2009 INFINITI QX56 instrument panel

AV-172
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
CENTER SPEAKER
CENTER SPEAKER
Removal and InstallationINFOID:0000000003776905
REMOVAL
CAUTION:
Use a suitable tool to prevent
damage to the center speaker grille and the instrument panel.
1. Using a suitable tool, remove the center speaker grille finisher (1).
2. Disconnect the center speaker connector (A).
3. Remove the center speaker screws (B).
4. Remove the center speaker (2).
INSTALLATION
Installation is in the reverse order of removal.
ALNIA0275ZZ
Revision: December 20092009 QX56

BCS-6
< FUNCTION DIAGNOSIS >[BCM]
BODY CONTROL SYSTEM
Component Parts Location
INFOID:0000000003776378
 BCM M18, M19, M20 (view wit h instrument panel removed)
LEIA0068E
Revision: December 20092009 QX56

BRAKE PEDALBR-19
< ON-VEHICLE REPAIR >
C
DE
G H
I
J
K L
M A
B
BR
N
O P
ON-VEHICLE REPAIR
BRAKE PEDAL
Removal and InstallationINFOID:0000000004042331
REMOVAL
CAUTION:
• Before removal and installation, the accelerator and brake pedals must be in the forward most posi-
tion (closest to the floor). This is to align th e base position of the accelerator and brake pedals.
• Do not disassemble the brake pedal adjusting mechanism.
• Avoid damage from dropping the brake pedal assembly during handling.
• Keep the brake pedal assembly away from water.
1. Remove the lower instrument panel LH. Refer to IP-17, "
Removal and Installation".
2. Remove the stop lamp switch and ASCD cancel switch from the pedal assembly.
1. Brake pedal assembly 2. Snap pin3. Clip
4. Stop lamp switch 5. Pedal pad6. Clevis pin
7. ASCD cancel switch
WFIA0232E
Revision: December 20092009 QX56

BR-26
< ON-VEHICLE REPAIR >
BRAKE BOOSTER
BRAKE BOOSTER
Removal and InstallationINFOID:0000000005890851
CAUTION:
• Be careful not to deform or bend brake piping while removing and installing brake booster.
• Replace clevis pin if it is damaged.
• Be careful not to damage brake booster stud bolt threads. If brake booster is tilted or inclined during
installation, dash panel may damage the threads.
• Attach the check valve in the correct direction.
REMOVAL
1. Remove air duct and resonator assembly. Refer to EM-25, "Removal and Installation".
2. Remove cowl top extension. Refer to EXT-18, "
Removal and Installation".
3. Remove master cylinder assembly from brake booster. Refer to BR-25, "
Removal and Installation".
4. Remove vacuum hose from brake booster. Refer to BR-28, "
Removal and Installation".
5. Disconnect active booster harness connector and delta stroke sensor harness connectors from brake booster.
6. Remove the instrument lower panel LH. Refer to IP-12, "
Exploded View".
7. Remove brake pedal to clevis attachment snap pin and clevis pin from inside the vehicle.
8. Remove brake booster to brake pedal assembly nuts.
9. Reposition the A/C line out of the way.
10. Remove brake booster and spacer block from dash panel.
INSPECTION AFTER REMOVAL
Output Rod Length Inspection
1. Reservoir tank 2. Master cylinder assembly3. Gasket
4. Brake pedal 5. Lock nut 6. Spacer block
7. Brake booster 8. Active booster harness connector 9. Delta stroke sensor
AWFIA0416GB
Revision: December 20092009 QX56

BRAKE BOOSTERBR-27
< ON-VEHICLE REPAIR >
C
DE
G H
I
J
K L
M A
B
BR
N
O P
1. Using a hand vacuum pump, apply a vacuum of – 66.7 kPa (– 500 mmHg, –19.69 inHg) to brake booster.
2. Check output rod length.
INSTALLATION
1. Loosen lock nut to adjust input r od length so that the length (B)
is set at the specified value.
2. After adjusting length (B), temporarily tighten lock nut and install brake booster and spacer block.
• Install the gaskets and spacer block between brake boosterand dash panel.
3. Connect brake pedal to clevis on the input rod.
4. Install brake booster to brake pedal assembly nuts and tighten to the specified torque.
5. Connect active booster harness connector and delta st roke sensor harness connectors to brake booster.
6. Connect vacuum hose to brake booster.
7. Install master cylinder assembly to brake booster. Refer to BR-25, "
Removal and Installation".
8. Adjust the height and play of brake pedal. Refer to BR-15, "
Inspection and Adjustment".
9. Tighten lock nut of input rod to specification.
10. Install the instrument lower panel LH. Refer to IP-12, "
Exploded View".
11. Secure A/C line into clips.
12. Install cowl top extension. Refer to EXT-18, "
Removal and Installation".
13. Install air duct and resonator assembly. Refer to EM-25, "
Removal and Installation".
14. Refill with new brake fluid and bleed air. Refer to BR-17, "
Bleeding Brake System".
Output rod length : Refer to
BR-46, "
Brake
Booster".
SBR208E
Input rod length (B) : Refer to BR-46, "Brake
Booster".
WFIA0382E
Revision: December 20092009 QX56

DOOR LOCK FUNCTIONDLK-15
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
DOOR LOCK AND UNLOCK SWITCH : Component Parts LocationINFOID:0000000003775677
DOOR LOCK AND UNLOCK SWITCH : Component DescriptionINFOID:0000000003775678
1. Key switch and ignition knob switch M12 2. BCM M18, M19, M20 (view with instrument panel removed)3. Front door lock assembly LH (key
cylinder switch) D14
Front door lock actuator RH D114
4. Main power window and door lock/un- lock switch D7, D8 5. Front door switch
LH B8
RH B108 6. Rear door switch
LH B18
RH B116
7. Power window and door lock/unlock switch RH D105 8. Back door latch (door ajar switch)
D503 9. Rear door lock actuator
LH D205
RH D305
10. Passenger select unlock relay M7 (view with instrument panel LH removed) 11. Glass hatch lock actuator D711 12. Back door and glass hatch switch
assembly (glass hatch switch) D706
ALKIA0964ZZ
Item Function
BCM Controls the door lock function and room lamp function.
Door lock and unlock switch Transmits lock or unlock signal to BCM.
Door lock actuator Receives lock/unlock signal from BCM and locks/unlocks each door.
Revision: December 20092009 QX56

DLK-20
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
DOOR LOCK FUNCTION
ALKIA0579ZZ
1. Horn E3
(view with hood open) 2. IPDM E/R E122, E124
(view with cover removed) 3. Horn relay H-1
4. Remote keyless entry receiver M25 (view with instrume nt panel RH removed) 5. Intelligent key warning buzzer E25 6. Combination meter M23, M24
7. Intelligent Key unit M70 (view with instrument panel LH removed) 8. BCM M18, M19, M20
(view with instrument panel LH removed) 9. Steering lock solenoid M15
(view with steering column removed)
10. Key switch and ignition knob switch M12 11. A/T shift selector (park position switch) M203
(view with center console removed)12. Inside key antenna 3 (front of center
console) M210
(view with center console removed)
13. Inside key antenna 1 (rear of center con- sole) M209 14. Inside key antenna 4 (overhead console
area) R210
(view with overhead console removed) 15. Inside key antenna 2 (luggage com-
partment) B76
(view with rear carpet removed)
16. Rear bumper antenna C7 (view with rear bumper removed) 17. Back door latch D503
18. Front outside antenna LH D15
Front outside antenna RH D115
19. Front door request switch LH D16 Front door request switch RH D116 20. Front door lock assembly LH (door un-
lock sensor) D14 21. Front door switch LH B8
RH B108
22. Rear door switch LH B18 RH B116
Revision: December 20092009 QX56

DOOR LOCK FUNCTIONDLK-25
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
INTELLIGENT KEY : Co mponent DescriptionINFOID:0000000003775686
ALKIA0579ZZ
1. Horn E3
(view with hood open) 2. IPDM E/R E122, E124
(view with co ver removed) 3. Horn relay H-1
4. Remote keyless entry receiver M25 (view with instrume nt panel RH removed) 5. Intelligent key warning buzzer E25 6. Combination meter M23, M24
7. Intelligent Key unit M70 (view with instrument panel LH removed) 8. BCM M18, M19, M20
(view with instrument panel LH removed) 9. Steering lock solenoid M15
(view with steering column removed)
10. Key switch and ignition knob switch M12 11. A/T shift selector (park position switch) M203
(view with center console removed)12. Inside key antenna 3 (front of center
console) M210
(view with center console removed)
13. Inside key antenna 1 (rear of center con- sole) M209 14. Inside key antenna 4 (overhead console
area) R210
(view with overhead console removed) 15. Inside key antenna 2 (luggage com-
partment) B76
(view with rear carpet removed)
16. Rear bumper antenna C7 (view with rear bumper removed) 17. Back door latch D503
18. Front outside antenna LH D15
Front outside antenna RH D115
19. Front door request switch LH D16 Front door request switch RH D116 20. Front door lock assembly LH (door un-
lock sensor) D14 21. Front door switch LH B8
RH B108
22. Rear door switch LH B18 RH B116
Revision: December 20092009 QX56