Diagnosis Description
WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
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)