Nissan Murano. Manual — part 1197
REAR SEATBACK POWER RETURN SYSTEM
SE-11
< SYSTEM DESCRIPTION >
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Low Power Consumption Mode
If all of the following conditions are satisfied for 30 seconds period of time, the system shifts to the low power
consumption mode.
• Power return switch is OFF
• Power return motor does not operate
• Vehicle speed 2 km/h (1 MPH) or less
If any of the following conditions are satisfied, the low power consumption mode is released.
• When the power return switch is pressed
• When the change occurs to the pulse of vehicle speed sensor
There are the following functions as the low power consumption mode.
• Turn the power supply of limit switch to OFF
• Turn the power supply of the motor sensor to OFF when the power return motor is not operated
INPUT/OUTPUT SIGNAL CHART
BUZZER OPERATION PATTERN AND ORDER OF PRIORITY
Item
Input signal to rear seatback
power return control unit
Rear seatback power return
function
Actuator
Power return switch
Power return switch signal
Rear seatback power return
control
Power return motor
Primary position limit switch
Primary position limit switch
signal
Return complete limit switch
Return complete limit switch
signal
Motor sensor
Motor sensor signal
Combination meter
Vehicle speed signal
Operation type
Sound pattern
Priority
Malfunction
1
Return operation completed
2
Start return operation
3
JMJIA1396ZZ
JMJIA1395ZZ
JMJIA1394ZZ
SE-12
< SYSTEM DESCRIPTION >
REAR SEATBACK POWER RETURN SYSTEM
Component Parts Location
INFOID:0000000009718691
Component Description
INFOID:0000000009718692
1.
Rear seatback power return control
unit B492, B493
2.
Front power return switch (LH) M114 3.
Front power return switch (RH) M113
4.
Rear power return switch (LH) B106 5.
Primary position limit switch (RH)
B495
6.
Power return motor assembly (RH)
B494
7.
Sector gear (RH)
8.
Return complete limit switch (RH)
B496
9.
Combination meter M34
A.
Back of rear seat (RH)
B.
Luggage side (LH)
C.
In seat device
JMJIA1410ZZ
Item
Function
Rear seatback power return control unit
Control the rear seatback power return system
Power return motor
Operate the rear seatback
Motor sensor
Detect the operation of power return motor
Power return switch
Switch that performs the return operation
Primary position limit switch
Detect the initial position of sector gear
Return complete limit switch
Detect the return position of rear seatback
Combination meter
Transmit the vehicle speed signal
Sector gear
Transmit the operation of power return motor to rear seatback
POWER SUPPLY AND GROUND CIRCUIT
SE-13
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
REAR SEATBACK POWER RETURN CONTROL UNIT
REAR SEATBACK POWER RETURN CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009718693
1.
CHECK FUSE
Check that the following fuses are not fusing.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear seatback power return control unit connector.
3.
Check voltage between rear seatback power return control unit harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between rear seatback power return control unit harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuse No.
16
Battery power supply
32 (30A)
17
6 (10A)
(+)
(
−
)
Voltage
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B492
16
Ground
Battery voltage
B493
17
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B492
13
Existed
B493
32
SE-14
< DTC/CIRCUIT DIAGNOSIS >
FRONT POWER RETURN SWITCH
FRONT POWER RETURN SWITCH
LH
LH : Description
INFOID:0000000009718694
Switch that performs the return operation.
LH : Component Function Check
INFOID:0000000009718695
1.
CHECK FUNCTION
Check that the rear seatback (LH) rises when pressing and holding the front power return switch (LH).
Is the inspection result normal?
YES
>> Front power return switch (LH) is OK.
NO
>> Refer to
SE-14, "LH : Diagnosis Procedure"
LH : Diagnosis Procedure
INFOID:0000000009718696
1.
CHECK REAR SEATBACK POWER RETURN CONTROL UNIT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front power return switch (LH) connector.
3.
Check voltage between front power return switch (LH) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FRONT POWER RETURN SWITCH (LH) CIRCUIT
1.
Disconnect rear seatback power return control unit connector.
2.
Check continuity between rear seatback power return control unit harness connector and front power
return switch (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 return control unit. Refer to
SE-120, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK FRONT POWER RETURN SWITCH (LH) GROUND CIRCUIT
Check continuity front power return switch (LH) harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
Front power return switch (LH)
Connector
Terminal
M114
1
Ground
5
Rear seatback power return control unit
Front power return switch (LH)
Continuity
Connector
Terminal
Connector
Terminal
B493
28
M114
1
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
M493
28
Not existed
Front power return switch (LH)
Ground
Continuity
Connector
Terminal
M114
2
Existed
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