Nissan Titan A60. Manual — part 58
AV
REAR DOOR SPEAKER
AV-57
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connectors and suspect speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connectors M166
terminals with CONSULT-III or oscilloscope.
Are audio signal voltage readings as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M166
14
13
Receive
audio sig-
nal
16
15
AWNIA1616ZZ
SKIA0177E
AV-58
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
REAR DOOR TWEETER
REAR DOOR TWEETER
Description
INFOID:0000000006166472
The audio unit sends audio signals to the rear door tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166473
Regarding Wiring Diagram information, refer to
1.
HARNESS CHECK
1. Disconnect audio unit connector M166 and suspect tweeter con-
nector.
2. Check continuity between audio unit harness connectors M166
(A) and suspect tweeter harness connector (B).
3. Check continuity between audio unit harness connectors M166
(A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
REAR DOOR TWEETER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M166
13
D208
2
Yes
14
1
15
D308
2
16
1
Connector
Terminal
-
Continuity
M166
13
Ground
No
14
15
16
ALNIA0704GB
AV
REAR DOOR TWEETER
AV-59
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connectors and suspect tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connectors M166
terminals with CONSULT-III or oscilloscope.
Are audio signal voltage readings as specified?
YES
>> Replace suspect tweeter. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M166
14
13
Receive
audio sig-
nal
16
15
AWNIA1616ZZ
SKIA0177E
AV-60
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
STEERING SWITCH
STEERING SWITCH
Description
INFOID:0000000006166474
When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio
control switch circuit changes depending on which button is pushed.
Diagnosis Procedure (Without Bluetooth)
INFOID:0000000006166475
Regarding Wiring Diagram information, refer to
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect steering wheel audio control switch connector M102.
3. 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
AV-90, "Removal and Installation"
2.
CHECK HARNESS
1. Disconnect audio unit connector M167 and spiral cable connec-
tor M169.
2. Check continuity between audio unit harness connector M167
(A) and spiral cable harness connector M169 (B).
3. Check continuity between audio unit connector M167 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3.
Terminal
Signal name
Condition
Resistance
(
Ω)
(Approx.)
16
17
Seek (down)
Depress
switch.
165
Volume (down)
Depress VOL down switch.
652
Power
Depress PWR switch.
0
20
17
Seek (up)
Depress
switch.
165
Volume (up)
Depress VOL up switch.
652
Mode
Depress MODE switch.
0
WKIA4457E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M167
69
M169
24
Yes
70
32
71
31
A
—
Continuity
Connector
Terminal
M167
69
Ground
No
70
71
AWNIA1617ZZ
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