Nissan Murano. Instruction — part 1202
MOTOR SENSOR
SE-31
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
NO
>> Repair or replace harness.
3.
CHECK MOTOR SENSOR (LH) POWER SUPPLY
1.
Connect rear seatback power return control unit connector.
2.
Check voltage between power return motor assembly (LH) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK MOTOR SENSOR (LH) POWER SUPPLY CIRCUIT
1.
Disconnect rear seatback power return control unit connector.
2.
Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (LH) harness connector.
3.
Check continuity between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear seatback power return control unit. Refer to
SE-120, "Removal and Installation"
NO
>> Repair or replace harness.
5.
CHECK MOTOR SENSOR (LH) GROUND CIRCUIT 1
1.
Disconnect rear seatback power return control unit connector.
2.
Check continuity between rear seatback power return control unit harness connector and power return
motor assembly harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK MOTOR SENSOR (LH) GROUND CIRCUIT 2
1.
Connect rear seatback power return control unit connector.
2.
Check between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace motor sensor (LH) [reclining device assembly (LH)]. Refer to
.
NO
>> Replace rear seatback power return control unit. Refer to
SE-120, "Removal and Installation"
(+)
(–)
Condition
Voltage (V)
(Approx.)
Power return motor assembly (LH)
Connector
Terminal
B498
6
Ground
When the power return motor is operated
Battery voltage
Rear seatback power return control unit
Power return motor assembly (LH)
Continuity
Connector
Terminal
Connector
Terminal
B492
11
B498
6
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
11
Not existed
Rear seatback power return control unit
Power return motor assembly (LH)
Continuity
Connector
Terminal
Connector
Terminal
B492
9
B498
4
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
9
Existed
SE-32
< DTC/CIRCUIT DIAGNOSIS >
MOTOR SENSOR
7.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
RH
RH : Description
INFOID:0000000009718729
Detect the operation condition of power return motor (RH).
RH : Component Function Check
INFOID:0000000009718730
1.
CHECK FUNCTION
Check that the rear seatback (RH) rises when pressing and holding the power return switch (RH).
Is the inspection result normal?
YES
>> Motor sensor (RH) is OK.
NO
>> Refer to
SE-32, "RH : Diagnosis Procedure"
.
RH : Diagnosis Procedure
INFOID:0000000009718731
1.
CHECK MOTOR SENSOR (RH) OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK MOTOR SENSOR (RH) SIGNAL CIRCUIT
1.
Disconnect power return motor assembly (RH) connector and rear seatback power return control unit con-
nector.
2.
Check continuity between power return motor assembly (RH) harness connector and rear seatback power
return control unit harness connector.
3.
Check continuity between power return motor assembly (RH) harness connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B492
2
Ground
During the power return motor
(RH) operation
When pinching between LH/RH
seats occurs
The above pulse width should be
expanded
JMKIA0070GB
Rear seatback power return control unit
Power return motor assembly (RH)
Continuity
Connector
Terminal
Connector
Terminal
B492
2
B494
3
Existed
MOTOR SENSOR
SE-33
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK MOTOR SENSOR (RH) POWER SUPPLY
1.
Connect rear seatback power return control unit connector.
2.
Check voltage between power return motor assembly (RH) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK MOTOR SENSOR (RH) POWER SUPPLY CIRCUIT
1.
Disconnect rear seatback power return control unit connector.
2.
Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (RH) harness connector.
3.
Check continuity between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear seatback power return control unit. Refer to
SE-120, "Removal and Installation"
NO
>> Repair or replace harness.
5.
CHECK MOTOR SENSOR (RH) GROUND CIRCUIT 1
1.
Disconnect rear seatback power return control unit connector.
2.
Check continuity between rear seatback power return control unit harness connector power return motor
assembly harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK MOTOR SENSOR (RH) GROUND CIRCUIT 2
1.
Connect rear seatback power return control unit connector.
2.
Check between rear seatback power return control unit harness connector and ground.
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
2
Not existed
(+)
(–)
Condition
Voltage (V)
(Approx.)
Power return motor assembly (RH)
Connector
Terminal
B494
6
Ground
When the power return motor is operated
Battery voltage
Rear seatback power return control unit
Power return motor assembly (RH)
Continuity
Connector
Terminal
Connector
Terminal
B492
3
B494
6
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
3
Not existed
Rear seatback power return control unit
Power return motor assembly (RH)
Continuity
Connector
Terminal
Connector
Terminal
B492
1
B494
4
Existed
SE-34
< DTC/CIRCUIT DIAGNOSIS >
MOTOR SENSOR
Is the inspection result normal?
YES
>> Replace motor sensor (RH) [reclining device assembly (RH)]. Refer to
NO
>> Replace rear seatback power return control unit. Refer to
SE-120, "Removal and Installation"
7.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
9
Existed
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