Lexus ES: Hybrid system
Lexus ES (XZ10) Owner's Manual / For safety and security / Hybrid system
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Hybrid system features
Your vehicle is a hybrid vehicle. It has characteristics different from
conventional
vehicles. Be sure you are closely familiar with the characteristics of your
vehicle, and operate it with care.
Hybrid system precautions
Take care when handling the hybrid system, as it is a high voltage
system (about
650 V at maximum) as well as contains parts that become extremely hot when
the hybrid system is operating. Obey the
Theft deterrent system
Immobilizer system
The vehicle's keys have built-in transponder
chips that prevent the
hybrid system from starting if a key
has not been previously registered
in the vehicle's on-board computer.
SEE MORE:
Noise Occurs from V-ribbed Belt or Generator Assembly
PROCEDURE 1. CONFIRM PROBLEM SYMPTOM (a) Confirm the problem symptom. Symptom Proceed to Noise occurs from V-ribbed belt. A Noise occurs from generator assembly. B B GO TO STEP 6
A 2. CHECK V-RIBBED BELT FOR WEAR (a) Check the V-ribbe
ECM Power Source Circuit
DESCRIPTION When the power switch is turned to on (IG), the auxiliary battery voltage is applied to IGSW of the ECM. When the transistor in the MREL circuit operates, current flows from the auxiliary battery to ground through the drive circuit of the EFI-MAIN NO. 1 relay, thus operating the relay wh
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