Infiniti EX35. Manual — part 73
AV
STEERING ANGLE SENSOR SIGNAL CIRCUIT
AV-73
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
3.
Turn ignition switch ON.
4.
Check signal between camera control unit harness connector and ground.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering angle sensor.
(+)
(
−
)
Condition
Reference value
Camera control unit
Connector
Terminals
B50
23, 24
Ground
Turn the steering to the right
A: Sensor signal 1
B: Sensor signal 2
Turn the steering to the left
A: Sensor signal 1
B: Sensor signal 2
25
Ground
Turn the steering around the
neutral position
A: Sensor signal 3
B: Sensor signal 1
SKIB3827E
SKIB3828E
SKIB3829E
AV-74
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL A CIRCUIT
STEERING SWITCH SIGNAL A CIRCUIT
Description
INFOID:0000000003508418
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000003508419
1.
CHECK STEERING SWITCH SIGNAL A 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 the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is the 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 the 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
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M81
6
M36
24
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M81
6
Not existed
(+)
(
−
)
Reference
value
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M81
6
M81
15
3.3 V
AV
STEERING SWITCH SIGNAL A CIRCUIT
AV-75
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Component Inspection
INFOID:0000000003508420
Measure the resistance between the steering switch connector.
JSNIA0215GB
Steering switch
Steering switch
Condition
Resistance value
(
Ω
)
Connector
Terminals
Connector
Terminal
M303
14
M303
17
SOURCE switch ON
0
MENU UP switch ON
120 – 122
MENU DOWN switch ON
318 – 324
15
VOL DOWN switch ON
0
VOL UP switch ON
120 – 122
AV-76
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL B CIRCUIT
STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000003508421
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000003508422
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 the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is the 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 the 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
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M81
16
M36
31
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M81
16
Not existed
(+)
(
−
)
Reference
value
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M81
16
M81
15
3.3 V
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