Nissan Murano Z51 (2008 year). Manual — part 101
DLK-148
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
AUTOMATIC BACK DOOR CLOSE SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK AUTOMATIC BACK DOOR CLOSE SWITCH
DLK-148, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace automatic back door close switch. Refer to
DLK-382, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003443849
1.
CHECK AUTOMATIC BACK DOOR CLOSE SWITCH
Check automatic back door close switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace automatic back door close switch. Refer to
DLK-382, "Removal and Installation"
.
Automatic back door close switch
Ground
Continuity
Connector
Terminal
D178
2
Existed
Terminal
Condition
Continuity
Automatic back door close switch
1
2
Automatic back door
close switch
Pressed
Existed
Released
Not existed
Revision: 2008 October
2009 Murano
AUTOMATIC BACK DOOR MAIN SWITCH
DLK-149
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
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DLK
N
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AUTOMATIC BACK DOOR MAIN SWITCH
Description
INFOID:0000000003443850
When the main switch is turned to OFF, the automatic power back door operation is not available by back door
opener switch and automatic back door close switch.
Component Function Check
INFOID:0000000003443851
1.
CHECK FUNCTION
Check automatic back door main switch (“MAIN SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Automatic back door main switch is OK.
NO
>> Refer to
DLK-149, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000003443852
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door main switch connector.
3.
Check voltage between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK AUTOMATIC BACK DOOR MAIN SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and automatic back door
main switch harness connector.
3.
Check continuity between automatic back door control unit connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK AUTOMATIC BACK DOOR MAIN SWITCH GROUND CIRCUIT
Check continuity between automatic back door main switch connector and ground.
Monitor item
Condition
Status
MAIN SW
Automatic back door main switch
ON
ON
OFF
OFF
(+)
(–)
Voltage (V)
(Approx.)
Automatic back door main switch
Connector
Terminal
M110
1
Ground
Battery voltage
Automatic back door control unit
Automatic back door main switch
Continuity
Connector
Terminal
Connector
Terminal
B8
17
M110
1
Existed
Automatic back door control unit
connector
Terminal
Ground
Continuity
B8
17
Not existed
Revision: 2008 October
2009 Murano
DLK-150
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
AUTOMATIC BACK DOOR MAIN SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK AUTOMATIC BACK DOOR MAIN SWITCH
DLK-150, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace automatic back door main switch. Refer to
DLK-381, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003443853
1.
CHECK AUTOMATIC BACK DOOR MAIN SWITCH
Check automatic back door main switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace automatic back door main switch. Refer to
DLK-381, "Removal and Installation"
.
Automatic back door main switch
Ground
Continuity
Connector
Terminal
M110
3
Existed
Terminal
Condition
Continuity
Automatic back door main switch
1
3
Automatic back door
main switch
ON
Existed
OFF
Not existed
Revision: 2008 October
2009 Murano
AUTOMATIC BACK DOOR SWITCH
DLK-151
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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N
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AUTOMATIC BACK DOOR SWITCH
Description
INFOID:0000000003443854
Automatic back door system can be operated from driver seat area by automatic back door switch.
Component Function Check
INFOID:0000000003443855
1.
CHECK FUNCTION
Check automatic back door switch (“AUTO BD SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Automatic back door switch is OK.
NO
>> Refer to
DLK-151, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000003443856
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door switch connector.
3.
Check voltage between automatic back door switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK AUTOMATIC BACK DOOR SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and automatic back door
switch harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK AUTOMATIC BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between automatic back door switch harness connector and ground.
Monitor item
Condition
Status
AUTO BD SW
Automatic back door switch
Pressed
ON
Released
OFF
(+)
(–)
Voltage (V)
(Approx.)
Automatic back door switch
Connector
Terminal
M111
1
Ground
Battery voltage
Automatic back door control unit
Automatic back door switch
Continuity
Connector
Terminal
Connector
Terminal
B8
2
M111
1
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
2
Not existed
Revision: 2008 October
2009 Murano
DLK-152
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
AUTOMATIC BACK DOOR SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK AUTOMATIC BACK DOOR SWITCH
DLK-152, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace automatic back door switch. Refer to
DLK-383, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003443857
1.
CHECK AUTOMATIC BACK DOOR SWITCH
Check automatic back door switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace automatic back door switch. Refer to
DLK-383, "Removal and Installation"
.
Automatic back door switch
Ground
Continuity
Connector
Terminal
M111
2
Existed
Terminal
Condition
Continuity
Automatic back door switch
1
2
Automatic back door switch
Pressed
Existed
Released
Not existed
Revision: 2008 October
2009 Murano
OPEN SWITCH
DLK-153
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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N
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OPEN SWITCH
Description
INFOID:0000000003646510
The open switch is integrated in the door lock assembly, and it detects the open condition of the back door
lock.
Component Function Check
INFOID:0000000003443870
1.
CHECK FUNCTION
Check open switch (“OPEN SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Open switch is OK.
NO
>> Refer to
DLK-153, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000003443871
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK OPEN SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK OPEN SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly connector and ground.
Monitor item
Condition
Status
OPEN SW
Back door lock
Fully closed/Half latch
OFF
Open
ON
(+)
(–)
Voltage (V)
(Approx.)
Back door lock assembly
Connector
Terminal
D179
4
Ground
Battery voltage
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
20
D179
4
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
20
Not existed
Revision: 2008 October
2009 Murano
DLK-154
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
OPEN SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK OPEN SWITCH
DLK-154, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003443872
COMPONENT INSPECTION
1.
CHECK OPEN SWITCH
Check back door lock assembly (open switch).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Condition
Continuity
Back door lock assembly (open switch)
4
8
Back door lock
Open
Existed
Fully closed/Half latch
Not existed
Revision: 2008 October
2009 Murano
CLOSE SWITCH
DLK-155
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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CLOSE SWITCH
Description
INFOID:0000000003646509
The close switch is integrated in the door lock assembly, and it detects the close condition of the back door
lock.
Component Function Check
INFOID:0000000003443865
1.
CHECK FUNCTION
Check close switch (“CLOSE SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Close switch is OK.
NO
>> Refer to
DLK-155, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000003443866
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK CLOSE SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Monitor item
Condition
Status
CLOSE SW
Back door lock
Open/Half latch
OFF
Fully closed
ON
(+)
(–)
Voltage (V)
(Approx.)
Back door lock assembly
Connector
Terminal
D179
5
Ground
Battery voltage
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
19
D179
5
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
19
Not existed
Revision: 2008 October
2009 Murano
DLK-156
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
CLOSE SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK CLOSE SWITCH
DLK-156, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003443867
COMPONENT INSPECTION
1.
CHECK CLOSE SWITCH
Check back door lock assembly (close switch).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Condition
Continuity
Back door lock assembly (close switch)
5
8
Back door lock position
Fully closed
Existed
Open/Half latch
Not existed
Revision: 2008 October
2009 Murano
HALF LATCH SWITCH
DLK-157
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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N
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HALF LATCH SWITCH
Description
INFOID:0000000003646511
The half latch switch is integrated in the back door lock assembly and it detects the half latch condition of the
back door lock.
Component Function Check
INFOID:0000000003443875
1.
CHECK FUNCTION
Check half latch switch (“HALF LATCH SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Half latch switch is OK.
NO
>> Refer to
DLK-157, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000003443876
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK HALF LATCH SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK HALF LATCH SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Monitor item
Condition
Status
HALF LATCH SW
Back door lock
Fully closed/Half latch
OFF
Open
ON
(–)
(–)
Voltage (V)
(Approx.)
Half latch switch
Connector
Terminal
D179
6
Ground
Battery voltage
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
8
D179
6
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
8
Not existed
Revision: 2008 October
2009 Murano
DLK-158
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
HALF LATCH SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK HALF LATCH SWITCH
DLK-158, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003443877
COMPONENT INSPECTION
1.
CHECK HALF LATCH SWITCH
Check back door lock assembly (half latch switch).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Back door lock position
Continuity
Back door lock assembly (half latch switch) connector
6
8
Open
Existed
Fully closed/Half latch
Not existed
Revision: 2008 October
2009 Murano
TOUCH SENSOR
DLK-159
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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TOUCH SENSOR
RH
RH : Description
INFOID:0000000003646512
The touch sensor RH is installed on the right edge of the back door, and it detects any trapped foreign material
in the back door during the auto close operation and at the closure operation.
RH : Component Function Check
INFOID:0000000003591532
1.
CHECK FUNCTION
Check touch sensor RH (“TOUCH SEN RH”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Touch sensor RH is OK.
NO
>> Refer to
DLK-159, "RH : Diagnosis Procedure"
RH : Diagnosis Procedure
INFOID:0000000003591533
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect touch sensor RH connector.
3.
Check voltage between touch sensor RH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK TOUCH SENSOR RH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and touch sensor RH har-
ness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK TOUCH SENSOR RH GROUND CIRCUIT
Monitor item
Condition
Status
TOUCH SEN RH
Touch sensor RH
Other than below
OFF
Detect obstruction
ON
(+)
(–)
Voltage (V)
(Approx.)
Touch sensor RH
Connector
Terminal
D164
1
Ground
6
Automatic back door control unit
Touch sensor RH
Continuity
Connector
Terminal
Connector
Terminal
B8
16
D164
1
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
16
Not existed
Revision: 2008 October
2009 Murano
DLK-160
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
TOUCH SENSOR
Check continuity between automatic back door control unit harness connector and touch sensor RH harness
connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK TOUCH SENSOR RH
DLK-160, "RH : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace touch sensor RH. Refer to
DLK-364, "TOUCH SENSOR : Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
RH : Component Inspection
INFOID:0000000003591534
1.
CHECK TOUCH SENSOR RH
Check touch sensor RH.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace touch sensor RH. Refer to
DLK-364, "TOUCH SENSOR : Removal and Installation"
LH
LH : Description
INFOID:0000000003646513
The touch sensor LH is installed on the light edge of the back door, and it detects any trapped foreign material
in the back door during the auto close operation and at the closure operation.
LH : Component Function Check
INFOID:0000000003591528
1.
CHECK FUNCTION
Check touch sensor LH (“TOUCH SEN LH”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Touch sensor LH is OK.
NO
>> Refer to
DLK-161, "LH : Diagnosis Procedure"
.
Automatic back door control unit
Touch sensor RH
Continuity
Connector
Terminal
Connector
Terminal
B8
15
D164
2
Existed
Terminal
Condition
Resistance
(Approx.)
Touch sensor RH
1
2
Touch sensor RH
Detect obstruction
120
Ω
or less
Other than above
1 k
Ω
±
10%
Monitor item
Condition
Status
TOUCH SEN LH
Touch sensor LH
Other than below
OFF
Detect obstruction
ON
Revision: 2008 October
2009 Murano
TOUCH SENSOR
DLK-161
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
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A
B
DLK
N
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LH : Diagnosis Procedure
INFOID:0000000003591529
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect touch sensor LH connector.
3.
Check voltage between touch sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK TOUCH SENSOR LH CIRCUIT
1.
Disconnect automatic back door control unit.
2.
Check continuity between automatic back door control unit harness connector and touch sensor LH har-
ness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK TOUCH SENSOR LH GROUND CIRCUIT
Check continuity between automatic back door control unit harness connector and touch sensor LH harness
connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK TOUCH SENSOR LH
DLK-162, "LH : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace touch sensor LH. Refer to
DLK-364, "TOUCH SENSOR : Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
(+)
(–)
Voltage (V)
(Approx.)
Touch sensor LH
Connector
Terminal
D165
1
Ground
6
Automatic back door control unit
Touch sensor LH
Continuity
Connector
Terminal
Connector
Terminal
B8
14
D165
1
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
14
Not existed
Automatic back door control unit
Touch sensor LH
Continuity
Connector
Terminal
Connector
Terminal
B8
15
D165
2
Existed
Revision: 2008 October
2009 Murano
DLK-162
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
TOUCH SENSOR
LH : Component Inspection
INFOID:0000000003591530
1.
CHECK TOUCH SENSOR LH
Check touch sensor LH.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace touch sensor LH. Refer to
DLK-364, "TOUCH SENSOR : Removal and Installation"
.
Terminal
Condition
Resistance
(Approx.)
Touch sensor LH
1
2
Touch sensor LH
Detect obstruction
120
Ω
or less
Other than above
1 k
Ω
±
10%
Revision: 2008 October
2009 Murano
ENCODER
DLK-163
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DLK
N
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ENCODER
Description
INFOID:0000000003646514
The automatic back door control unit receives the pulse signals from encoders A and B that occurred due to
synchronization with the back door operation. The automatic back door control unit calculates the back door
position, operation direction, and operation speed according to the received pulse signals.
Component Function Check
INFOID:0000000003443886
1.
CHECK FUNCTION
Check encoder (“ENCODER A”, “ENCODER B”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Encoder is OK.
NO
>> Refer to
DLK-163, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000003443887
1.
CHECK ENCODER POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door unit connector.
3.
Check voltage between automatic back door unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK ENCODER POWER SUPPLY CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and automatic back door
unit harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
Monitor item
Condition
Status
ENCODER A
Back door
Moving
Change HI or LO
Stop
No change HI or LO
ENCODER B
Back door
Moving
Change HI or LO
Stop
No change HI or LO
(+)
(–)
Voltage (V)
(Approx.)
Automatic back door unit connector
Connector
Terminal
B76
2
Ground
Battery voltage
Automatic back door control unit
Automatic back door unit
Continuity
Connector
Terminal
Connector
Terminal
B8
26
B76
2
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
26
Not existed
Revision: 2008 October
2009 Murano
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