L-SB-0085-14

L-S B-0085-1 4
©· FXl.15
October 27, 2014
Technical Service Information Bulletin
Hybrid System Electrical Safety Precautions
Service
Category
General
Lexus Supports
Section
Pre-Delivery Service
Market
USA
ASE Certification
~
W
Applicability
YEAR(S)
MODE L(S)
2015
GS450H
ADDITIONAL INFORMATION
Introduction
This bulletin provides general high-voltage safety precautions for the hybrid system . The hybrid
system circuits operate with up to 650 volts . These high voltages are dangerous and can cause
severe persona l injuries, burns, and electrical shock if proper safety precautions are NOT followed .
Be sure to carefully review all applicable Repair Manual procedures BEFORE performing service.
As a policy, and to ensure safety, no Lexus dealership technician is qualified to service or repa ir
hybrid vehicles until Lexus course L071 has been successfully completed .
CAUTION
Wh en servicing th e h igh-volt age sy st em on the 2015 GS 450h, w ait AT LEAST 1O minutes after
d isconnect ing th e service p lug BEFORE touching any of the hig h-voltage connect ors or t erm in als .
© 2014 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 4
L-SB-0085-14
Octobe r 27, 2014
Pag e 2 of 4
Hybrid System Electrical Safety Precautions
Introduction (Continued)
Figure 1
1
Inverter Assembly: B oost Converter, Invert er, MG
ECU
2
Hybrid Transmission: MG1, MG2
3
Power Cable
4
HV Battery Modu le: DC/DC Converter, Battery
Smart Unit, SM R
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
NIA
Not Applicable to Warranty
-
-
-
-
Required Tools & Equ ipment
SPECIAL SERVICE TOOLS (SST'S)
PART NUMBER
QTY
Electrical Insulating Gloves
00002-03100-S (Small)
00002-03200-M {Medium}
00002-03300-L (Large}
1 pair
• Essential SST
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
CAUTI ON
Always inspect Electrical Insulation Gloves before use for cracks, ruptures, tears, pinholes, or
damage . Do NOT wear if damaged.
© 2014 Lexus, a division of Toyota Motor Sales, USA
L-SB-0085-14
October 27, 2014
Page 3 of 4
Hybrid System Electrical Safety Precautions
Electrica l Safety Precautions
CAUTION
HYBRID HIGH-VOLTAGE SAFETY NOTICE
A Lexus gas/electric hybrid vehicle has high-voltage DC and AC systems. Both DC and AC
high-voltage are very dangerous and can cause personal injury, severe burns, electric shock,
and even fatal injury.
Regular Service and Repairs (Pre-Delivery Service [PDS], and Non-High-Voltage Maintenan ce
and Service)
Ensure that all persons performing PDS or non-high-voltage maintenance and service:
1. Follow all Caution labels attached to high-voltage parts.
2. Do NOT touch or attempt to remove or replace any high-voltage (orange-colored) wiring and
connectors.
3. Do NOT touch the orange service plug .
4. Read , understand , and follow the safety procedures in the Pre-Delivery Service Manual, Repa ir
Manual , and all applicable Technical Service Information Bulletins for the vehicle.
High-Voltage Repairs
Ensure that all technicians performing repairs to high-voltage systems:
1. Complete the hybrid training course L071 provided at the Lexus Area office.
2. Read , understand, and follow the safety procedures in the Repair Manual and all applicable
Technical Service Information Bulletins for the vehicle.
3. Use high-voltage gloves and safety glasses whenever servicing high-voltage systems .
4. After disconnecting the service plug, wait AT LEAST 10 minutes BEFORE touching any of
the high-voltage connectors or terminals.
5. Are responsible for managing the safety of any hybrid vehicle or parts they are working on .
6. Maintain a " safety zone" around their work, including using yellow caution tape and " DO NOT
TOUCH - HIGH-VOLTAGE" signs when high-voltage system repairs are to be left unattended .
© 2014 Lexus. a d1vis1on of Toyota Motor Sales USA
L-SB-0085-14
October 27, 2014
Page 4 of 4
Hybrid System Electrical Safety Precautions
Electrical Safety Precautions (Continued )
CAUTION
HYBRID HIGH-VOLTAGE SAFETY NOTICE (Continued)
In the Event the Hybrid Vehicle is Involved in an A cc ident
1. Do NOT touch any high-voltage wiring , connect o rs, or parts, such as the inverter or the
hybrid battery assembly.
2. Do NOT tou c h the potassium hydroxide electrolyte th at might s pill or leak from the hybrid
battery as the result of an accident. If potassium hydroxide electrolyte gets on your skin or
in your eyes, neutral ize it IMMEDIATELY with a saturated boric acid solution (ratio: 80 grams
boric ac id to 2 liters water or alternatively, flush repeatedly with large amounts of water).
SEEK IMMEDIATE MEDICAL ATTENTION .
3. If a v ehicle fire occurs, water has been proven to be a suitable extinguishing agent.
4. See th e Emergency Response Guide on the Lexus Technical Information System (TIS) or
Dealer Daily for more information.
If you have any questions, contact your District Service and Parts Manager.
For additional Caution notices, download the PD F fi les from Dealer Daily, Lexus Custome r Services
website, Forms , and print on a color printe r.
© 2014 Lexus. a d1v1sion of Toyota Motor Sales USA