Nissan Murano. Instruction — part 1201
RETURN COMPLETE LIMIT SWITCH
SE-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
2.
Check continuity between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK RETURN COMPLETE LIMIT SWITCH (LH)
Check return complete limit switch (LH).
Refer to
SE-27, "LH : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace return complete limit switch (LH) [reclining device assembly (LH)]. Refer to
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
LH : Component Inspection
INFOID:0000000009718721
COMPONENT INSPECTION
1.
CHECK RETURN COMPLETE LIMIT SWITCH (LH)
1.
Turn ignition switch OFF.
2.
Disconnect return complete limit switch (LH) connector.
3.
Check return complete limit switch (LH) terminals.
Is the inspection result normal?
YES
>> Return complete limit switch (LH) is OK.
NO
>> Replace return complete limit switch (LH) [reclining device assembly (LH)]. Refer to
RH
RH : Description
INFOID:0000000009718722
Detect the return completion position of rear seatback (RH).
RH : Component Function Check
INFOID:0000000009718723
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
>> Return complete limit switch (RH) is OK.
NO
>> Refer to
SE-28, "RH : Diagnosis Procedure"
.
Rear seatback power return control unit
Return complete limit switch (LH)
Continuity
Connector
Terminal
Connector
Terminal
B493
31
B500
2
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B493
31
Not existed
Return complete limit switch (LH) connector
Terminal
Condition
Continuity
B500
1
2
Return complete limit switch (LH) is pressed
Existed
Return complete limit switch (LH) is released
Not existed
SE-28
< DTC/CIRCUIT DIAGNOSIS >
RETURN COMPLETE LIMIT SWITCH
RH : Diagnosis Procedure
INFOID:0000000009718724
1.
CHECK REAR SEATBACK POWER RETURN CONTROL UNIT OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect return complete limit switch (RH) connector.
3.
Check voltage between return complete limit switch (RH) harness connector and ground.
NOTE:
It is not low power consumption mode.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK RETURN COMPLETE LIMIT SWITCH (RH) SIGNAL CIRCUIT
1.
Disconnect rear seatback power return control unit connector.
2.
Check continuity between rear seatback power return control unit harness connector and return complete
limit switch (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.
3.
CHECK RETURN COMPLETE LIMIT SWITCH (RH) GROUND CIRCUIT
1.
Check continuity between rear seatback power return control unit harness connector and return complete
limit switch (RH) harness connector.
2.
Check continuity between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK RETURN COMPLETE LIMIT SWITCH (RH)
Check return complete limit switch (RH).
Refer to
SE-29, "RH : Component Inspection"
(+)
(–)
Voltage (V)
(Approx.)
Return complete limit switch (RH)
Connector
Terminal
B496
1
Ground
Battery voltage
Rear seatback power return control unit
Return complete limit switch (RH)
Continuity
Connector
Terminal
Connector
Terminal
B493
30
B496
1
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B493
30
Not existed
Rear seatback power return control unit
Return complete limit switch (RH)
Continuity
Connector
Terminal
Connector
Terminal
B493
23
B496
2
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B493
23
Not existed
RETURN COMPLETE LIMIT SWITCH
SE-29
< 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 5.
NO
>> Replace return complete limit switch (RH) [reclining device assembly (RH)]. Refer to
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
RH : Component Inspection
INFOID:0000000009718725
COMPONENT INSPECTION
1.
CHECK RETURN COMPLETE LIMIT SWITCH (RH)
1.
Turn ignition switch OFF.
2.
Disconnect return complete limit switch (RH) connector.
3.
Check return complete limit switch (RH) terminals.
Is the inspection result normal?
YES
>> Return complete limit switch (RH) is OK.
NO
>> Replace return complete limit switch (RH) [reclining device assembly (RH)]. Refer to
Return complete limit switch (RH) connector
Terminal
Condition
Continuity
B496
1
2
Return complete limit switch (RH) is pressed
Existed
Return complete limit switch (RH) is released
Not existed
SE-30
< DTC/CIRCUIT DIAGNOSIS >
MOTOR SENSOR
MOTOR SENSOR
LH
LH : Description
INFOID:0000000009718726
Detect the operation condition of power return motor (LH).
LH : Component Function Check
INFOID:0000000009718727
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
>> Motor sensor (LH) is OK.
NO
>> Refer to
SE-30, "LH : Diagnosis Procedure"
LH : Diagnosis Procedure
INFOID:0000000009718728
1.
CHECK MOTOR SENSOR (LH) 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 (LH) SIGNAL CIRCUIT
1.
Disconnect power return motor assembly (LH) connector and rear seatback power return control unit con-
nector.
2.
Check continuity between power return motor assembly (LH) harness connector and rear seatback power
return control unit harness connector.
3.
Check continuity between power return motor assembly (LH) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B492
10
Ground
During the power return motor
(LH) 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 (LH)
Continuity
Connector
Terminal
Connector
Terminal
B492
10
B498
3
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
10
Not existed
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