2018 INFINITI Q50 HYBRID key battery

Powering Down the High-voltage System
The
high-voltage system can be shut down with any 1 of the following procedures:• Turn OFF the power switch and disconnect the 12-volt battery. Refer to Primary Procedure
(FRG–22) .
•

Disconnect the underhood fuse panel terminal connector for the high-voltage control system and
disconnect the 12-volt battery. Refer to Alternate Procedure 1 (Disconnect Underhood Fuse Panel)
(FRG–25) .
•

Remove the service plug and disconnect the 12-volt battery. Refer to Alternate Procedure 2
(Remove

Service Plug) (FRG–28) .
Primary

Procedure
NOTE:
Before disconnecting the 12-volt battery terminal, if necessary, lower the windows, adjust
the steering column, adjust the seats, unlock the doors, etc. Once 12-volt battery is
disconnected, power controls will not operate.
1. If possible, check the READY indicator status in the instrument cluster. If it is on, the high-
voltage

system is active.
2. Place the shift selector in the Park (P) position.
3. Push the ignition switch once to turn OFF the high- voltage system. Verify that the READY indicator is off
and then continue to the next steps to open the trunk
for 12-volt battery negative cable access.
If the READY indicator does not turn off, refer to
Alternate Procedure 1 (Disconnect Underhood Fuse
Panel)
(FRG–25)
4. If possible, keep the Infiniti Intelligent Key at least 5
meters (16 feet) away from the vehicle (except to open
the trunk as noted below) . AAYIA0191ZZ
LOCK
ACC
(OFF)
ON
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FRG–22

b. trunk button on the Infiniti Intelligent Key
[press for longer than one (1) second].
c. trunk open request switch (located above license plate)*.
* You must have the Infiniti Intelligent Key within
approximately 1 meter (3 feet) range of trunk
request switch to use the trunk open
request switch function.
NOTE:
If the electrical release does not work, the
trunk will have to be forced open.
8. Open the 12-volt battery service access cover.
9. Disconnect negative (-) battery cable and cover it with insulated tape.
10. Wait approximately ten (10) minutes for complete discharge of the high-voltage capacitor
after the fuse panel and battery cable have been disconnected.
11. Perform the first response action. AAYIA0068ZZ
AAYIA0194ZZ
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FRG–27

c. trunk open request switch (located above
license plate)*.
* You must have the Infiniti Intelligent Key within
approximately 1 meter (3 feet) range of trunk
request switch to use the trunk open
request switch function.
NOTE:
If the electrical release does not work, the
trunk will have to be forced open.
6. Open the 12-volt battery service access cover.
7. Disconnect negative (-) battery cable and cover it with insulated tape.
8. Open service plug access cover. AAYIA0194ZZ
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FRG–30