Nissan Pathfinder (2007 year). Instruction — part 71
AUDIO
AV-41
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AV
2007 Pathfinder
4.
CHECK REQ1 SIGNAL
1.
Connect satellite radio tuner (factory installed) connector and audio unit connector.
2.
Turn ignition switch to ACC
3.
Check signal between satellite radio tuner (factory installed) har-
ness connector M41 terminal 28 and ground with CONSULT-II
or oscilloscope.
OK or NG
OK
>> GO TO 5.
NG
>> Replace audio unit. Refer too.
AV-61, "AUDIO UNIT - WITHOUT NAVI"
.
5.
CHECK TXD SIGNAL
1.
Check signal between satellite radio tuner (factory installed) har-
ness connector M41 terminal 29 and ground with CONSULT-II
or oscilloscope.
OK or NG
OK
>> GO TO 6.
NG
>> Replace audio unit. Refer to
AV-61, "AUDIO UNIT - WITHOUT NAVI"
.
6.
CHECK RXD SIGNAL
1.
Check signal between satellite radio tuner (factory installed) har-
ness connector M41 terminal 30 and ground with CONSULT-II
or oscilloscope.
OK or NG
OK
>> Replace satellite radio tuner. Refer to
NG
>> Replace audio unit. Refer to
AV-61, "AUDIO UNIT - WITHOUT NAVI"
.
28 - Ground
: Refer to
and Reference Values for Sat-
ellite Radio Tuner"
.
WKIA4544E
29 - Ground
: Refer to
and Reference Values for Sat-
ellite Radio Tuner"
.
WKIA4545E
30 - Ground
: Refer to
and Reference Values for Sat-
ellite Radio Tuner"
.
WKIA4546E
AV-42
AUDIO
2007 Pathfinder
Satellite Radio Tuner (Factory Installed) Left Channel Audio Signal Circuit
Inspection
EKS00HKB
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41 (A) and audio unit connector M42 (B).
3.
Check continuity between satellite radio tuner (factory installed) and audio unit.
4.
Check continuity between satellite radio tuner (factory installed)
and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK LEFT CHANNEL AUDIO SIGNAL
1.
Connect satellite radio tuner (factory installed) and audio unit.
2.
Turn ignition switch ON.
3.
Check signal between satellite radio tuner (factory installed)
connector M41 terminals 21 and 22 with CONSULT-II or oscillo-
scope.
OK or NG
OK
>> Replace satellite radio tuner. Refer to
NG
>> Replace audio unit. Refer to
AV-61, "AUDIO UNIT - WITHOUT NAVI"
.
Terminals
Continuity
Satellite radio tuner
Audio unit
Connector
Terminal
Connector
Terminal
A: M41
21
B: M42
41
Yes
22
42
Terminals
Continuity
Satellite radio tuner
—
Connector
Terminal
A: M41
21
Ground
No
22
WKIA4547E
21 - 22
and Reference Values for
Satellite Radio Tuner"
.
WKIA4548E
AUDIO
AV-43
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AV
2007 Pathfinder
Satellite Radio Tuner (Factory Installed) Right Channel Audio Signal Circuit
Inspection
EKS00HKC
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41 (A) and audio unit connector M42 (B).
3.
Check continuity between satellite radio tuner (factory installed) and audio unit.
4.
Check continuity between satellite radio tuner (factory installed)
and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK RIGHT CHANNEL AUDIO SIGNAL
1.
Connect satellite radio tuner (factory installed) and audio unit.
2.
Turn ignition switch ON.
3.
Check signal between satellite radio tuner (factory installed)
connector M41 terminals 23 and 24 with CONSULT-II or oscillo-
scope.
OK or NG
OK
>> Replace satellite radio tuner. Refer to
NG
>> Replace audio unit. Refer to
AV-61, "AUDIO UNIT - WITHOUT NAVI"
.
Steering Switch Check (With NAVI)
EKS00G5N
1.
AV SWITCH SELF-DIAGNOSIS FUNCTION CHECK
1.
Start AV switch self-diagnosis function. Refer to
AV-33, "AV Switch Self-Diagnosis Function"
2.
Operate steering switch.
Does steering switch operate normally?
YES
>> Inspection End.
NO
>> GO TO 2.
Terminals
Continuity
Satellite radio tuner
Audio unit
Connector
Terminal
Connector
Terminal
A: M41
23
B: M42
43
Yes
24
44
Terminals
Continuity
Satellite radio tuner
—
Connector
Terminal
A: M41
23
Ground
No
24
WKIA4549E
23 - 24
: Refer to
and Reference Values for
Satellite Radio Tuner"
WKIA4550E
AV-44
AUDIO
2007 Pathfinder
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect AV switch connector M98 and spiral cable connector M30.
3.
Check continuity between spiral cable harness connector terminal and AV switch harness connector ter-
minal.
4.
Check continuity between AV switch and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
3.
SPIRAL CABLE CHECK
1.
Disconnect spiral cable connector M102.
2.
Check continuity between spiral cable terminals.
OK or NG
OK
>> GO TO 4.
NG
>> Replace spiral cable. Refer to
.
Terminals
Continuity
Spiral cable
AV switch
Connector
Terminal
Connector
Terminal
A: M30
24
B: M98
12
Yes
25
13
26
14
Terminals
Continuity
AV switch
—
Connector
Terminal
B: M98
12
Ground
No
13
14
WKIA5745E
Terminals
Continuity
Spiral cable
Connector
Terminal
Connector
Terminal
A: M30
24
B: M102
20
Yes
25
19
26
18
WKIA5746E
AUDIO
AV-45
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AV
2007 Pathfinder
4.
CHECK STEERING SWITCH RESISTANCE
Check resistance between steering switch terminals.
OK or NG
OK
>> Inspection End.
NG
>> Replace steering switch. Refer to
AV-64, "STEERING WHEEL AUDIO CONTROL SWITCHES"
Steering Switch Check (Without NAVI)
EKS00G5O
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector M45 and spiral cable connector M30.
3.
Check continuity between spiral cable harness connector terminal and audio unit harness connector ter-
minal.
4.
Check continuity between audio unit and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness.
Terminal
Signal name
Condition
Resistance
(
Ω
)
(Approx.)
19
18
Seek (down)
Depress (station) down switch.
165
Power
Depress power switch.
0
Volume (down)
Depress volume down switch.
652
20
18
Seek (up)
Depress (station) up switch.
165
Mode
Depress mode switch.
0
Volume (up)
Depress volume up switch.
652
WKIA5747E
Terminals
Continuity
Spiral cable
Audio unit
Connector
Terminal
Connector
Terminal
A: M30
24
B: M45
69
Yes
25
70
26
71
Terminals
Continuity
Audio unit
—
Connector
Terminal
B: M45
69
Ground
No
70
71
WKIA5748E
AV-46
AUDIO
2007 Pathfinder
2.
SPIRAL CABLE CHECK
1.
Disconnect spiral cable connector M102.
2.
Check continuity between spiral cable harness connector termi-
nals.
OK or NG
OK
>> GO TO 3.
NG
>> Replace spiral cable. Refer to
.
3.
CHECK STEERING SWITCH RESISTANCE
Check resistance between steering switch terminals.
OK or NG
OK
>> Inspection End.
NG
>> Replace steering switch. Refer to
AV-64, "STEERING WHEEL AUDIO CONTROL SWITCHES"
.
AV Switch Check (With NAVI)
EKS00G5P
1.
AV SWITCH SELF-DIAGNOSIS FUNCTION CHECK
Perform AV switch self-diagnosis function. Refer to
AV-33, "AV Switch Self-Diagnosis Function"
Does AV switch operate normally?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check AV switch power supply and ground circuit. Refer to
AV-37, "Power Supply Circuit Inspection"
OK or NG
OK
>> Replace AV switch. Refer to
NG
>> Repair malfunctioning part.
Terminals
Continuity
Spiral cable
Connector
Terminal
Connector
Terminal
A: M30
24
B: M102
20
Yes
25
19
26
18
WKIA5746E
Terminal
Signal name
Condition
Resistance
(
Ω
)
(Approx.)
19
18
Seek (down)
Depress (station) down switch.
165
Power
Depress power switch.
0
Volume (down)
Depress volume down switch.
652
20
18
Seek (up)
Depress (station) up switch.
165
Mode
Depress mode switch.
0
Volume (up)
Depress volume up switch.
652
WKIA5747E
AUDIO
AV-47
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AV
2007 Pathfinder
Audio Communication Line Check (With Navigation System)
EKS00G5Q
1.
CHECK AUDIO COMMUNICATION LINE
Start audio communication line check. Refer to
AV-126, "Audio Communication Line Check (Between Display
.
OK or NG
OK
>> Inspection End.
NG
>> Replace malfunctioning part.
Sound Is Not Heard From Front Door Speaker or Front Tweeter (Base and Mid
Level System)
EKS00G5R
1.
HARNESS CHECK
1.
Disconnect audio unit connector M43 and suspect speaker or tweeter connector.
2.
Check continuity between audio unit harness connector M43 ter-
minal and suspect speaker or tweeter harness connector termi-
nal.
3.
Check continuity between audio unit harness connector M43 ter-
minal and ground.
OK or NG
OK
>> GO TO 2.
NG
>>
●
Check connector housings for disconnected or loose terminals.
●
Repair harness or connector.
Terminals
Continuity
Audio unit
Speaker or tweeter
Connector
Terminal
Connector
Terminal
M43
2
D12
+
Yes
1
-
4
D112
+
3
-
2
M109
+
1
-
4
M111
+
3
-
*: With mid-level system
Terminals
Continuity
Audio unit
—
Connector
Terminal
M43
2
Ground
No
1
4
3
WKIA1220E
AV-48
AUDIO
2007 Pathfinder
2.
FRONT SPEAKER SIGNAL CHECK
1.
Connect audio unit connector and front speaker or tweeter connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector terminal
and ground with CONSULT-II or oscilloscope.
OK or NG
OK
.
NG
>> Replace audio unit. Refer to
.
Terminals
Condi-
tion
Reference
signal
(+)
(-)
Con-
nec-
tor
Termi-
nal
Con-
nec-
tor
Termi-
nal
M43
2
M43
1
Receive
audio
signal
4
3
SKIA4278E
SKIA0177E
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