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46 VOLT SYSTEM
Assist Motor
46 Volt Electric Power Steering System
Rear Active
Stabiliser Motor
Rear Active
Stabiliser Control
ECU
Optional 46 Volt Active Stabiliser
Suspension System
The LS 600hL is equipped with a 46 Volt electrical
Electric Power
system that powers the Electric Power Steering
Steering ECU
(EPS) assist motor in the engine compartment and
the optional Active Stabiliser Suspension System
motors for the front and rear stabiliser bars.
Front Active
Stabiliser
NOTE:
Control ECU
46 Volts has a higher arc potential than 12 Volts.
Front Active
Stabiliser
Motor
– 10 –
• 46 Volt electrical system wires are bundled in
dull yellow sheathing for identification.
• The 46 Volt electrical system does not contain
a storage battery. It is powered by converting
high voltage battery power. The wires are
routed underneath the vehicle from the HV
battery pack DC-DC converter.
• If the HV battery pack malfunctions, backup
power is provided to the EPS motor by
boosting the 12 Volt electrical system.
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