Nissan Frontier. Manual — part 56
AV-216
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
AMP ON SIGNAL CIRCUIT
AMP ON SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009482159
Regarding Wiring Diagram information, refer to
.
1.
CHECK AUDIO AMPLIFIER AMP ON SIGNAL
1. Turn audio system ON.
2. Check voltage between audio amplifier connector B159 and ground.
Is inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK AUDIO UNIT AMP ON SIGNAL
Check voltage between audio unit connector M46 and ground.
Is inspection result normal?
YES
>> Repair or replace harness or connectors.
NO
>> Replace audio unit. Refer to
AV-233, "Removal and Installation"
.
Audio amplifier
Ground
Voltage
(Approx.)
Connector
Terminal
B159
9
—
Greater than 6.5 V
Audio unit
Ground
Voltage
(Approx.)
Connector
Terminal
M46
1
—
Greater than 6.5 V
AV
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
AV-217
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
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F
G
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O
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REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009482160
Regarding Wiring Diagram information, refer to
.
1.
CHECK REVERSE INPUT SIGNAL
1. Turn ignition switch ON.
2. Shift the selector lever to R (reverse).
3. Check voltage between audio unit connector M65 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M65 and rear view camera connector.
3. Check continuity between audio unit connector M65 and rear view camera connector C251.
4. Check continuity between audio unit connector M45 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK CAMERA POWER SUPPLY VOLTAGE
1. Connect audio unit connector M65 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to R (reverse).
4. Check voltage between audio unit connector M65 and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace audio unit. Refer to
AV-233, "Removal and Installation"
.
4.
CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
Audio unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M65
50
—
Selector lever in R (re-
verse)
Battery Voltage
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M65
34
C251
1
Yes
Audio unit
Ground
Continuity
Connector
Terminal
M65
34
No
Audio unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M65
34
—
Selector lever is in “R”.
6.0 V
AV-218
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
2. Disconnect audio unit connector M65 and rear view camera connector.
3. Check continuity between audio unit connector M65 and rear view camera connector C251.
4. Check continuity between audio unit connector M65 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 M65 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 M65 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 M65 and ground.
Is the inspection result normal?
YES
>> Replace audio unit. Refer to
AV-233, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-248, "Removal and Installation"
.
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M65
35
C251
3
Yes
Audio unit
Ground
Continuity
Connector
Terminal
M65
35
No
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M65
36
C251
6
Yes
Audio unit
Ground
Condition
Reference value
(+)
(
−)
Connector
Terminal
M65
35
—
Camera image dis-
played.
SKIB2251J
AV
STEERING SWITCH
AV-219
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
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A
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STEERING SWITCH
Diagnosis Procedure
INFOID:0000000009482161
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-240, "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
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