Infiniti F50. Manual - part 329

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

DI-159

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Vehicle Condition Setting Is Not Possible

EKS006U2

1. 

CHECK HARNESS

1.

Turn the ignition switch OFF.

2.

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

3.

Check continuity AV and NAVI control unit and BCM.

4.

Check continuity between AV and NAVI control unit and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness.

2. 

CHECK COMMUNICATION SIGNAL (AV–ME)

1.

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

2.

Turn the ignition switch ON.

3.

Check the 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 to ON and display “VEHICLE ELECTRONIC SYSTEMS” screen.

2.

Check the 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

B29

32 (PU)

M4

30 (PU)

YES

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-73, "Terminals and 

Reference Value for AV and NAVI 
Control unit"

 .

SKIA3534E

32 (PU) – Ground

: Refer to 

AV-73, "Terminals and 

Reference Value for AV and NAVI 
Control unit"

 .

SKIA3535E

DI-160

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

Multifunction Switch Does Not Operate

EKS006ET

Inspection procedure

1. 

MULTIFUNCTION SWITCH SELF-DIAGNOSIS

Perform multifunction switch self-diagnosis. Refer to 

DI-155, "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-153, "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 

DI-109, "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

EKS006EU

1. 

MULTIFUNCTION SWITCH SELF-DIAGNOSIS

Perform the multifunction switch self-diagnosis. Refer to 

DI-155, "Multifunction Switch Self-Diagnosis Func-

tion"

 .

Is the self-diagnosis result OK?

OK

>> Replace switch of the malfunctioning indicator

NG

>> Replace multifunction switch.

Removal and Installation of Display 

EKS006EV

REMOVAL

1.

Remove the cluster lid C. Refer to 

IP-10, "INSTRUMENT

PANEL ASSEMBLY"

  

2.

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

INSTALLATION

Install in the reverse order of removal.

SKIA4109E

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

DI-161

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Disassembly and Assembly for Multifunction Switch

EKS006EW

1.

Remove the screw (7)

2.

Remove the switches.

PKIA0308E

1.

Multifunction switch

2.

Hazard switch

3.

Defroster, rear defogger switch

4.

Function switch

5.

Function switch

6.

Function switch

7.

TAPE and DISC switch

8.

A/C switch

9.

Escutcheon

10. AM and FM switch

11. Escutcheon

12. Switch assembly

13. Escutcheon

14. Cluster lid C

DI-162

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-

TION SYSTEM

Removal and Installation of AV and NAVI Control Unit

EKS006EX

REMOVAL

1.

Remove the trunk compartment trim. Refer to 

EI-52, "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