Nissan Tiida C11. Instruction — part 4
AV-10
< COMPONENT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1.
Turn ignition switch OFF.
2.
Disconnect microphone and AV control unit harness connectors.
3.
Check continuity between microphone harness connector R15
(A) terminal 4 and AV control unit harness connector M44 (B)
terminal 29.
4.
Check continuity between microphone harness connector R15
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1.
Connect AV control unit harness connector.
2.
Turn ignition switch to ACC.
3.
Check voltage between AV control unit harness connector M44
terminal 29 and ground.
Is approximately 5V present?
YES
>> Inspection End.
NO
>> Replace AV control unit. Refer to
XX-XX, "*****"
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect microphone harness connector R15 and AV control unit harness connector M44.
3.
Check continuity between microphone harness connector R15 (A) terminal 2 and AV control unit harness
connector M44 (B) terminal 28.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
R15
4
M44
29
Yes
A
—
Continuity
Connector
Terminal
R15
4
Ground
No
ALNIA0320GB
Signal name
Connector
No.
Terminal
No.
Ignition switch
position
Value (Approx.)
MIC power
M44
29
ACC
5V
ALNIA0321GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
R15
2
M44
28
Yes
AV
STEERING SWITCH
AV-11
< COMPONENT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH
Description
INFOID:0000000001728773
When one of the steering wheel AV control switches is pushed, the resistance in the steering wheel AV control
switch circuit changes depending on which button is pushed.
Diagnosis Procedure
INFOID:0000000001728774
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1.
Disconnect steering wheel audio control switch connector M102.
2.
Check resistance between steering switch connector terminals.
Do the steering wheel audio control switches check OK?
YES
>> GO TO 2
NO
>> Replace steering wheel audio control switch. Refer to
XX-XX, "*****"
.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector M43 and spiral cable con-
nector M30.
3.
Check continuity between AV control unit harness connector
M43 (A) and spiral cable harness connector M30 (B).
4.
Check continuity between AV control unit connector M43 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness.
3.
SPIRAL CABLE CHECK
Terminal
Signal name
Condition
Resistance
(
Ω
)
(Approx.)
16
17
Seek (down)
Depress
switch.
165
Volume (down)
Depress VOL down switch.
487
Power
Depress PWR switch.
0
20
17
Seek (up)
Depress
switch.
165
Volume (up)
Depress VOL up switch.
487
Mode
Depress MODE switch.
0
WKIA4457E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M43
6
M30
24
Yes
15
31
16
32
A
—
Continuity
Connector
Terminal
M43
6
Ground
No
15
16
ALNIA0332GB
AV-12
< COMPONENT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
STEERING SWITCH
1.
Disconnect spiral cable connector M102.
2.
Check continuity between spiral cable harness connector M30
(A) and M102 (B).
Does the spiral cable check OK?
YES
>> Inspection End.
NO
>> Replace spiral cable. Refer to
XX-XX, "*****"
.
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M102
20
Yes
31
17
32
16
ALNIA0333GB
AV
MICROPHONE SIGNAL CIRCUIT
AV-13
< COMPONENT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000001728771
Voice signals are transmitted from the microphone to the AV control unit using the microphone signal circuits.
Diagnosis Procedure
INFOID:0000000001728772
1.
CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and microphone connector.
3.
Check continuity between AV control unit harness connector M44 and microphone harness connector
R15.
4.
Check continuity between AV control unit harness connector M44 and ground.
Are the continuity test results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1.
Connect AV control unit connector and microphone connector.
2.
Turn ignition switch ON.
3.
Check voltage between microphone harness connector R15 ter-
minal 4 and ground.
Is voltage reading approx. 5 volts?
YES
>> GO TO 3
NO
>> Replace AV control unit. Refer to
XX-XX, "*****"
.
3.
CHECK MICROPHONE SIGNAL
Check signal between AV control unit harness connector M44 terminals 27 and 28 with CONSULT-III or and
oscilliscope.
Terminal
Terminal
Continuity
Connector
Terminal
Connector
Terminal
M44
27
R15
1
Yes
28
2
29
4
Terminal
—
Continuity
Connector
Terminal
M44
7
Ground
No
8
29
4 - Ground
: Approx. 5V
WKIA5796E
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