2017 INFINITI Q50 HYBRID battery

6-2.2 Removal Procedure
1. Discharge high-voltage battery. Refer to 3-3 Discharge Procedures (DG–18)
2. Remove the service plug. Refer to Alternate 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 high-voltage Battery Cooling System Exploded View in 6-2.1 Exploded View (DG–43). AAYIA0257ZZ
A
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A
A
A
A
B
C
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DG–46

9. Remove the rear seat back finisher (1) , and rear seat
back 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 View (DG–43).
11.

Remove fuse and fusible link box from high-voltage battery according to the following steps. a. Remove the fuse and fusible link box cover to remove 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 high- voltage battery, and move to side.
12. Remove the cover of 12-volt battery positive terminal.
13. Remove the DC/DC harness (1) from 12-volt battery.
14.
Disconnect sub oil pump inverter harness connectors (A)
15. Disconnect positive terminal from 12-volt battery, and disconnect fusible link harness connector (12-volt
battery side) (A) . 12
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B A
AAYIA0225ZZ 1
A
AAYIA0226ZZ A
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DG–47

16. Remove the ground cable (1) .
DANGER
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 high-
voltage battery. DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
18. Remove the terminal covers (1) and (2) . DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
19. Remove the terminal cover (1) . DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. 1
AAYIA0235ZZ 1
2
AAYIA0236ZZ 1 2
AAYIA0237ZZ 1
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DG–48

23. Disconnect DC/DC harness clamps (A) .
24.
Disconnect battery controller harness connector (A) to
remove clamps (B) , (C) , and (D) from bracket (LH) . DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
25. Remove battery outlet duct (1) . : Vehicle front
DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
26. Remove the bracket (LH) from high-voltage battery.
27. Remove the DC/DC outlet duct (1) and DC/DC inlet duct (2) . : Vehicle front
DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. A
AAYIA0242ZZ B
C
D
A
AAYIA0248ZZ 1
AAYIA0243ZZ 12
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DG–50

28. Remove battery outlet duct (1) .
29.
Remove the battery inlet duct B (1) and battery inlet
duct A (2) . : Vehicle front
DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
30. Remove the gas discharge tube (1) from high-voltage battery.
31. Remove the mounting bolts (A) of high-voltage battery. : Vehicle front
DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution. 1
AAYIA0222ZZ 2 1
AAYIA0245ZZ 1
-AAYIA0246ZZ A
-AAYIA0247ZZ
DG–51

32. Remove the mounting bolts (A) of bracket (RH) on
vehicle side. DANGER
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. DANGER
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. DANGER
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 AB
C B
A
211
2
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DG–52

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. DANGER
Touching high-voltage components without wearing appropriate Personal Protective
Equipment

(PPE) will cause electrocution.
b. Slightly lift battery pack by using an engine crane (A) . DANGER
Touching high-voltage components without wearing
appropriate

Personal Protective Equipment (PPE) will
cause electrocution.
c. Remove the bracket RH (1) . A B
B
A
AAYIA0252ZZ
A
AAYIA0254ZZ 1
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DG–53

d. Lift up the battery pack and remove it from the
trunk room. • 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.
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
High-voltage 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
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DG–54