Nissan Pathfinder. Manual — part 53
AV
REAR DOOR SPEAKER
AV-39
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009174392
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair the terminals or connectors.
2.
CHECK REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio unit connector M123 and suspect rear door speaker connector.
2. Check continuity between audio unit connector M123 and suspect rear door speaker connector.
3. Check continuity between audio unit connector M123 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR DOOR SPEAKER SIGNAL
1. Connect audio unit connector M123 and suspect rear door speaker connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check the signal between the terminals of audio unit connector M123.
Audio unit
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
M123
4
D206 (LH)
1
Yes
5
2
13
D306 (RH)
1
14
2
Audio unit
Ground
Continuity
Connector
Terminal
M123
4
—
No
5
13
14
Audio unit connector M123
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-40
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
REAR DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-52, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-46, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV
STEERING SWITCH
AV-41
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH
Diagnosis Procedure
INFOID:0000000009174393
Regarding Wiring Diagram information, refer to
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect combination switch connector M149.
3. Check the resistance between the terminals of combination switch connector M149.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace steering switch. Refer to
AV-48, "Removal and Installation"
.
2.
CHECK HARNESS BETWEEN COMBINATION SWITCH AND COMBINATION METER
1. Disconnect combination meter connector M24 and combination switch connector M30.
2. Check continuity between combination meter connector M24 and combination switch connector M30.
3. Check continuity between combination meter connector M24 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK COMBINATION SWITCH
Combination switch connector M149
Condition
Resistance
Ω
(Approx.)
Terminal
Terminal
14
17
Depress SOURCE switch.
1
Depress
switch.
121
Depress
switch.
321
Depress ENTER switch.
2023
15
Depress
switch.
1
Depress
switch.
121
Depress
switch.
723
Depress DISP switch.
2023
Combination meter
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
M24
3
M30
24
Yes
24
33
4
31
Combination meter
Ground
Continuity
Connector
Terminal
M24
3
—
No
24
4
AV-42
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
STEERING SWITCH
Check continuity between combination switch connectors M30 and M149.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace spiral cable. Refer to
SR-15, "Removal and Installation"
4.
CHECK HARNESS BETWEEN COMBINATION METER AND AUDIO UNIT
1. Disconnect audio unit connector M123.
2. Check continuity between combination meter connector M24 and audio unit connector M123.
3. Check continuity between combination meter connector M24 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK AUDIO UNIT VOLTAGE
1. Connect combination meter connector M24 and audio unit connector M123.
2. Turn ignition switch ON.
3. Check the voltage between the terminals of audio unit connector M123.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-82, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-46, "Removal and Installation"
.
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M149
14
Yes
31
15
33
17
Combination meter
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
M24
14
M123
6
Yes
15
16
16
15
Combination meter
Ground
Continuity
Connector
Terminal
M24
14
—
No
15
16
Audio unit M123
Voltage
(Approx.)
(+)
(
−)
Terminal
Terminal
6
15
5.0 V
16
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