Infiniti Q45. Manual — part 325
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
DI-167
C
D
E
F
G
H
I
J
L
M
A
B
DI
Fuel Information Is Not Displayed/Warning Message Is Not Displayed
NKS001DU
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect connectors of combination meter, BCM, and AV and NAVI control unit.
3.
Check continuity between AV and NAVI control unit harness connector B29 terminals 33, 32 and combina-
tion meter harness connector M41 terminals 7, 6.
4.
Check continuity between AV and NAVI control unit harness
connector B29 terminals 33, 32 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK COMMUNICATION SIGNAL (AV–ME)
1.
Connect connectors of combination meter, BCM, and AV and
NAVI control unit.
2.
Turn ignition switch ON and display “VEHICLE ELECTRONIC
SYSTEMS” screen.
3.
Check voltage signal between AV and NAVI control unit harness
connector B29 terminal 33 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace AV and NAVI control unit.
Terminals
Continuity
AV and NAVI control unit (+)
Combination meter (–)
Connector
Terminal
Connector
Terminal
B29
33
M41
7
Yes
32
6
Terminals
Continuity
AV and NAVI control unit (+)
(–)
Connector
Terminal
B29
33
Ground
No
32
PKIA9731E
33 – Ground:
PKIA9732E
SKIA0169E
DI-168
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
3.
CHECK COMMUNICATION SIGNAL (ME–AV)
1.
Turn ignition switch ON and display “VEHICLE ELECTRONIC
SYSTEMS” screen.
2.
Check voltage signal between AV and NAVI control unit harness
connector B29 terminal 32 and ground.
OK or NG
OK
>> Replace AV and NAVI control unit.
NG
>> Replace combination meter.
Vehicle Condition Setting Is Not Possible
NKS001DV
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect connectors of combination meter, BCM, and AV and NAVI control unit.
3.
Check continuity AV and NAVI control unit harness connector B29 terminals 33, 32 and BCM harness
connector M4 terminals 31, 30.
4.
Check continuity between AV and NAVI control unit harness
connector B29 terminals 33, 32 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
32 – Ground:
PKIA9733E
SKIA0170E
Terminals
Continuity
AV and NAVI control unit
BCM
Connector
Terminal
Connector
Terminal
B29
33
M4
31
Yes
32
30
Terminals
Continuity
AV and NAVI control unit (+)
(–)
Connector
Terminal
B29
33
Ground
No
32
PKIA9734E
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
DI-169
C
D
E
F
G
H
I
J
L
M
A
B
DI
2.
CHECK COMMUNICATION SIGNAL (AV–ME)
1.
Connect connectors of combination meter, BCM, and AV and
NAVI control unit.
2.
Turn ignition switch ON and display “VEHICLE ELECTRONIC
SYSTEMS” screen.
3.
Check voltage signal between AV and NAVI control unit harness
connector B29 terminal 33 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace AV and NAVI control unit.
3.
CHECK COMMUNICATION SIGNAL (ME–AV)
1.
Turn ignition switch ON and display “VEHICLE ELECTRONIC
SYSTEMS” screen.
2.
Check voltage signal between AV and NAVI control unit harness
connector B29 terminal 32 and ground.
OK or NG
OK
>> Replace AV and NAVI control unit.
NG
>> Replace BCM.
Multifunction Switch Does Not Operate
NKS001DW
1.
MULTIFUNCTION SWITCH SELF-DIAGNOSIS
Perform multifunction switch self-diagnosis. Refer to
DI-165, "Multifunction Switch Self-Diagnosis Function"
Does multifunction switch self-diagnosis mode operate?
YES
>> With the self-diagnosis results, check the malfunctioning part.
NO
>> GO TO 2.
2.
COMMUNICATION CIRCUIT SELF-DIAGNOSIS
Perform the self-diagnosis with CONSULT-II. Refer to
AV-115, "CONSULT-II Function (MULTI AV)"
Is self-diagnosis result OK?
YES
>> Replace multifunction switch.
NO
>> With the self-diagnosis results, check the malfunctioning part.
33 – Ground:
PKIA9732E
SKIA0169E
32 – Ground:
PKIA9733E
SKIA0170E
DI-170
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
Removal and Installation of Multifunction Switch
NKS001DX
Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
Removal and Installation of AV and NAVI Control Unit
NKS001DY
REMOVAL
1.
Remove the trunk compartment trim. Refer to
ROOM TRIM & TRUNK LID FINISHER"
.
2.
Remove the screws (4) and remove the AV and NAVI control
unit.
INSTALLATION
Installation is the reverse order of removal.
Removal and Installation of Display
NKS001DZ
REMOVAL
1.
Remove the cluster lid C. Refer to
.
2.
Remove the screws (4), and remove the display.
INSTALLATION
Installation is the reverse order of removal.
SKIA3581E
SKIA4109E
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