22
Verifying That There Is No Voltage
Before reconnecting the high-voltage bus cables
after repairing and inspecting the vehicle
Before reconnecting the high-voltage bus cables, verify that there is no
voltage on the traction battery or inverter side. The table lists example
measurement locations.
Since the inverter side of the bus includes diodes, switch the DT4261’s
polarity when performing the test.
For more information about how to use the DT4261, see the DT4261’s
Instruction Manual.
Testing locations
(example)
DT4261 terminal (+) DT4261 terminal (−)
Traction battery side High-voltage bus cable
positive electrode (+)
Chassis ground (GND)
High-voltage bus cable
negative electrode (−)
Chassis ground (GND)
Inverter side High-voltage bus cable
positive electrode (+)
Chassis ground (GND)
High-voltage bus cable
negative electrode (−)
Chassis ground (GND)
Chassis ground (GND) High-voltage bus cable
positive electrode (+)
Chassis ground (GND) High-voltage bus cable
negative electrode (−)
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