2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 70
Without CONSULT-III
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK - Check the condition of harness and connector. If it is
OK, check the self-diagnosis results using CONSULT-III again.
NG - Check Intelligent Key unit power supply circuit for open or short.
B2554
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
B2554 ACC POWER CIRCUIT
DIAGNOSIS DESCRIPTION
B2554 ACC power supply circuit monitors the following 2 signals.
- Though the power supply switching control to ACC position by push-button ignition switch operation is performed normally, if there is no
ACC power supply input to the Intelligent Key unit, it judges that it is the malfunction and displays the DTC (Diagnostic Trouble Code)
- When performing the power supply switching control to ACC position by push-button ignition switch operation, if the power supply position
switching cannot be performed because the wake-up signal is not entered into PDU (Power Distribution Unit), it judges that it is the
malfunction and displays the DTC (Diagnostic Trouble Code)
TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT
CONSULT-III DATA MONITOR STANDARD VALUE