RX 400h AWD V6-3.3L (3MZ-FE) Hybrid (2007)
Auxiliary Battery, Hybrid Drive: Technical Service Bulletins
Hybrid System - HV/Auxiliary Battery Maintenance
PRE-DELIVERY SERVICE
PD062-06
Title:
MAINTENANCE FOR HV &
AUXILIARY BATTERIES
Models:
'07 RX 400h
August 18, 2006
Introduction
The RX 400h is equipped with 2 types of batteries:
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Hybrid Vehicle (HV) battery
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12-volt auxiliary battery
If the RX 400h is put into storage, the state of charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary
battery from becoming discharged during storage, proper maintenance is necessary.
Please perform the following maintenance service for the HV battery and 12-volt auxiliary battery.
NOTE:
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After the auxiliary battery terminals have been reconnected, the power back door, power windows, and sliding roof must be initialized.
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Before disconnecting the auxiliary battery, confirm the shift lever is in the "P" position and apply the parking brake completely. The shift lever
cannot be shifted from the "P" position with the 12-volt auxiliary battery disconnected.
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If the auxiliary battery is disconnected when the back door is closed, the door will lock. To unlock the door, use the security opener on the inside
of the back door. For details, refer to the Owner's Manual.
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If the negative (-) terminal of the auxiliary battery is reconnected, even if the ignition switch is turned to the "START" position, the hybrid system
may NOT start. In this case, turn the key to "START" again to start the hybrid system (the "READY" light is ON). If the hybrid system still does
NOT start (the "READY" light is OFF), refer to the Repair Manual.
Maintenance Items
Applicable Vehicles
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2007 model year RX 400h vehicles.