Infiniti Q45. Manual - part 181

TELEPHONE

AV-153

C

D

E

F

G

H

I

J

L

M

A

B

AV

4. 

CHECK MICROPHONE SIGNAL

Uttering in front of the microphone while using the hands-free phone
system, check voltage waveform between microphone harness con-
nector R25 terminals 5 and 6 with CONSULT-II or oscilloscope.

OK or NG

OK

>> Replace TEL adapter unit.

NG

>> Replace microphone.

Hands-Free Phone System Cannot Transmit The Party's Voice to The Speaker

NKS002LR

Symptom: Hands-free phone system cannot transmit the party's voice to the speaker or cannot make listening
tone, though the speaker's voice can be transmitted.

1. 

NAVIGATION SYSTEM SELF-DIAGNOSIS

Start the self-diagnosis of navigation system. Check the self-diagnosis result.

OK or NG

OK

>>

●

GO TO 2. (With voice activated control system)

●

GO TO 9. (Without voice activated control system)

NG

>> Repair malfunctioning part.

2. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit and voice activated control module connectors.

3.

Check continuity between TEL adapter unit harness connector
(A) B32 terminals 9, 10, 11 and voice activated control module
harness connector (B) B67 terminals 12, 11, 8.

4.

Check continuity between TEL adapter unit harness connector
(A) B32 terminals 9, 10, 11 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

5 – 6:

SKIB7711E

SKIB3609E

9 – 12

: Continuity should exist.

10 – 11

: Continuity should exist.

11 – 8

: Continuity should exist.

9, 10, 11 – Ground

: Continuity should not exist.

SKIB7712E

AV-154

TELEPHONE

3. 

CHECK HARNESS

1.

Disconnect voice activated control module and audio unit connectors.

2.

Check continuity between voice activated control module har-
ness connector (A) B69 terminal 27 and audio unit harness con-
nector (B) M87 terminal 9.

3.

Check continuity between voice activated control module har-
ness connector (A) B69 terminal 27 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

4. 

CHECK TEL ON SIGNAL

1.

Connect TEL adapter unit, voice activated control module and audio unit connectors.

2.

Turn ignition switch ON.

3.

Check voltage between TEL adapter unit harness connector ter-
minal and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Replace TEL adapter unit.

5. 

CHECK TEL ON SIGNAL

Check voltage between voice activated control module harness con-
nector terminal and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Replace voice activated control module.

27 – 9

: Continuity should exist.

27 – Ground

: Continuity should not exist.

SKIB7713E

Terminals

While using hands-
free phone system

Except while using 
hands-free phone 
system

(+)

(–)

Connector

Terminal

B32

11

Ground

Approx. 0 V

Approx. 12 V

SKIB7714E

Terminals

While using hands-
free phone system

Except while using 
hands-free phone 
system

(+)

(–)

Connector

Terminal

B69

27

Ground

Approx. 0 V

Approx. 5 V

SKIB7715E

TELEPHONE

AV-155

C

D

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F

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A

B

AV

6. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect voice activated control module and BOSE speaker amp. connectors.

3.

Check continuity between voice activated control module har-
ness connector (A) B69 terminals 26, 25 and BOSE speaker
amp. harness connector (B) B234 terminals 26, 42.

4.

Check continuity between voice activated control module har-
ness connector (A) B69 terminals 26, 25 and ground.

OK or NG

OK

>> GO TO 7.

NG

>> Repair harness or connector.

7. 

CHECK TEL VOICE SIGNAL

1.

Connect voice activated control module and BOSE speaker amp. connectors.

2.

Turn ignition switch ON.

3.

Receiving the party's voice while using the hands-free phone
system, check voltage waveform between TEL adapter unit har-
ness connector B32 terminals 9 and 10 with CONSULT-II or
oscilloscope.

OK or NG

OK

>> GO TO 8.

NG

>> Replace TEL adapter unit.

8. 

CHECK TEL VOICE SIGNAL

Receiving the party's voice while using the hands-free phone sys-
tem, check voltage waveform between voice activated control mod-
ule harness connector B69 terminals 26 and 25 with CONSULT-II or
oscilloscope.

OK or NG

OK

>> Replace BOSE speaker amp.

NG

>> Replace voice activated control module.

26 – 26

: Continuity should exist.

25 – 42

: Continuity should exist.

26, 25 – Ground

: Continuity should not exist.

SKIB7716E

9 – 10:

SKIB7717E

SKIB3609E

26 – 25:

SKIB7718E

SKIB3609E

AV-156

TELEPHONE

9. 

CHECK HARNESS

1.

Disconnect TEL adapter unit and audio unit connectors.

2.

Check continuity between TEL adapter unit harness connector
(A) B32 terminal 11 and audio unit harness connector (B) M87
terminal 9.

3.

Check continuity between TEL adapter unit harness connector
(A) B32 terminal 11 and ground.

OK or NG

OK

>> GO TO 10.

NG

>> Repair harness or connector.

10. 

CHECK TEL ON SIGNAL

1.

Connect TEL adapter unit and audio unit connectors.

2.

Turn ignition switch ON.

3.

Check voltage between TEL adapter unit harness connector ter-
minal and ground.

OK or NG

OK

>> GO TO 11.

NG

>> Replace TEL adapter unit.

11. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit and BOSE speaker amp. connectors.

3.

Check continuity between TEL adapter unit harness connector
(A) B32 terminals 9, 10 and BOSE speaker amp. harness con-
nector (B) B234 terminals 26, 42.

4.

Check continuity between TEL adapter unit harness connector
(A) B32 terminals 9, 10 and ground.

OK or NG

OK

>> GO TO 12.

NG

>> Repair harness or connector.

11 – 9

: Continuity should exist.

11 – Ground

: Continuity should not exist.

SKIB7719E

Terminals

While using hands-
free phone system

Except while using 
hands-free phone 
system

(+)

(–)

Connector

Terminal

B32

11

Ground

Approx. 0 V

Approx. 5 V

SKIB7714E

9 – 26

: Continuity should exist.

10 – 42

: Continuity should exist.

9, 10 – Ground

: Continuity should not exist.

SKIB7720E