Nissan Leaf. Manual - part 48

AV

MICROPHONE SIGNAL CIRCUIT

AV-183

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO W/O NAVI (FOR MEXICO)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-192, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-197, "Removal and Installation"

.

AV control unit connector M151

Condition

Reference value

(+)

(

−)

Terminal

Terminal

53

54

Speak into microphone.

PKIB5037J

AV-184

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO W/O NAVI (FOR MEXICO)]

STEERING SWITCH

STEERING SWITCH

Diagnosis Procedure

INFOID:0000000010385234

Regarding Wiring Diagram information, refer to 

AV-125, "Wiring Diagram"

.

1.

CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

1. Turn power switch OFF.

2. Disconnect combination switch connector M112.

3. Check resistance between the terminals of combination switch connector M112.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace steering switches. Refer to 

AV-201, "Removal and Installation"

.

2.

CHECK COMBINATION SWITCH

Check continuity between combination switch connectors M112 and M92.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable. Refer to 

SR-23, "Removal and Installation"

.

3.

CHECK HARNESS BETWEEN COMBINATION SWITCH AND AV CONTROL UNIT 

1. Disconnect AV control unit connector M150.

2. Check continuity between combination switch connector M92 and AV control unit connector M150.

Combination switch connector M112

Condition

Resistance 

Ω

(Approx.)

Terminal

Terminal

14

17

Depress SOURCE switch.

1

Depress  

switch.

121

Depress  

switch.

321

Depress  

switch.

723

15

Depress  

switch.

1

Depress  

switch.

121

Depress  

switch. 

321

Combination switch 

Continuity

Connector

Terminal

Connector

Terminal

M112

14

M92

24

Yes

15

31

17

33

Combination switch

AV control unit 

Continuity

Connector

Terminal

Connector

Terminal

M92

24

M150

6

Yes

31

16

33

15

AV

STEERING SWITCH

AV-185

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO W/O NAVI (FOR MEXICO)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

3. Check continuity between combination switch connector M92 and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-192, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Combination switch

Ground

Continuity

Connector

Terminal

M92

24

—

No

31

33

AV-186

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO W/O NAVI (FOR MEXICO)]

USB CONNECTOR

USB CONNECTOR

Diagnosis Procedure

INFOID:0000000010385235

Regarding Wiring Diagram information, refer to 

AV-125, "Wiring Diagram"

.

1.

CHECK USB HARNESS CONTINUITY

1. Turn power switch OFF.

2. Disconnect AV control unit connector M152 and USB connector M53.

3. Check continuity between AV control unit connector M152 and USB connector M53.

4. Check continuity between AV control unit connector M152 and ground.

Is the inspection result normal?

YES

>> Replace the USB connector. Refer to 

AV-203, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

AV control unit

USB 

Continuity

Connector

Terminal

Connector

Terminal

M152

61

M53

2

Yes

62

1

63

4

64

3

65

5

AV control unit

—

Continuity

Connector

Terminal

M152

61

Ground

No

63