FixVault

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P1557

BAT TMP SEN/CIRC

(Battery temperature sensor circuit high input)

Diagnosis condition

Engine running at idle

Signal (terminal)

Battery temperature sensor signal

Threshold

A signal voltage from battery temperature sensor remains 4.84 V or more

Diagnosis delay time

5 seconds or more