Infiniti Q45. Manual - part 320

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

DI-147

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Vehicle Condition Setting Is Not Possible

NKS001D4

1. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect connectors of AV control unit, combination meter
and BCM.

3.

Check continuity AV control unit harness connector M77 termi-
nal 34 and BCM harness connector M4 terminal 31.

4.

Check continuity AV control unit harness connector M77 termi-
nal 35 and BCM harness connector M4 terminal 30.

5.

Check continuity between AV control unit harness connector M77 terminals 34, 35 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

2. 

CHECK COMMUNICATION SIGNAL (AV-ME)

1.

Connect connectors of AV control unit, combination meter and
BCM.

2.

Turn ignition switch ON and display “VEHICLE ELECTRONIC
SYSTEMS” screen.

3.

Check voltage signal between AV control unit harness connector
M77 terminal 34 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace AV control unit.

34 – 31

: Continuity should exist.

35 – 30

: Continuity should exist.

34 – Ground

: Continuity should not exist.

35 – Ground

PKIA9708E

34 – Ground:

PKIA9709E

SKIA0169E

DI-148

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

3. 

CHECK COMMUNICATION SIGNAL (ME-AV)

1.

Turn ignition switch ON and display “VEHICLE ELECTRONIC
SYSTEMS” screen.

2.

Check voltage signal between AV control unit harness connector
M77 terminal 35 and ground.

OK or NG

OK

>> Replace AV control unit.

NG

>> Replace BCM.

Multifunction Switch Does Not Operate

NKS001DB

1. 

MULTIFUNCTION SWITCH SELF-DIAGNOSIS

Perform multifunction switch self-diagnosis. Refer to 

DI-136, "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 

DI-132, "CONSULT-II Function (MULTI AV)"

 .

Is self-diagnosis result OK?

YES

>> Replace display.

NO

>> With the self-diagnosis results, check the malfunctioning part.

Removal and Installation of Multifunction Switch

NKS001DC

Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

Removal and Installation of AV Control Unit 

NKS001DD

REMOVAL

1.

Remove cluster lid C. Refer to 

IP-10, "INSTRUMENT PANEL

ASSEMBLY"

 .

2.

Remove warning chime. Refer to 

DI-69, "Removal and Installa-

tion of Warning Chime"

 .

3.

Remove low tire pressure warning control unit. Refer to 

WT-7,

"LOW TIRE PRESSURE WARNING CONTROL UNIT"

 .

4.

Remove the Bolts (2) , and remove AV control unit.

INSTALLATION

Installation is the reverse order of removal.

35 – Ground:

PKIA9707E

SKIA0170E

SKIA0620E

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

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Removal and Installation of Display 

NKS001DE

REMOVAL

1.

Remove the cluster lid C. Refer to 

IP-10, "INSTRUMENT

PANEL ASSEMBLY"

 .

2.

Remove the screws (4), and remove the display.

INSTALLATION

Installation is the reverse order of removal.

SKIA4109E

DI-150

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

Disassembly and Assembly for Multifunction Switch

NKS001DF

DISASSEMBLY

1.

Remove the screws (7).

2.

Remove the switches.

ASSEMBLY

Assembly is the reverse order of disassembly.

1.

Multifunction switch

2.

Escutcheon

3.

Hazard switch

4.

Defroster, rear window defogger 
switch

5.

Function switch

6.

Function switch

7.

Function switch

8.

TAPE and DISC switch

9.

A/C switch

10. Escutcheon

11. Radio switch

12. Escutcheon

13. Switch assembly

14. Escutcheon

15. Cluster lid C

PKIC4896E