Perform a penthouse coolant leak test. See
Penthouse Coolant Leak Test.
Remove the plugs from the hoses.
Connect the rear powertrain supply hose to the RH side of the HV battery,
and the rear drive unit inverter inlet hose to the LH side of the HV battery.
Move the coolant drain to under the
SPECIAL TOOLS
Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A)
Ext Bar, Wobble, 1/4" Dr, HV Insulated (1057603-00-A)
Skt, 1/4" Sq Dr, 13mm, HV Insulated (1057606-00-A)
Resistance meter, microohm, Hioki RM 3548 (1076927-00-A)
Warning: Only technicians who have been trained in High Voltage
Awarenes