Nissan Frontier. Manual — part 19
AV-68
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO (FOR MEXICO)]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Description
INFOID:0000000010227920
The audio unit sends audio signals to the rear door speakers using the rear door speaker circuits.
Diagnosis Procedure
INFOID:0000000010227921
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 FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio unit connector M12 and suspect rear door speaker connector.
2. Check continuity between audio unit connector M12 and suspect rear door speaker connector.
3. Check continuity between audio unit connector M12 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK FRONT DOOR SPEAKER SIGNAL
1. Connect audio unit connector M12 and suspect rear door speaker connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M12.
Audio unit
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
M12
4
D207 (LH)
1
Yes
5
2
13
D307 (RH)
1
14
2
Audio unit
Ground
Continuity
Connector
Terminal
M12
4
—
No
5
13
14
Audio unit connector M12
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
REAR DOOR SPEAKER
AV-69
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO (FOR MEXICO)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-87, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-84, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV-70
< ECU DIAGNOSIS INFORMATION >
[BASE AUDIO (FOR MEXICO)]
AUDIO UNIT
ECU DIAGNOSIS INFORMATION
AUDIO UNIT
Reference Value
INFOID:0000000010227922
TERMINAL LAYOUT
PHYSICAL VALUES
AWNIA3314ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
2
(BR)
3
(L)
Sound signal front door
speaker and front tweeter
LH
Output
Ignition
switch
ON
Audio output
4
(G)
5
(B)
Sound signal rear door
speaker LH
Output
Ignition
switch
ON
Audio output
7
(G/B)
Ground ACC power supply
Input
Ignition
switch
ACC or
ON
—
Battery voltage
8
(GR)
Ground ILL control
Input
Ignition
switch
ACC or
ON
—
0V
9
(R)
Ground Light switch
Input
Ignition
switch
ACC or
ON
—
Battery voltage
SKIB3609E
SKIB3609E
AV
AUDIO UNIT
AV-71
< ECU DIAGNOSIS INFORMATION >
[BASE AUDIO (FOR MEXICO)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
11
(LG)
12
(R)
Sound signal front door
speaker and front tweeter
RH
Output
Ignition
switch
ON
Voice output
13
(GR)
14
(BG)
Sound signal rear door
speaker RH
Output
Ignition
switch
ON
Voice output
19
(Y)
Ground Battery power supply
Input
Ignition
switch
OFF
—
Battery voltage
22
(B)
Ground AM-FM main antenna
Input
ON
—
5.0 V
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
SKIB3609E
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