2014 INFINITI Q70 HYBRID trunk

6-2 Lithium-ion (Li-ion) Battery Pack Removal
6-2.1
Exploded View
1. Battery inlet duct A 2. Li-ion battery assembly 3. DC/DC converter outlet duct
4. Battery outlet duct B 5. Battery outlet duct A6. Battery inlet duct B
7. Battery cooling fan 8. DC/DC converter inlet duct
6-2.2 Removal Procedure 1. Remove the service plug. Refer to Alternate Procedure 2 (Remove Service Plug) (DG–25)
.
2.

Insert an appropriate tool into the gap between the trunk lamp case and front trunk trim panel to
remove the trunk lamp case.
3. Disconnect the trunk lamp harness connector.
4. Remove the trunk lid weather strip.
5. Remove the front trunk trim retainer clips. AAYIA0036ZZ
DG–40

6. Remove the front trunk trim panel (1) and remove the trunk floor trim panel (2) .
7.
Remove the battery inlet duct A (1) , DC/DC converter outlet duct (2) and battery outlet duct B
(3) .
8. Remove the DC/DC harness (1) , the 12V battery vent tube (2) and the high voltage harness clip (A) . Grip the tip of the tube to remove the 12V battery vent
tube. AAYIA0070ZZ
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JSCIA0011ZZ
DG–41

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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AAYIA0043ZZ
DG–44

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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JSCIA0020ZZ
DG–47

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
JSCIA0284ZZ
DG–48

• 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
AAYIA0048ZZ
AAYIA0049ZZ
DG–49