NiMH Battery Rescue Charging with the GRX-5100
Quick Training Guide – QT015A
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This Quick Training Guide provides an overview of the components and operation of the High Voltage
Battery Service Unit (GRX-5100) and the HEV Workstation for performing rescue charging of NiMH
batteries in Toyota hybrid vehicles. Prepared only for technicians that are Toyota Hybrid System certified.
CAUTIONS:
• Always wear the appropriate Personal Protective Equipment (PPE) provided in the HEV Workstation
when working with High Voltage.
• Always use the safing procedures detailed in the repair information for the specific hybrid model you
are working with.
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©Toyota Motor Sales, U.S.A., Inc., December 16, 2015