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
.
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
.
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
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