Nissan March K13. Manual — part 4
AV
AUDIO UNIT
AV-9
< ECU DIAGNOSIS INFORMATION >
[AUDIO SYSTEM]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
13
(L)
14
(Y)
Sound signal rear door
speaker RH
Output
Ignition
switch
ON
Sound signal output
19
(LG)
Ground
Battery power supply
Input
Ignition
switch
OFF
—
Battery voltage
42
—
Antenna signal
Input
—
—
—
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
AV-10
< WIRING DIAGRAM >
[AUDIO SYSTEM]
AUDIO SYSTEM
WIRING DIAGRAM
AUDIO SYSTEM
Wiring Diagram
INFOID:0000000005986786
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
AV
DIAGNOSIS AND REPAIR WORKFLOW
AV-11
< BASIC INSPECTION >
[AUDIO SYSTEM]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000005911594
OVERALL SEQUENCE
Reference 1···Refer to
DETAILED FLOW
1.
CHECK SYMPTOM
Check the malfunction symptoms by performing the following items.
• Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred).
• Check the symptom.
>> GO TO 2.
2.
PERFORM DIAGNOSIS BY SYMPTOM
Perform the relevant diagnosis referring to the diagnosis chart by symptom. Refer to
.
>> GO TO 3.
3.
REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace the malfunctioning parts.
>> GO TO 4.
4.
FINAL CHECK
JSNIA0669GB
AV-12
< BASIC INSPECTION >
[AUDIO SYSTEM]
DIAGNOSIS AND REPAIR WORKFLOW
Perform the operation to check that the malfunction symptom is solved or any other symptoms are present.
Is there any symptom?
YES
>> GO TO 2.
NO
>> INSPECTION END
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