		Signal (terminal)	Voltage signal transmitted from buttery temperature sensor to ECM
		Threshold	Signal voltage from battery temperature sensor remains 4.84 V or more for 5 seconds or more
		Diagnosis delay time	-

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1556

BAT TMP SEN/CIRC

(Battery temperature sensor circuit low input)

Signal voltage from Battery temperature sensor remains 0.16V or less for 5 seconds or more.

Harness or connectors
[Battery current sensor (Battery temperature sensor) circuit is shorted.]

[Camshaft position sensor (PHESE) circuit is open or shorted.]

(Accelerator pedal position sensor 2 circuit is shorted.)

(Throttle position sensor circuit is shorted.)
Battery current sensor (Battery temperature sensor)
Camshaft position sensor (PHESE)
Accelerator pedal position sensor
Throttle position sensor

P1557

BAT TMP SEN/CIRC

(Battery temperature sensor circuit high input)

Signal voltage from Battery temperature sensor remains 4.84V or more for 5 seconds or more.