Nissan Xterra. Manual — part 50
AV-192
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
AMP. ON SIGNAL CIRCUIT
AMP. ON SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009485308
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 AV CONTROL UNIT AMP. ON SIGNAL
Check voltage between AV control unit connector M96 and ground.
Is inspection result normal?
YES
>> Repair or replace harness or connectors.
NO
>> Replace AV control unit. Refer to
AV-218, "Removal and Installation"
.
Audio amplifier
Ground
Voltage
(Approx.)
Connector
Terminal
B159
9
—
Greater than 6.5 V
AV control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M96
1
—
Greater than 6.5 V
AV
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
AV-193
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009485309
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 AV control unit connector M97 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 AV control unit connector M97 and rear view camera connector.
3. Check continuity between AV control unit connector M97 and rear view camera connector D506.
4. Check continuity between AV control unit connector M97 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 AV control unit connector M97 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to R (reverse).
4. Check voltage between AV control unit connector M97 and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit. Refer to
AV-218, "Removal and Installation"
.
4.
CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
AV control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M97
28
—
Selector lever in R (re-
verse)
Battery Voltage
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M97
34
D506
1
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M97
34
No
AV control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M97
34
—
Selector lever is in “R”.
6.0 V
AV-194
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
2. Disconnect AV control unit connector M97 and rear view camera connector.
3. Check continuity between AV control unit connector M97 and rear view camera connector D506.
4. Check continuity between AV control unit connector M97 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 AV control unit connector M97 and rear view camera connector D506.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connectors.
6.
CHECK CAMERA IMAGE SIGNAL
1. Connect AV control unit connector M97 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to R (reverse).
4. Check signal between AV control unit connector M97 and ground.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-218, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-233, "Removal and Installation"
.
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M97
36
D506
3
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M97
36
No
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M97
35
D506
4
Yes
AV control unit Connector M97
Condition
Reference value
(+)
(
−)
Terminal
Terminal
36
35
Camera image displayed.
SKIB2251J
AV
STEERING SWITCH
AV-195
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH
Diagnosis Procedure
INFOID:0000000009485310
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-225, "Removal and Installation"
.
2.
CHECK HARNESS BETWEEN AV CONTROL UNIT AND COMBINATION SWITCH
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M96 and combination switch connector M30.
3. Check continuity between AV control unit connector M96 and combination switch connector M30.
4. Check continuity between AV control unit connector M96 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
AV control unit
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
M96
6
M30
24
Yes
16
25
15
31
AV control unit
—
Continuity
Connector
Terminal
M96
6
Ground
No
16
15
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