Infiniti EX35. Manual — part 198
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-573
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
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F
G
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B
A
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P
STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000003513833
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000003160735
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector and spiral cable harness connector.
3.
Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-574, "Component Inspection"
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M80
16
M36
31
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M80
16
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M80
16
M80
15
5.0 V
AV-574
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
STEERING SWITCH SIGNAL B CIRCUIT
Component Inspection
INFOID:0000000003566474
Measure the resistance between the steering switch connector.
JSNIA0112GB
Steering switch
Steering switch
Condition
Resistance value
(
Ω
)
Connector
Terminal
Connector
Terminal
M303
14
M303
17
ENTER switch ON
2003 – 2043
switch ON
716 – 730
MENU DOWN switch ON
318 – 324
MENU UP switch ON
120 – 122
SOURCE switch ON
0
15
switch ON
716 – 730
switch ON
318 – 324
VOL UP switch ON
120 – 122
VOL DOWN switch ON
0
AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-575
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH SIGNAL GND CIRCUIT
Description
INFOID:0000000003513834
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000003160738
1.
CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector and spiral cable harness connector.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK GROUND CIRCUIT
1.
Connect AV control unit connector.
2.
Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-575, "Component Inspection"
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
Component Inspection
INFOID:0000000003566475
Measure the resistance between the steering switch connector.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M80
15
M36
33
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M80
15
Not existed
JSNIA0112GB
AV-576
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
STEERING SWITCH SIGNAL GND CIRCUIT
Steering switch
Steering switch
Condition
Resistance value
(
Ω
)
Connector
Terminal
Connector
Terminal
M303
14
M303
17
ENTER switch ON
2003 – 2043
switch ON
716 – 730
MENU DOWN switch ON
318 – 324
MENU UP switch ON
120 – 122
SOURCE switch ON
0
15
switch ON
716 – 730
switch ON
318 – 324
VOL UP switch ON
120 – 122
VOL DOWN switch ON
0
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