battery INFINITI Q70 HYBRID 2015 Dismantling Guide

6-2 High Voltage Battery Pack Removal
6-2.1 Exploded View1. Battery inlet duct A 2. High Voltage battery assembly 3. DC/DC converter outlet duct
4. Battery outlet duct B 5. Battery outlet duct A 6. Battery inlet duct B
7. Battery cooling fan 8. DC/DC converter inlet duct
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6-2.2 Removal Procedure1. 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–25).
3. Insert an appropriate tool into the gap between the trunk lamp case and front trunk trim panel to remove the trunk lamp case.
4. Disconnect the trunk lamp harness connector.
5. Remove the trunk lid weather strip.
6. Remove the front trunk trim retainer clips.
7. Remove the front trunk trim panel (1) and remove the trunk floor trim panel (2) . 8.
Remove the battery inlet duct A (1) , DC/DC converter outlet duct (2) and battery outlet duct B (3) .
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9.Remove the DC/DC harness (1) , the 12-volt battery vent
tube (2) and the high voltage harness clip (A) .
Grip the tip of the tube to remove the 12-volt battery
vent tube.
10. Remove cover on 12-volt battery positive terminal.
11. Remove the mounting bolts (A) and then remove the 12-volt battery cover (1) .
12.
Remove 12-volt 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.
13.
Remove the terminal cover bolts (A) and nut (B) , then
remove the terminal cover (1) .
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
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14. Disconnect the high voltage harness connectors (A) .Touching high voltage components without wearing
appropriate personal protective equipment (PPE) will
cause electrocution.
DANGER
•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 notexposed.
•
Immediately protect the terminals of the
disconnected battery junction box using
insulated tape so that they are not exposed.
15.
Grasp the rubber base of the gas discharge tube (1) and
remove from the vehicle-side discharge port (body
member) .
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
16.
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.
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
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20. Disconnect the fusible link connectors (2) that areintegrated with the 12-volt positive battery cable (1) .
21. Disconnect the atmospheric pressure sensor harness connector (A) .
22. Disconnect the high voltage battery cooling fan motor harness connector.
23. Release the two rear seat cushion retainers.
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A
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DG–45

26. Disconnect the HPCM harness connectors (1) , and remove the HPCM mounting bolts, nuts andthen the HPCM (2) .
27. Remove the high voltage battery pack mounting bolts (A) from the passenger compartment side.
: Vehicle front
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
NOTE:
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.
28. Remove the high voltage battery pack mounting bolts (A) from the trunk side.
: Vehicle front
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
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29. Place a plywood panel (A) on top of the spare tire, thenlift the high voltage battery pack upwards (1) and slide a
cardboard panel (B) underneath it (2) .
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
30. Pull the cardboard (A) together with the high voltage battery pack (1) toward the rear of the vehicle.
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
31. Follow the procedure below to remove the high voltage battery pack from the trunk room.
DANGER
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.
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b. Using an engine crane (A) to lift up the high voltage battery pack (1) 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.
32. Remove the DC/DC outlet duct, battery outlet duct B, and battery inlet duct A.
33. Remove the DC/DC inlet duct. Clip (A) is not visible because it is located on the reverse side of the DC/DC
inlet duct (1) . Remove as shown in the figure.
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
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34. Remove the battery cooling fan mounting bolts (A) andremove the battery cooling fan (1) .
DANGER
Touching high voltage components without wearing
appropriate Personal Protective Equipment (PPE) will
cause electrocution.
35. Confirm that the insulated tape is still securely in place on the high voltage battery pack as shown in the figure.
: Insulated tape
36. 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 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.
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