INFINITI QX4 2005 Factory Service Manual

DI-68
REAR SONAR SYSTEM
Revision: October 20052005 QX56
Component InspectionEKS00BDB
SONAR BUZZER
1. Disconnect the sonar buzzer connector.
2. Check continuity between buzzer connector M117 terminal (+)
and terminal (-)
REAR SONAR SYSTEM OFF SWITCH
Disconnect the rear sonar system OFF switch connector M116.
Check continuity between the following terminals.
REAR SONAR SYSTEM OFF INDICATOR
Disconnect the rear sonar system OFF switch connector M116, and
apply battery voltage (approx. 12V) to terminal 5. Check the rear
sonar system OFF indicator operation when terminal 6 is connected
to battery ground.
Removal and Installation of Rear Sonar SystemEKS00BDC
REAR SONAR SENSORS
Refer to EI-15, "Removal and Installation" for rear sonar sensor removal and installation procedures.
SONAR CONTROL UNIT
1. Remove luggage side finisher LH. Refer to EI-40, "LUGGAGE FLOOR TRIM" to gain access to sonar
control unit.
2. Disconnect electrical connector then remove sonar control unit. Refer to DI-58, "
Component Parts and
Harness Connector Location" .
3. Installation is in the reverse order of removal.(+) - (-) : Continuity should exist.
WKIA2024E
Rear sonar system OFF
switch Terminal to be inspected Continuity
Depressed
1 - 2Ye s
Released No
WKIA2025E
Terminal to be
inspectedCondition Operation
Rear sonar sys-
tem OFF switch5 Approx. 12V Rear sonar
system OFF
indicator lights 6 Ground
WKIA2026E

CLOCK
DI-69
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: October 20052005 QX56
CLOCKPFP:25820
Wiring Diagram — CLOCK —EKS00BDD
WKWA1178E

DI-70
CLOCK
Revision: October 20052005 QX56
Removal and Installation of ClockEKS00BDE
REMOVAL
1. Remove cluster lid C. Refer to IP-10, "INSTRUMENT PANEL
ASSEMBLY" .
2. Remove screws (3) and remove clock from cluster lid C.
INSTALLATION
Installation is in the reverse order of removal.
LKIA0477E

REAR VIEW MONITOR
DI-71
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: October 20052005 QX56
REAR VIEW MONITORPFP:28260
Component Parts and Harness Connector LocationEKS00D8F
WKIA3565E

DI-72
REAR VIEW MONITOR
Revision: October 20052005 QX56
System DescriptionEKS00BDF

When the A/T selector is in the reverse position, the display shows view to the rear of the vehicle.

Lines which indicate the vehicle clearance and distances are displayed on the monitor.
POWER SUPPLY AND GROUND
Power is supplied at all times

through 20A fuse (No. 31, located in the fuse and fusible link box)

to rear view camera control unit terminal 1.
When ignition switch is in ACC or ON position, power is supplied

through 10A fuse [No. 4, located in the fuse block (J/B)]

to rear view camera control unit terminal 2.
Ground is supplied

to rear view camera control unit terminal 3 and

to rear view camera terminal 2

through grounds B7 and B19.
AV COMMUNICATION LINE
Rear view camera control unit is connected to the following units with AV communication line. Each unit trans-
mits/receives data with AV communication line.

NAVI control unit

Display unit

Display control unit

AV switch
REAR VIEW CAMERA OPERATION
When ignition switch is in ON or START position, power is supplied

through 10A fuse (No. 51, located in the IPDM E/R)

to back-up lamp relay terminals 1 and 3.
When A/T selector lever is in reverse position, power is supplied

through back-up lamp relay terminal 2

to TCM terminal 7.
Then, when back-up lamp relay is energized,

from back-up lamp relay terminal 5

to rear view camera control unit terminal 4.
Then, rear view camera control unit is sent camera ON signal

through rear view camera control unit terminal 8

to rear view camera terminal 1.
An image taken by rear view camera is sent

through rear view camera terminals 3 and 4

to rear view camera control unit terminals 10 and 9.
Then an image is sent

through rear view camera control unit terminals 11 and 12

to display unit terminals 4 and 15.
An image of rear view will be projected on the display.
Side Distance Guideline
When A/T selector lever is in reverse position, rear view camera control unit is sent rear view camera guideline
image

through rear view camera control unit terminals 11 and 12

to display unit terminals 4 and 15.
Rear view camera guideline will be projected on the display.
Display shows image from rear view camera image and rear view camera guideline.

REAR VIEW MONITOR
DI-73
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: October 20052005 QX56
SchematicEKS00BDH
WKWA2375E

DI-74
REAR VIEW MONITOR
Revision: October 20052005 QX56
Wiring Diagram — R/VIEW —EKS00BDI
WKWA2376E

REAR VIEW MONITOR
DI-75
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: October 20052005 QX56
WKWA2377E

DI-76
REAR VIEW MONITOR
Revision: October 20052005 QX56
WKWA1182E

REAR VIEW MONITOR
DI-77
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: October 20052005 QX56
Terminals and Reference Value for Rear View Camera Control UnitEKS00BDJ
Te r m i n a l
No.Wire
colorItemCondition
Reference value (V)
(Approx.) Ignition
switchOperation
1 Y Battery power OFF — Battery voltage
2 V ACC power ACC — Battery voltage
3 B Ground ON — 0
4 G/W Reverse signal input ONA/T selector lever R position Battery voltage
A/T selector lever in other than R
position0
5BRAV Control ONA/T selector lever R position 0
—0
6G/WDDL — — —
8 Y Camera power output ON A/T selector lever R position 6
9 — Camera image input (–) ON — 0
10 G Camera image input (+) ON A/T selector lever R position
11 — Shield ground — — —
12 W Composite image output ON A/T selector lever R position
SKIA4894E
SKIA4896E