Nissan Murano. Manual — part 1203
POWER RETURN MOTOR
SE-35
< DTC/CIRCUIT DIAGNOSIS >
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POWER RETURN MOTOR
LH
LH : Description
INFOID:0000000009718732
Operate the rear seatback.
LH : Component Function Check
INFOID:0000000009718733
1.
CHECK FUNCTION
Check that the rear seatback (LH) rises when pressing and holding the power return switch (LH).
Is the inspection result normal?
YES
>> Power return motor (LH) is OK.
NO
>> Refer to
SE-35, "LH : Diagnosis Procedure"
LH : Diagnosis Procedure
INFOID:0000000009718734
1.
CHECK POWER RETURN MOTOR (LH) INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between power return motor assembly (LH) harness connector and ground.
Is the inspection result normal?
YES
>> Replace power return motor assembly (LH) [reclining device assembly (LH)]. Refer to
NO
>> GO TO 2.
2.
CHECK POWER RETURN MOTOR (LH) CIRCUIT
1.
Disconnect rear seatback power return control unit connector and power return motor assembly (LH) con-
nector.
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"
(+)
(–)
Condition
Voltage (V)
(Approx.)
Power return motor assembly (LH)
Connector
Terminal
B498
1
Ground
During the power return motor (LH) return op-
eration
Battery voltage
Other than the above
0
5
During the power return motor (LH) reverse
operation
Battery voltage
Other than the above
0
Rear seatback power return control unit
Power return motor assembly (LH)
Continuity
Connector
Terminal
Connector
Terminal
B492
5
B498
5
Existed
6
1
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
5
Not existed
6
SE-36
< DTC/CIRCUIT DIAGNOSIS >
POWER RETURN MOTOR
NO
>> Repair or replace harness.
RH
RH : Description
INFOID:0000000009718735
Operate the rear seatback.
RH : Component Function Check
INFOID:0000000009718736
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
>> Power return motor (RH) is OK.
NO
>> Refer to
SE-36, "RH : Diagnosis Procedure"
.
RH : Diagnosis Procedure
INFOID:0000000009718737
1.
CHECK POWER RETURN MOTOR (RH) INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between power return motor assembly (RH) harness connector and ground.
Is the inspection result normal?
YES
>> Replace power return motor assembly (RH) [reclining device assembly (RH)]. Refer to
.
NO
>> GO TO 2.
2.
CHECK POWER RETURN MOTOR (RH) CIRCUIT
1.
Disconnect rear seatback power return control unit connector and power return motor assembly (RH) con-
nector.
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.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Power return motor assembly (RH)
Connector
Terminal
B494
1
Ground
During the power return motor (RH) return op-
eration
Battery voltage
Other than the above
0
5
During the power return motor (RH) reverse
operation
Battery voltage
Other than the above
0
Rear seatback power return control unit
Power return motor assembly (RH)
Continuity
Connector
Terminal
Connector
Terminal
B492
7
B494
5
Existed
8
1
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
7
Not existed
8
VEHICLE SPEED SIGNAL CIRCUIT
SE-37
< DTC/CIRCUIT DIAGNOSIS >
C
D
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F
G
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B
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VEHICLE SPEED SIGNAL CIRCUIT
Description
INFOID:0000000009718738
Transmits vehicle speed signal to rear seatback power return control unit.
Component Function Check
INFOID:0000000009718739
1.
CHECK FUNCTION
Check that the rear seatback rises when pressing and holding the power return switch.
Is the inspection result normal?
YES
>> Vehicle speed signal circuit is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009718740
1.
CHECK VEHICLE SPEED OPERATION
1.
Check speed meter operate normally.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refer to
2.
CHECK VEHICLE SPEED INPUT SIGNAL
Check voltage between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Refer to
3.
CHECK VEHICLE SPEED SIGNAL CIRCUIT
1.
Disconnect rear seatback power return control unit connector and combination meter connector.
2.
Check continuity between power return control unit harness connector and combination meter harness
connector.
3.
Check continuity between rear seatback power return control unit harness connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B493
24
Ground
When vehicle speed is ap-
prox.40 km/h (25MPH)
NOTE:
Maximum voltage may be 12V due
to specifications (connected units)
SKIA6649J
Rear seatback power return control unit
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
B493
24
M34
31
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B493
24
Not existed
SE-38
< DTC/CIRCUIT DIAGNOSIS >
VEHICLE SPEED SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
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