Precautions For Removing Battery Terminal: Notes

WARNING: This page is about a different car, the 2015 Infiniti Q70. However, it is still accessible from the selected car via links, so may be relevant.

When removing the 12V battery terminal, turn OFF the ignition switch and wait at least 5 minutes.

Fig 1: Disconnecting Negative Battery Terminal
Courtesy of NISSAN NORTH AMERICA, INC.

NOTE:
ECU may be active for several minutes after the ignition switch is turned OFF. If the battery terminal is removed before ECU stops, then a DTC detection error or ECU data corruption may occur.
Disconnect 12V battery terminal according to the following steps.