Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
Auxiliary Battery, Hybrid Drive: Technical Service Bulletins
Hybrid Systems - HV & Auxiliary Battery Maintenance
T-SB-0152-09
Rev1
April 30, 2009
Maintenance for HV & Auxiliary Batteries
Service Category
General
Section
Pre-Delivery Service
Market
USA
Applicability
TSB REVISION NOTICE
July 2, 2009 Rev1:
^ Table in the Maintenance Items section has been updated. "To Store for 10 Days or More" and "After Storage Period is Over" conditions have been
removed.
^ Figure 6 has been updated.
Any previous printed versions of this service bulletin should be discarded.
Introduction
The 2010 model year Prius hybrid vehicle is equipped with 2 types of special batteries the HV (Hybrid Vehicle) battery and the 12-volt auxiliary battery.
If the hybrid vehicle is put into storage the state of charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the battery
from becoming discharged during storage proper maintenance is necessary.
Perform the following maintenance service for the HV battery and 12-volt auxiliary battery.
Maintenance Items
Warranty Information