Nissan Quest E52. Manual - part 123
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-371
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
TEL ADAPTER UNIT
TEL ADAPTER UNIT : Diagnosis Procedure
INFOID:0000000009652175
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between TEL adapter unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector.
3.
Check continuity between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Connector
Terminal No.
Ignition switch position
Continuity
Ground
B49
15
OFF
Existed
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
TEL adapter unit
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
M138
1
4
OFF
9.0 - 16.0 V
Battery voltage
ACC power supply
2
ACC
7.0 - 16.0 V
Signal name
Connector
Terminal
Ignition switch position
Continuity
Ground
M138
4
OFF
Existed