trunk INFINITI Q70 HYBRID 2017 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
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–26).
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.
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DG–41

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) .
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.
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DG–42

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.
17. Remove the mounting nut (A) and then disconnect the harness from the fuse box on the left side of the trunkroom.
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DG–44

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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DG–48

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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DG–49

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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DG–50