Disconnect the battery negative terminal.
Disconnect the connector (A) and then remove the DC/DC converter (B).
Tightening torque :
16.7 ~ 25.5Nm (1.7 ~ 2.6kgf.m, 12.3 ~ 18.8lb-ft)
Installation is reverse order of removal.
After disconnecting then reconnecting the battery negative cable, the ISG function dose not operates until the system is stabilized, about 4 hours.