Nissan Pathfinder (2009 year). Manual — part 35
AV-92
< COMPONENT DIAGNOSIS >
[MID AUDIO]
STEERING SWITCH
STEERING SWITCH
Description
INFOID:0000000003939012
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:0000000003939013
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
AV-148, "Removal and Installation"
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector M42 and spiral cable con-
nector M30.
3.
Check continuity between AV control unit harness connector
M42 (A) and spiral cable harness connector M30 (B).
4.
Check continuity between AV control unit connector M42 (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
M42
6
M30
24
Yes
15
31
16
32
A
—
Continuity
Connector
Terminal
M42
6
Ground
No
15
16
ALNIA0332GB
2009 Pathfinder
AV
STEERING SWITCH
AV-93
< COMPONENT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Disconnect spiral cable connector M102.
2.
Check continuity between spiral cable harness connector M30
(A) and M102 (B).
Is continuity present?
YES
>> Inspection End.
NO
>> Replace spiral cable. Refer to
SR-7, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M102
20
Yes
31
17
32
16
AWNIA1600ZZ
2009 Pathfinder
AV-94
< COMPONENT DIAGNOSIS >
[MID AUDIO]
COMMUNICATION SIGNAL CIRCUIT
COMMUNICATION SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000003939014
Communication signals are exchanged between the AV control unit and satellite radio tuner using the commu-
nication circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000003939015
1.
CHECK HARNESS - 1
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41
and AV control unit connector M43.
3.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 28 and AV control unit har-
ness connector M43 (B) terminal 28.
4.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 28 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK HARNESS - 2
1.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 29 and AV control unit har-
ness connector M43 (B) terminal 29.
2.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 29 and ground.
Are continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK HARNESS - 3
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
28
M43
28
Yes
A
—
Continuity
Connector
Terminal
M41
28
Ground
No
ALNIA0334GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
29
M43
29
Yes
A
—
Continuity
Connector
Terminal
M41
29
Ground
No
ALNIA0867GB
2009 Pathfinder
AV
COMMUNICATION SIGNAL CIRCUIT
AV-95
< COMPONENT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and AV control unit har-
ness connector M43 (B) terminal 30.
2.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and ground.
Are continuity results as specified?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK REQ1 SIGNAL
1.
Connect satellite radio tuner (factory installed) connector and AV control 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-III
or oscilloscope.
Are voltage readings as specified?
YES
>> GO TO 5
NO
>> Replace AV control unit. Refer to
AV-142, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 29 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
30
M43
30
Yes
A
—
Continuity
Connector
Terminal
M41
30
Ground
No
ALNIA0877GB
(+)
(-)
Reference signal
Connector
Terminal
M41
28
Ground
WKIA4544E
SKIB3825E
(+)
(-)
Reference signal
Connector
Terminal
M41
29
Ground
WKIA4545E
SKIB3824E
2009 Pathfinder
AV-96
< COMPONENT DIAGNOSIS >
[MID AUDIO]
COMMUNICATION SIGNAL CIRCUIT
YES
>> GO TO 6
NO
>> Replace satellite radio tuner. Refer to
AV-153, "Removal and Installation"
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 30 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-153, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-142, "Removal and Installation"
.
(+)
(-)
Reference signal
Connector
Terminal
M41
30
Ground
WKIA4546E
SKIB3826E
2009 Pathfinder
AV
SOUND SIGNAL CIRCUIT
AV-97
< COMPONENT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SOUND SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000003939016
Left and right channel audio signals are supplied from the satellite radio tuner to the AV control unit through
the sound signal circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000003939017
LEFT CHANNEL
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41
and AV control unit connector M43.
3.
Check continuity between satellite radio tuner (factory installed)
connector M41 (A) and AV control unit connector M43 (B).
4.
Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK LEFT CHANNEL AUDIO SIGNAL
1.
Connect satellite radio tuner (factory installed) and AV control
unit.
2.
Turn ignition switch ON.
3.
Check signal between satellite radio tuner (factory installed)
connector M41 terminals 21 and 22 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-142, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-153, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
21
M43
21
Yes
22
22
A
—
Continuity
Connector
Terminal
M41
21
Ground
No
22
ALNIA0337GB
(+)
(-)
Reference signal
Connector
Terminal
M41
22
21
ALNIA0880GB
SKIB3609E
2009 Pathfinder
AV-98
< COMPONENT DIAGNOSIS >
[MID AUDIO]
SOUND SIGNAL CIRCUIT
RIGHT CHANNEL
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41
and AV control unit connector M43.
3.
Check continuity between satellite radio tuner (factory installed)
M41 (A) and AV control unit M43 (B).
4.
Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RIGHT CHANNEL AUDIO SIGNAL
1.
Connect satellite radio tuner (factory installed) and AV control
unit.
2.
Turn ignition switch ON.
3.
Check signal between satellite radio tuner (factory installed)
connector M41 terminals 23 and 24 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-142, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-153, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
23
M43
23
Yes
24
24
A
—
Continuity
Connector
Terminal
M41
23
Ground
No
24
ALNIA0338GB
(+)
(-)
Reference signal
Connector
Terminal
M41
24
23
ALNIA0881GB
SKIB3609E
2009 Pathfinder
AV
AV CONTROL UNIT
AV-99
< ECU DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
ECU DIAGNOSIS
AV CONTROL UNIT
Reference Value
INFOID:0000000003939018
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III data monitor item
TERMINAL LAYOUT
PHYSICAL VALUES
Display Item
Dis-
play
Vehicle status
Remarks
VHCL SPD SIG
ON
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
OFF
Vehicle speed =0 km/h (0 MPH)
PKB SIG
ON
Parking brake is applied.
Changes in indication may be delayed. This is nor-
mal.
OFF
Parking brake is released.
ILLUM SIG
ON
Block the light beam from the auto
light optical sensor when the light SW
is ON .
—
OFF
Expose the auto light optical sensor
to light when the light SW is OFF or
ON.
IGN SIG
ON
Ignition switch ON
—
OFF
Ignition switch in ACC position
REV SIG
ON
Selector lever in R position
Changes in indication may be delayed. This is nor-
mal.
OFF
Selector lever in any position other
than R
AWNIA0145ZZ
2009 Pathfinder
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