Infiniti M45 (Y34). Manual - part 327

VOICE ACTIVATED CONTROL SYSTEM

DI-153

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5. 

CHECK AV COMMUNICATION LINE

1.

Disconnect voice activated control module and AV and NAVI control unit (with navigation system) or AV
control unit (without navigation system) connector. 

2.

Check the following.

–

With navigation system

–

Without navigation system

OK or NG

OK

>> Replace voice activated control module.

NG

>> Repair harness or connector.

Terminals

Continuity

(+)

(–)

Connector

Terminal

(Wire color)

Connector

Terminal

(Wire color)

B71

35 (R)

B29

48 (R)

Yes

36 (G)

47 (G)

Yes

37

46

Yes

35 (R)

46

No

36 (G)

46

No

Terminals

Continuity

(+)

(–)

Connector

Terminal

(Wire color)

Connector

Terminal

(Wire color)

B71

35 (R)

M50

50 (R)

Yes

36 (G)

49 (G)

Yes

37

51

Yes

35 (R)

51

No

36 (G)

51

No

SKIA3924E

SKIA3919E

DI-154

VOICE ACTIVATED CONTROL SYSTEM

Audio Not Muted with PTT Switch Pushed ON 

AKS004OZ

1. 

CHECK AUDIO UNIT CIRCUIT

1.

Disconnect voice activated control module connector and Audio
unit connector.

2.

Check the following.

–

Continuity between voice activated control module harness con-
nector B69 terminal 27 (Y/R) and Audio unit harness connector
M87 terminal 9 (OR)

–

Continuity between voice activated control module harness con-
nector B69 terminal 27 (Y/R) and ground

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

2. 

CHECK AUDIO UNIT MUTE SIGNAL 

1.

Connect voice activated control module connector and audio
unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between voice activated control module harness
connector B69 terminal 27(Y/R) and ground.

OK or NG

OK

>> Replace audio unit.

NG

>> Replace voice activated control module.

Continuity should exist.

Continuity should not exist.

SKIA4155E

Terminals

PTT switch 

condition

Voltage (V)

(+)

(–)

Connector

Terminal

(Wire color)

B69

27 (Y/R)

Ground

ON

Approx. 0

OFF

Approx. 5

SKIA4156E

VOICE ACTIVATED CONTROL SYSTEM

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Audio Mute Not Released

AKS004P0

1. 

AUDIO UNIT MUTE SIGNAL CIRCUIT

1.

Disconnect voice activated control module connector and audio
unit connector.

2.

Check continuity between audio unit harness connector M87 ter-
minal 9 (OR) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair and replace harness.

2. 

CHECK MUTE SIGNAL

1.

Connect voice activated control module connector and audio
unit connector.

2.

Turn ignition switch ON.

3.

Check the following. 

OK or NG

OK

>> Replace audio unit.

NG

>> Replace voice activated control module.

Continuity should not exist.

SKIA0536E

Unit

Terminals

PTT 

switch 

condition

Voltage (V)

(+)

(–)

Connector

Terminal 

(Wire color)

Voice activated 

control module

B69

27 (Y/R)

Ground

ON

Approx. 0

OFF

Approx. 5

Audio unit

M87

9 (OR)

ON

Approx. 0

OFF

Approx. 5

SKIA4157E

DI-156

VOICE ACTIVATED CONTROL SYSTEM

Removal and Installation for Voice Activated Control Module

AKS004EN

REMOVAL

1.

Remove trunk side trim. Refer to 

EI-42, "TRUNK ROOM TRIM & TRUNK LID FINISHER"

 .

2.

Remove voice activated control module.

3.

Remove bracket from voice activated control module.

INSTALLATION

Install in the reverse order of removal.

SKIA0500E

SKIA0501E