Infiniti M45 (Y34). Manual - part 310

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

DI-85

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Vehicle Condition Setting is Not Possible

AKS004E2

1. 

CHECK HARNESS

1.

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

2.

Check continuity AV and NAVI control unit and BCM.

3.

Check continuity between AV and NAVI control unit 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.

3.

Check voltage signal between AV and NAVI control unit harness
connector B29 terminal 33 (LG) and ground with CONSULT-ll or
oscilloscope.

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 (PU) and ground with CONSULT-ll or
oscilloscope.

OK or NG

OK

>> Replace AV and NAVI control unit.

NG

>> Replace BCM.

Terminals

Continuity

AV and NAVI control unit (+)

BCM (–)

Connector

Terminal 

(Wire color)

Connector

Terminal 

(Wire color)

B29

33 (LG)

M4

31 (LG)

Yes

32 (PU)

30 (PU)

Terminals

Continuity

AV and NAVI control unit (+)

(–)

Connector

Terminal 

(Wire color)

B29

33 (LG)

Ground

No

32 (PU)

SKIA3536E

33 (LG) - Ground

: Refer to 

AV-64, "Terminals and 

Reference Value for AV and NAVI 
Control Unit"

 .

PKIA6801E

32 (PU) - Ground

: Refer to 

AV-64, "Terminals and 

Reference Value for AV and NAVI 
Control Unit"

 .

PKIA6802E

DI-86

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

Multifunction Switch Does Not Operate

AKS004E3

1. 

MULTIFUNCTION SWITCH SELF-DIAGNOSIS

Perform multifunction switch self-diagnosis. Refer to 

DI-81, "Multifunction Switch Self-Diagnosis Function"

 .

Is self-diagnosis result OK?

OK

>> GO TO 2.

NG

>> Replace multifunction switch.

2. 

CHECK POWER AND GROUND CIRCUIT

Check power and ground circuit. Refer to 

DI-80, "Terminals and Reference Value for Multifunction Switch"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

COMMUNICATION CIRCUIT SELF-DIAGNOSIS

Perform the self-diagnosis mode in the self-diagnosis function (If the self-diagnosis cannot be activated with
the multifunction switch, check with CONSULT-II). Refer to 

AV-69, "Self-Diagnosis Mode"

 .

Is self-diagnosis result OK?

OK

>> Replace display.

NG

>> With the self-diagnostic results, check the malfunction part.

Multifunction Switch Indicator Does Not Illuminate

AKS004E4

1. 

MULTIFUNCTION SWITCH SELF-DIAGNOSIS

Perform the multifunction switch self-diagnosis. Refer to 

DI-81, "Multifunction Switch Self-Diagnosis Function"

.

Is the self-diagnosis result OK?

OK

>> Replace switch of the malfunctioning indicator.

NG

>> Replace multifunction switch.

Removal and Installation of AV and NAVI Control Unit

AKS004E7

REMOVAL

1.

Remove the trunk front finisher. Refer to 

EI-42, "TRUNK ROOM

TRIM & TRUNK LID FINISHER"

 .

2.

Remove the screws (4) and remove the AV and NAVI control
unit.

INSTALLATION

Install in the reverse order of removal.

SKIA3581E

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

DI-87

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Removal and Installation of Display 

AKS004E5

REMOVAL

1.

Remove the cluster lid C. Refer to 

IP-10, "INSTRUMENT

PANEL ASSEMBLY"

  

2.

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

3.

Remove screws (4), and remove bracket.

INSTALLATION

Install in the reverse order of removal.

PKIA1669E

PKIA1670E

DI-88

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

Disassembly and Assembly for Multifunction Switch

AKS004E6

DISASSEMBLY

1.

Remove the screw (8).

2.

Remove the switches.

ASSEMBLY

Assemble in the reverse order of disassembly.

1.

Multifunction switch

2.

Escutcheon

3.

Hazard switch

4.

Defroster, rear defogger switch

5.

Function switch

6.

Function switch

7.

Function switch

8.

TAPE and DISC switch

9.

A/C switch

10. Escutcheon

11. AM and FM switch

12. Escutcheon

13. Switch assembly

14. Escutcheon

15. Cluster lid C

PKIA1671E