Nissan Murano. Instruction — part 296
DAS-74
< DTC/CIRCUIT DIAGNOSIS >
[LDW]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
CAMERA CONTROL UNIT
CAMERA CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009723269
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK CAMERA CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between camera control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the camera control unit power supply circuit.
3.
CHECK CAMERA CONTROL UNIT GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the camera control unit connector.
3.
Check for continuity between camera control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the camera control unit ground circuit.
PUMP CONTROL UNIT
PUMP CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009723270
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
Power source
Fuse No.
Battery power supply
6
Ignition signal
3
Terminal
Condition
Standard
voltage
Reference
voltage
(Approx.)
(+)
(–)
Camera control unit
Ignition
switch
Connector
Terminal
Connector
Terminal
B92
2
B92
1
OFF
9.5 - 16 V
Battery volt-
age
3
OFF
0 - 0.1 V
0 V
ON
9.5 - 16 V
Battery volt-
age
Camera control unit
Ground
Continuity
Connector
Terminal
B92
1
Existed
Power source
Fuse No.
Ignition power supply
47
DAS
POWER SUPPLY AND GROUND CIRCUIT
DAS-75
< DTC/CIRCUIT DIAGNOSIS >
[LDW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK PUMP CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between pump control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the pump control unit power supply circuit.
3.
CHECK PUMP CONTROL UNIT GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the pump control unit connector.
3.
Check for continuity between pump control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the pump control unit ground circuit.
Terminal
Condition
Standard
voltage
Reference
voltage
(+)
(–)
Pump control unit
Ignition
switch
Connector
Terminal
Connector
Terminal
D170
12
D170
5
OFF
0 - 0.1 V
0 V
ON
9.5 - 16 V
Battery volt-
age
Pump control unit
Ground
Continuity
Connector
Terminal
D170
5
Existed
DAS-76
< DTC/CIRCUIT DIAGNOSIS >
[LDW]
WARNING SYSTEMS SWITCH CIRCUIT
WARNING SYSTEMS SWITCH CIRCUIT
Component Function Check
INFOID:0000000009723271
1.
CHECK WARNING SYSTEMS SWITCH INPUT SIGNAL
1.
Turn the ignition switch ON.
2.
Select the DATA MONITOR item “ITS SW 1” of “AVM” with CONSULT.
3.
With operating the warning systems switch, check the monitor status.
Is the inspection result normal?
YES
>> Warning systems switch circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009723272
1.
CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT
1.
Turn the ignition switch ON.
2.
Check voltage between camera control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace the camera control unit. Refer to
DAS-94, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK WARNING SYSTEMS SWITCH
1.
Turn ignition switch OFF.
2.
Remove warning systems switch.
3.
Check warning systems switch. Refer to
DAS-101, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the warning systems switch. Refer to
DAS-101, "Removal and Installation"
3.
CHECK WARNING SYSTEMS SWITCH GROUND CIRCUIT
Check continuity between warning systems switch harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT CIRCUIT FOR OPEN
1.
Disconnect the camera control unit connector.
Monitor item
Condition
Monitor status
ITS SW 1
Warning systems switch is pressed
On
Warning systems switch is not pressed
OFF
Terminals
Condition
Standard
voltage
Reference
voltage
(+)
(
−
)
Camera control unit
Ground
Warning
systems
switch
Connector
Terminal
B92
17
Pressed
0 - 0.1 V
0 V
Released
9.5 - 16 V
12 V
Warning systems switch
Ground
Continuity
Connector
Terminal
M39
6
Existed
DAS
WARNING SYSTEMS SWITCH CIRCUIT
DAS-77
< DTC/CIRCUIT DIAGNOSIS >
[LDW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
2.
Check continuity between the camera control unit harness connector and warning systems switch har-
ness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair the harnesses or connectors.
5.
CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT CIRCUIT FOR SHORT
Check continuity between the camera control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace the camera control unit. Refer to
DAS-94, "Removal and Installation"
.
NO
>> Repair the harnesses or connectors.
Component Inspection
INFOID:0000000009723273
1.
CHECK WARNING SYSTEMS SWITCH
Check continuity of warning systems switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace warning systems switch.
Camera control unit
Warning systems switch
Continuity
Connector
Terminal
Connector
Terminal
B92
17
M39
7
Existed
Camera control unit
Ground
Continuity
Connector
Terminal
B92
17
Not existed
Terminal
Condition
Continuity
7
9
When warning systems switch is pressed
Existed
When warning systems switch is released
Not existed
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