Process For Shutting Down High Voltage System - Mahindra e2o City Quick Reference Manual

15.0 PROCESS FOR SHUTTING DOWN HIGH VOLTAGE SYSTEM

For shutting down the high voltage systems in the vehicle, first evaluate the extent of damage. Turning off
the key switch, isolate battery positive, insulating it will cuts off power supply to other components and
systems.
If the vehicle is damaged heavily, like battery pack damage / deformed, broken, use appropriate PPE's
for battery handling.
Guidelines:
a) Always ensure to wear appropriate PPE's during accessing the vehicle.
b) If the charge cable is connected to the vehicle, remove the same by refering the charge cable
disconnecting procedure (ii) in page .
c) Check for 'key switch' being 'off'
d) Check for 'HVAC' if the remote air conditioning is operational and disable it.
Note: The remote air conditioning system is a feature that can be enabled by the user via telematics by
a 'personal computer' or 'Mobile App'.
Flow chart for easy understanding & shutting down the vehicle high voltage supply.
Evaluate level of damage in the vehicle
Is vehicle have any
damage? (72V system
damaged / cuts / cracks)
Yes
Is the hood is operational
& Open the hood
Is vehicle rear tub can be
accessed & are insulated
tools / PPE's available?
In the event of not able to isolate the high voltage system, use appropriate
'personal protective equipment' and perform the rescue actions.
In the event of not able to do 1,2 & 3 then do the step 4
18
No
Is vehicle 72V system
is active?
No
Yes
No
Yes
No
Turn off the key switch.
Yes
Follow the procedure as
in the next page
STEP 2
Remove the key relays
from the fuse box.
Check fuse box layout
STEP 3
Open & access the rear tub
electronics and isolate 72 volts
system by disconnecting battery
positive and insulating it
STEP 4
STEP 1