Nissan Frontier. Manual — part 35
AV-132
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
2. Disconnect audio unit connector M45 and rear view camera connector.
3. Check continuity between audio unit connector M45 and rear view camera connector C251.
4. Check continuity between audio unit connector M45 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK CAMERA GROUND CIRCUIT CONTINUITY
Check continuity between audio unit connector M45 and rear view camera connector C251.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connectors.
6.
CHECK CAMERA IMAGE SIGNAL
1. Connect audio unit connector M45 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to R (reverse).
4. Check signal between audio unit connector M45 and ground.
Is the inspection result normal?
YES
>> Replace audio unit. Refer to
AV-146, "Removal and Installation"
.
NO
>> Replace rear view camera.
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M45
35
C251
3
Yes
Audio unit
Ground
Continuity
Connector
Terminal
M45
35
No
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M45
36
C251
6
Yes
Audio unit
Ground
Condition
Reference value
(+)
(
−)
Connector
Terminal
M45
35
—
Camera image dis-
played.
SKIB2251J
AV
STEERING SWITCH
AV-133
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH
Diagnosis Procedure
INFOID:0000000009482116
Regarding Wiring Diagram information, refer to
.
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Disconnect combination switch connector M102.
2. Check resistance between combination switch connector terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace steering wheel audio control switches. Refer to
AV-150, "Removal and Installation"
.
2.
CHECK HARNESS BETWEEN BLUETOOTH
®
CONTROL UNIT AND COMBINATION SWITCH
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B141 and combination switch connector M30.
3. Check continuity between Bluetooth
®
control unit connector B141 and combination switch connector M30.
4. Check continuity between Bluetooth
®
control unit connector B141 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
SPIRAL CABLE CHECK
Check continuity between combination switch connectors M30 and M102.
Combination switch connector M102
Condition
Resistance (
Ω)
(Approx.)
Terminal
Terminal
16
18
Depress VOL DOWN switch.
1
Depress VOL UP switch.
121
Depress
switch.
321
15
Depress MODE switch.
1
Depress
switch.
121
Depress
switch.
321
Depress
switch.
723
Bluetooth
®
control unit
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
B141
12
M30
24
Yes
13
25
14
31
Bluetooth
®
control unit
—
Continuity
Connector
Terminal
B141
12
Ground
No
13
14
AV-134
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
STEERING SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace spiral cable. Refer to
SR-13, "Removal and Installation"
4.
CHECK HARNESS BETWEEN BLUETOOTH
®
CONTROL UNIT AND AUDIO UNIT
1. Disconnect audio unit connector M44.
2. Check continuity between Bluetooth
®
control unit connector B141 and audio unit connector M44.
3. Check continuity between Bluetooth
®
control unit connector B141 and ground.
Is the inspection result normal?
YES
>> Replace audio unit. Refer to
AV-146, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M102
15
Yes
25
16
31
18
Bluetooth
®
control unit
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
B141
17
M44
6
Yes
18
16
19
15
Bluetooth
®
control unit
—
Continuity
Connector
Terminal
B141
17
Ground
No
18
19
AV
MICROPHONE SIGNAL CIRCUIT
AV-135
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009482117
Regarding Wiring Diagram information, refer to
.
1.
CHECK HARNESS BETWEEN BLUETOOTH
®
CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B141 and microphone connector.
3. Check continuity between Bluetooth
®
control unit connector B141 and microphone connector R8.
4. Check continuity between Bluetooth
®
control unit connector B141 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth
®
control unit connector B141 and microphone connector.
2. Turn ignition switch ON.
3. Check voltage between microphone connector R8 terminal 4 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace Bluetooth
®
control unit. Refer to
AV-151, "Removal and Installation"
3.
CHECK MICROPHONE SIGNAL
Check signal between Bluetooth
®
control unit connector B141 with CONSULT or and oscilloscope.
Bluetooth
®
control unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
B141
7
R8
1
Yes
8
2
29
4
Bluetooth
®
control unit
—
Continuity
Connector
Terminal
B141
7
Ground
No
8
29
Microphone
Ground
Value (Approx.)
Connector
Terminal
R8
4
—
5V
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