battery INFINITI Q70 HYBRID 2014 Dismantling Guide

9. Remove the mounting bolts (A) and then remove the 12V
battery cover (1) .
10. Disconnect the fusible link connectors (2) that are integrated with the 12V positive battery cable (1) .
11. Remove 12V battery by removing the negative battery cable (1) , positive battery cable (2) and frame (3) . To prevent damage to the parts:
a)

Disconnect the negative battery cable first
b) Immediately cover the battery cables with insulated
tape.
12. Remove the terminal cover bolts (A) and nut (B) , then remove the terminal cover (1) . Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. AAYIA0072ZZ
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13. Disconnect the high voltage harness connectors (A) .
T ouching high voltage components without wearing
appropriate personal protective equipment (PPE) will
cause electrocution. • Touching high voltage components without
wearing
appropriate Personal Protective
Equipment (PPE) will cause electrocution.
• Immediately cover the terminals of the
disconnected
high voltage harness connectors
using insulated tape so that they are not
exposed.
• Immediately protect the terminals of the
disconnected
battery junction box using
insulated tape so that they are not exposed.
14. Grasp the rubber base of the gas discharge tube (1) and remove from the vehicle-side discharge port (body
member) . Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
15. Hook approximately 15mm (A) from the end of the gas discharge tube (1) onto the tube base on the battery and
check that the flange on the end of the tube does not
come off from the tube base. Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. JSCIA0014ZZ
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16. Remove the mounting nut (A) and then disconnect the
harness from the fuse box on the left side of the trunk
room.
17. Disconnect the brake power supply backup unit harness connector (A) and remove the ground cable mounting
bolts (B) . : Vehicle front
18.

Disconnect the high voltage harness connector (A) and
harness connector (B) . : Vehicle front
Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. Immediately protect the terminals of the disconnected
high

voltage harness connector socket using insulated
tape so that they are not exposed.
19. Disconnect the Li-ion battery cooling fan motor harness connector. JSCIA0279ZZ
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22. Remove the 4 clips ( ) and the HPCM cover (1) .
23.
Disconnect the HPCM harness connectors (1) , and remove the HPCM mounting bolts, nuts and
then the HPCM (2) .
24. Remove the high voltage battery pack mounting bolts (A) from the passenger compartment side. : Vehicle front
NO

TE:
It is possible to access the mounting bolts (1)
when the noise insulation sheet that is attached
to the body panel behind the rear seat back is
removed. Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. AAYIA0076ZZ
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25. Remove the high voltage battery pack mounting bolts (A)
from the trunk side. : Vehicle front
Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
26. Place a plywood panel (A) on top of the spare tire, then lift the high voltage battery pack upwards (1) and slide a
cardboard panel (B) underneath it (2) . Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
27. Pull the cardboard (A) together with the high voltage battery pack (1) toward the rear of the vehicle. Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. JSCIA0018ZZ
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28. Follow the procedure below to remove the high voltage battery pack from the trunk room.
Touching high voltage components without wearing appropriate Personal Protective
Equipment
(PPE) will cause electrocution.
a. Attach carabiners (A) in the positions as shown in the figure, and then connect a slinger (B) to them.
b. Using an engine crane (A) to lift up the high voltage battery pack (1) and remove it from the trunk room. JSCIA0021ZZ
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• Be careful that the engine crane does not contact
the trunk lid.
• Apply protection so that no scratches or other damage occurs on the vehicle body or trunk lid.
29. Remove the DC/DC converter inlet duct clips (A) and then the DC/DC converter inlet duct (1) . Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
30. Remove the battery cooling fan mounting bolts (A) and remove the battery cooling fan (1) . Touching high voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. JSCIA0282ZZ
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31. Confirm that the insulated tape is still securely in place on the high voltage battery pack as shown
in the figure. : Insulated tape
32.

Dismantling the remainder of the Q70 HYBRID may be performed like conventional Infiniti
vehicles once the high voltage system is properly shut down and discharged.
6-3 Li-ion Battery Recycling
The high voltage battery is recyclable. For information regarding recycling of the high voltage battery,
contact the nearest INFINITI retailer or Infiniti Consumer Affairs at: United States: 1-800-662-6200 or in
Canada: 1-800-361-4792. AAYIA0077ZZ
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