battery INFINITI Q50 HYBRID 2014 Dismantling Guide

6-2 Lithium-ion (Li-ion) Battery Pack Removal
6-2.1 Exploded Views
Li-ion Battery Exploded View
: Vehicle front
1. Li-ion battery assembly 2. Bracket (RH) 3. Bracket (LH)
A. View A B. View B
A
B
B
1
A
3
2
AAYIA0228ZZ
DG–42

Li-ion Battery Cooling System Exploded View
, ,: Indicates that the part is connected at points with same symbol in actual vehicle
1. Battery outlet duct C 2. Battery outlet duct B 3. Battery cooling fan
4. Battery outlet duct A 5. Battery inlet duct B 6. Battery inlet duct A
7. Battery front duct 8. DC/DC inlet duct 9. DC/DC outlet duct
3
4
2
1
9
8
5
6
7
AAYIA0227ZZ
DG–44

6-2.2 Removal Procedure1. Discharge high voltage battery. Refer to
3-2.4 Discharge Procedures (DG–18)
2. Remove the service plug. Refer toAlternate Procedure 2 (Remove Service Plug) (DG–27).
3. Lift up seat cushion while pulling the seat cushion hook levers, and then disengage seat cushion hook.
4. Remove seat cushion from vehicle.
5. Remove seat belt from seat belt hook.
6. Remove seatback fixing nuts (A) .
7. Lift up seatback, disengage seatback frame (B) from engaging portion (C) , and then remove seatback.
8. Remove battery inlet duct A and battery front duct. Refer to the Li-ion Battery Cooling System Exploded View in
6-2.1 Exploded Views (DG–42).
AAYIA0257ZZ
A
AAYIA0258ZZ
A
A
A
A
B
C
AAYIA0259ZZ
DG–45

9. Remove the rear seat back finisher (1) , and rear seatback plate (2) .
10. Remove the trunk room finisher, trunk side finisher LH, and trunk side finisher RH. Refer to the Trunk Room Trim Exploded View in
6-2.1 Exploded Views (DG–42).
11. Remove fuse and fusible link box from Li-ion battery according to the following steps. a. Remove the fuse and fusible link box cover toremove harness mounting nuts (A) and (B) .
b. Remove the relay (1) from fuse and fusible link box.
c. Remove the fuse and fusible link box from Li-ion battery, and move to side.
12. Remove the cover of 12V battery positive terminal.
13. Remove the DC/DC harness (1) from 12V battery.
14. Disconnect sub oil pump inverter harness connectors (A)
15. Disconnect positive terminal from 12V battery, and disconnect fusible link harness connector (12V battery
side) (A) .
12
AAYIA0224ZZ
1
B
A
AAYIA0225ZZ
1
A
AAYIA0226ZZ
A
AAYIA0234ZZ
DG–46

16. Remove the ground cable (1) .
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.17. Remove the hybrid control unit (1) and Vehicle Sound for Pedestrians (VSP) control assembly (2) from Li-ion
battery.
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
18. Remove the terminal covers (1) and (2) .
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
19. Remove the terminal cover (1) .
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
1
AAYIA0235ZZ
12
AAYIA0236ZZ
1
2
AAYIA0237ZZ
1
AAYIA0238ZZ
DG–47

23. Disconnect DC/DC harness clamps (A) .
24. Disconnect battery controller harness connector (A) toremove clamps (B) , (C) , and (D) from bracket (LH) .
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
25. Remove battery outlet duct (1) .
: Vehicle front
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.26. Remove the bracket (LH) from Li-ion battery.
27. Remove the DC/DC outlet duct (1) and DC/DC inlet duct (2) .
: Vehicle front
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
A
AAYIA0242ZZ
BC
D
A
AAYIA0248ZZ
1
AAYIA0243ZZ
1
2
AAYIA0244ZZ
DG–49

28. Remove battery outlet duct (1) .
29. Remove the battery inlet duct B (1) and battery inlet ductA (2) .
: Vehicle front
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
30. Remove the gas discharge tube (1) from Li-ion battery.
31. Remove the mounting bolts (A) of Li-ion battery .
: Vehicle front
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
1
AAYIA0222ZZ
2
1
AAYIA0245ZZ
1
-AAYIA0246ZZ
A
-AAYIA0247ZZ
DG–50

32. Remove the mounting bolts (A) of bracket (RH) onvehicle side.
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
33. Place a piece of plywood (A) in the trunk room as shown in the figure. Lift the battery pack in the direction (1) shown by arrow and slide (2) the cardboard (B) to location (C) to position it under
the battery pack.
Touching high voltage components without wearing appropriate Personal Protective
Equipment (PPE) will cause electrocution.
34. Pull out battery pack (1) together with the cardboard (A) in the rear of vehicle.
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
Battery pack is in unstable condition. Never allow it to fall.
A
AAYIA0249ZZ
ABC
BA
2
11
2
AAYIA0250ZZ
A
1
AAYIA0251ZZ
DG–51

35. Follow the procedure below to remove the battery pack from inside the trunk room.a. Attach carabiners (A) of sufficient capacity to hold battery weight, in the positions as shown
in the figure, then connect a belt slinger (B) to it.
Touching high voltage components without wearing appropriate Personal Protective
Equipment (PPE) will cause electrocution.
b. Slightly lift battery pack by using an enginecrane (A) .
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
c. Remove the bracket RH (1) .
ABB
A
AAYIA0252ZZ
A
AAYIA0254ZZ
1
AAYIA0253ZZ
DG–52

d. Lift up the battery pack and remove it from thetrunk room.
• Be careful that the engine crane does not contactthe trunk lid.
• Apply protection so that no scratches or other damage occurs on the vehicle body or trunk lid.
36. Move battery pack to the workbench and place it with the upper battery cover up.
To avoid battery pack damage, gently lower battery pack when setting it on its side.
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.
AAYIA0220ZZ
AAYIA0255ZZ
DG–53