Nissan Murano Z51 (2008 year). Manual — part 3
AUTOMATIC DRIVE POSITIONER SYSTEM
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EXIT ASSIST FUNCTION : Component Description
INFOID:0000000003433891
CONTROL UNITS
INPUT PARTS
Switches
Sensors
OUTPUT PARTS
ENTRY ASSIST FUNCTION
10. Telescopic motor M117
11.
Door mirror (driver side) D3
12. Reclining motor B461
13. Sliding, Lifting switch
(Power seat switch B459)
14. Reclining switch
(Power seat switch B459)
15. Driver seat control unit B451,B452
16. Sliding motor B461
17. Lifting motor (front) B455
18. Lifting motor (rear) B456
A.
Behind the combination meter
B.
View with instrument driver lower
panel removed
C.
View with instrument driver lower
panel removed
D.
View with seat cushion and seatback
pad removed
E.
Backside of the seat cushion
Item
Function
Driver seat control unit
• Operates the seat sliding motor for a constant amount.
• Requests the operations of tilt motor to automatic drive positioner control unit.
Automatic drive positioner control unit
Operates the tilt motor with the request from the driver seat control.
BCM
Recognizes the following status and transmits it to the driver seat control unit via
CAN communication.
• Door switch signal (front driver side)
• Key switch signal
• Ignition switch signal
IPDM E/R
Recognizes the following status and transmits it to the driver seat control unit via
CAN communication.
• Detent switch signal
Item
Function
Front door switch (driver side)
Detect front door (driver side) open/close status.
Item
Function
Tilt sensor
Detect the up/down position of steering column.
Sliding sensor
Detect the front/rear position of seat.
Item
Function
Tilt motor
Move the steering column upward/downward.
Sliding motor
Slide the seat frontward/rearward.
Revision: 2008 October
2009 Murano
ADP-30
< FUNCTION DIAGNOSIS >
AUTOMATIC DRIVE POSITIONER SYSTEM
ENTRY ASSIST FUNCTION : System Diagram
INFOID:0000000003433892
ENTRY ASSIST FUNCTION : System Description
INFOID:0000000003433893
OUTLINE
The seat is in the exiting position when following condition is satisfied, the seat returns from exiting position to
the previous driving position.
NOTE:
• This function is set to OFF before delivery (initial setting).
• Further information for the system setting procedure. Refer to
ADP-9, "SYSTEM INITIALIZATION : Descrip-
OPERATION PROCEDURE
1.
Turn the ignition switch ACC.
2.
Driver seat and steering column will return from the exiting position to entry position.
OPERATION CONDITION
Satisfy all of the following items. The entry assist function is not performed if these items are not satisfied.
DETAIL FLOW
JMJIA1462GB
Item
Request status
Seat, steering column
The vehicle is not moved after performing the
exit assist function.
Switch inputs
• Power seat switch
• Tilt & telescopic switch
• Door mirror control switch
• Set switch
• Memory switch
OFF
(Not operated)
Revision: 2008 October
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AUTOMATIC DRIVE POSITIONER SYSTEM
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Order
Input
Output
Control unit condition
1
Ignition switch
—
Driver seat control unit receives the signals of [ignition switch signal]
from BCM via CAN communication.
2
—
Motors
(Sliding, tilt)
Driver side control unit operates the sliding motor when the operating
conditions are satisfied and requests the operations of tilt motor to
automatic drive positioner control unit via UART communication. The
automatic drive positioner operates each motor.
Sensors
(Sliding, tilt)
—
Each sensor monitors the operating positions of seat and steering,
and then stops the operation of each motor when each part reaches
the recorded address.
Revision: 2008 October
2009 Murano
ADP-32
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AUTOMATIC DRIVE POSITIONER SYSTEM
ENTRY ASSIST FUNCTION : Component Parts Location
INFOID:0000000003465778
1.
BCM M118, M119, M122, M123
2.
Automatic drive positioner control unit
M75, M104
3.
Combination meter
4.
Tilt & telescopic switch M102
5.
Key slot M99
6.
Seat memory switch D13
7.
Door mirror remote control switch
D14
8.
Front door switch (driver side) B34
9.
Tilt motor M116
JMJIA1409ZZ
Revision: 2008 October
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AUTOMATIC DRIVE POSITIONER SYSTEM
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ENTRY ASSIST FUNCTION : Component Description
INFOID:0000000003433895
CONTROL UNITS
INPUT PARTS
Sensors
OUTPUT PARTS
INTELLIGENT KEY INTERLOCK FUNCTION
10. Telescopic motor M117
11.
Door mirror (driver side) D3
12. Reclining motor B461
13. Sliding, Lifting switch
(Power seat switch B459)
14. Reclining switch
(Power seat switch B459)
15. Driver seat control unit B451,B452
16. Sliding motor B461
17. Lifting motor (front) B455
18. Lifting motor (rear) B456
A.
Behind the combination meter
B.
View with instrument driver lower
panel removed
C.
View with instrument driver lower
panel removed
D.
View with seat cushion and seatback
pad removed
E.
Backside of the seat cushion
Item
Function
Driver seat control unit
According to the ignition signal and door switch signal (driver side) from BCM,
• Operates the seat sliding motor for a constant amount.
• Requests the operations of tilt motor to automatic drive positioner control unit.
Automatic drive positioner control unit
Operates the tilt motor and telescopic motor with the instructions from the driver seat
control.
BCM
Recognizes the following status and transmits it to the driver seat control unit via
CAN communication.
• Ignition switch position: ACC/ON
Item
Function
Tilt sensor
Detect the up/down position of steering column.
Sliding sensor
Detect the front/rear position of seat.
Item
Function
Tilt motor
Move the steering column upward/downward.
Sliding motor
Slide the seat frontward/rearward.
Revision: 2008 October
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ADP-34
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AUTOMATIC DRIVE POSITIONER SYSTEM
INTELLIGENT KEY INTERLOCK FUNCTION : System Diagram
INFOID:0000000003312350
INTELLIGENT KEY INTERLOCK FUNCTION : System Description
INFOID:0000000003312351
OUTLINE
When unlocking doors by using Intelligent Key or door request switch (driver side), seat slide and steering tilt
move directly to the exit assist function.
Other loads move to the exit assist function after performing memory function.
After performs the entry assist function.
OPERATION PROCEDURE
1.
Unlock doors by using Intelligent Key or door request switch (driver side) .
2.
The system performs exit assist operation and memory operation.
NOTE:
Further information for Intelligent Key interlock function. Refer to
ADP-9, "MEMORY STORING : Description"
.
OPERATION CONDITION
Satisfy all of the following items. The Intelligent Key interlock function is not performed if these items are not
satisfied.
DETAIL FLOW
JMJIA2855GB
Item
Request status
Ignition position
OFF
Steering lock unit
LOCK
Switch inputs
• Power seat switch
• Tilt & telescopic switch
• Door mirror control switch
• Set switch
• Memory switch
OFF
(Not operated)
A/T selector lever
P position
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AUTOMATIC DRIVE POSITIONER SYSTEM
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Order
Input
Output
Control unit condition
1
• Door unlock signal
(CAN)
• Key ID signal (CAN)
—
Driver seat control unit receives the door unlock signal and the key
ID signal from BCM when unlocking the door with Intelligent Key or
driver side door request switch.
2
—
—
Driver seat control unit performs the seat slide and steering tilt move
directly to the exit assist function. Other loads move to the exit assist
function after performing memory function.
3
—
—
Driver seat control unit performs the entry assist function.
Revision: 2008 October
2009 Murano
ADP-36
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AUTOMATIC DRIVE POSITIONER SYSTEM
INTELLIGENT KEY INTERLOCK FUNCTION : Component Parts Location
INFOID:0000000003465779
1.
BCM M118, M119, M122, M123
2.
Automatic drive positioner control unit
M75, M104
3.
Combination meter
4.
Tilt & telescopic switch M102
5.
Key slot M99
6.
Seat memory switch D13
7.
Door mirror remote control switch
D14
8.
Front door switch (driver side) B34
9.
Tilt motor M116
JMJIA1409ZZ
Revision: 2008 October
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AUTOMATIC DRIVE POSITIONER SYSTEM
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INTELLIGENT KEY INTERLOCK FUNCTION : Component Description
INFOID:0000000003312353
CONTROL UNITS
10. Telescopic motor M117
11.
Door mirror (driver side) D3
12. Reclining motor B461
13. Sliding, Lifting switch
(Power seat switch B459)
14. Reclining switch
(Power seat switch B459)
15. Driver seat control unit B451,B452
16. Sliding motor B461
17. Lifting motor (front) B455
18. Lifting motor (rear) B456
A.
Behind the combination meter
B.
View with instrument driver lower
panel removed
C.
View with instrument driver lower
panel removed
D.
View with seat cushion and seatback
pad removed
E.
Backside of the seat cushion
Item
Function
Driver seat control unit
It performs memory function and entry/exit assist function after receiving the door
unlock signal from BCM.
Automatic drive positioner control unit
Operates the steering column and door mirror with the instructions from the driver
seat control unit.
BCM
Recognizes the following status and transmits it to the driver seat control unit via
CAN communication.
• Door lock: UNLOCK
(with Intelligent Key or driver side door request switch)
• Key ID signal
• Ignition switch signal
Revision: 2008 October
2009 Murano
ADP-38
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DIAGNOSIS SYSTEM (DRIVER SEAT CONTROL UNIT)
DIAGNOSIS SYSTEM (DRIVER SEAT CONTROL UNIT)
Diagnosis Description
INFOID:0000000003312354
The auto drive positioner system can be checked and diagnosed for component operation with CONSULT-III.
DIAGNOSTIC MODE
CONSULT-III Function
INFOID:0000000003312355
SELF-DIAGNOSIS RESULTS
DATA MONITOR
Diagnostic mode
[AUTO DRIVE POS.]
Description
WORK SUPPORT
Changes the setting of each function.
SELF-DIAG RESULTS
Performs self-diagnosis for the auto drive positioner system and displays the results.
DATA MONITOR
Displays input signals transmitted from various switches and sensors to driver seat con-
trol unit in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST
Drive each output device.
ECU IDENTIFICATION
Displays part numbers of driver seat control unit parts.
Monitor Item
Unit
Main
Signals
Selection
From
Menu
Contents
SET SW
“ON/OFF”
×
×
ON/OFF status judged from the setting switch signal.
MEMORY SW 1
“ON/OFF”
×
×
ON/OFF status judged from the seat memory switch 1 sig-
nal.
MEMORY SW 2
“ON/OFF”
×
×
ON/OFF status judged from the seat memory switch 2 sig-
nal.
SLIDE SW–FR
“ON/OFF”
×
×
ON/OFF status judged from the sliding switch (forward) sig-
nal.
SLIDE SW–RR
“ON/OFF”
×
×
ON/OFF status judged from the sliding switch (backward)
signal.
RECLN SW–FR
“ON/OFF”
×
×
ON/OFF status judged from the reclining switch (forward)
signal.
RECLN SW–RR
“ON/OFF”
×
×
ON/OFF status judged from the reclining switch (backward)
signal.
LIFT FR SW–UP
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch front (up) sig-
nal.
LIFT FR SW–DN
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch front (down)
signal.
LIFT RR SW–UP
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch rear (up) sig-
nal.
LIFT RR SW–DN
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch rear (down)
signal.
MIR CON SW–UP
“ON/OFF”
×
×
ON/OFF status judged from the mirror switch (up) signal.
MIR CON SW–DN
“ON/OFF”
×
×
ON/OFF status judged from the mirror switch (down) signal.
MIR CON SW–RH
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (passenger side) signal.
MIR CON SW–LH
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (driver side) signal.
Revision: 2008 October
2009 Murano
DIAGNOSIS SYSTEM (DRIVER SEAT CONTROL UNIT)
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MIR CHNG SW–R
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (switching to right) signal.
MIR CHNG SW–L
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (switching to left) signal.
TILT SW-UP
“ON/OFF”
×
×
ON/OFF status judged from the tilt switch (up) signal.
TILT SW-DOWN
“ON/OFF”
×
×
ON/OFF status judged from the tilt switch (down) signal.
TELESCO SW-FR
“ON/OFF”
×
×
ON/OFF status judged from the telescoping switch (for-
ward) signal.
TELESCO SW-RR
“ON/OFF”
×
×
ON/OFF status judged from the telescoping switch (back-
ward) signal.
DETENT SW
“ON/OFF”
×
×
The selector lever position “OFF (P position) / ON (other
than P position)” judged from the detention switch signal.
STARTER SW
“ON/OFF”
×
×
Ignition key switch ON (START, ON) /OFF (ACC, OFF) sta-
tus judged from the ignition switch signal.
SLIDE PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
RECLN PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
LIFT FR PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
LIFT RR PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
MIR/SEN RH U–D
“V”
–
×
Voltage input from door mirror sensor (passenger side) up/
down is displayed.
MIR/SEN RH R–L
“V”
–
×
Voltage input from door mirror sensor (passenger side) left/
right is displayed.
MIR/SEN LH U–D
“V”
–
×
Voltage input from door mirror sensor (driver side) up/down
is displayed.
MIR/SEN LH R–L
“V”
–
×
Voltage input from door mirror sensor (driver side) left/right
is displayed.
TILT PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
TELESCO PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
VEHICLE SPEED
—
×
×
Display the vehicle speed signal received from combination
meter by numerical value [km/h].
P RANG SW CAN
“ON/OFF”
×
×
ON/OFF status judged from the P range switch signal.
R RANGE (CAN)
“ON/OFF”
×
×
ON/OFF status judged from the R range switch signal.
DOOR SW–FL
“ON/OFF”
×
×
ON/OFF status judged from the door switch (front driver
side) signal.
DOOR SW–FR
“ON/OFF”
×
×
ON/OFF status judged from the door switch (front passen-
ger side) signal.
IGN ON SW
“ON/OFF”
×
×
ON/OFF status judged from the ignition switch signal.
ACC ON SW
“ON/OFF”
×
×
ON/OFF status judged from the ACC switch signal.
KEY ON SW
“ON/OFF”
×
×
ON/OFF status judged from the key on switch signal.
Monitor Item
Unit
Main
Signals
Selection
From
Menu
Contents
Revision: 2008 October
2009 Murano
ADP-40
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (DRIVER SEAT CONTROL UNIT)
ACTIVE TEST
CAUTION:
When driving vehicle, do not perform active test.
WORK SUPPORT
KEYLESS ID
—
×
×
Key ID status judged from the key ID signal.
KYLS DR UNLK
“ON/OFF”
×
×
ON/OFF status judged from the driver side door unlock ac-
tuator output switch signal.
VHCL SPEED (ABS)
“ON/OFF”
×
×
ON/OFF status judged from vehicle speed signal.
HANDLE
“RHD/LHD”
×
×
RHD/LHD status judged from handle position signal.
TRANSMISSION
“AT or CVT/
MT”
×
×
AT or CVT/MT status judged from transmission.
STEERING STATUS
“LOCK/UN-
LOCK”
×
×
LOCK/UNLOCK status judged from steering lock unit.
Monitor Item
Unit
Main
Signals
Selection
From
Menu
Contents
Test item
Description
SEAT SLIDE
Activates/deactivates the sliding motor.
SEAT RECLINING
Activates/deactivates the reclining motor.
SEAT LIFTER FR
Activates/deactivates the lifting motor (front).
SEAT LIFTER RR
Activates/deactivates the lifting motor (rear).
TILT MOTOR
Activates/deactivates the tilt motor.
TELESCO MOTOR
Activates/deactivates the telescopic motor.
MIRROR MOTOR RH
Activates/deactivates the mirror motor (passenger side).
MIRROR MOTOR LH
Activates/deactivates the mirror motor (driver side).
MEMORY SW INDCTR
Turns ON/OFF the memory indicator.
Work item
Content
Item
SEAT SLIDE VOLUME SET
The amount of seat sliding for entry/exit assist can be selected
from 3 items.
40 mm
80 mm
150 mm
EXIT TILT SETTING
Entry/exit assist (steering column) can be selected:
ON (operated) – OFF (not operated)
ON
OFF
EXIT SEAT SLIDE SETTING
Entry/exit assist (seat) can be selected:
ON (operated) – OFF (not operated)
ON
OFF
Revision: 2008 October
2009 Murano
U1000 CAN COMM CIRCUIT
ADP-41
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000003312356
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN H-line, CAN L-line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000003312357
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON and wait at least 3 seconds.
>> GO TO 2.
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003312358
LAN-16, "Trouble Diagnosis Flow Chart"
Special Repair Requirement
INFOID:0000000003312359
ADP-9, "SYSTEM INITIALIZATION : Description"
.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
U1000
CAN COMM CIR-
CUIT
• Driver seat control unit cannot communicate to other
control units.
• Driver seat control unit cannot communicate for more
than the specified time.
• Harness or connectors
(CAN communication line is
open or shorted)
Revision: 2008 October
2009 Murano
ADP-42
< COMPONENT DIAGNOSIS >
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000003515303
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to
LAN-25, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000003515304
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000003515305
1.
REPLACE DRIVER SEAT CONTROL UNIT
When DTC [U1010] is detected, replace driver seat control unit.
>> Replace driver seat control unit.Refer to
ADP-204, "Removal and Installation"
DTC
No.
Trouble diagnosis name
DTC detecting condition
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diagnosis of CAN con-
troller of driver seat control unit.
• Driver seat control unit
Revision: 2008 October
2009 Murano
B2130 EEPROM
ADP-43
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B2130 EEPROM
DTC Logic
INFOID:0000000003515825
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2.
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003515836
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Erase the DTC.
4.
Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2.
NO
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
2.
REPLACE DRIVER SEAT CONTROL UNIT
Replace driver seat control unit. Refer to
ADP-204, "Removal and Installation"
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2130
EEPROM
Driver seat control unit detected CPU malfunction.
• Driver seat control unit
Revision: 2008 October
2009 Murano
ADP-44
< COMPONENT DIAGNOSIS >
B2112 SLIDING MOTOR
B2112 SLIDING MOTOR
Description
INFOID:0000000003312360
• The sliding motor is installed to the seat cushion frame.
• The sliding motor is activated with the driver seat control unit.
• Slides the seat frontward/ rearward by changing the rotation direction of sliding motor.
DTC Logic
INFOID:0000000003312361
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2.
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003312362
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Erase the DTC.
4.
Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2.
NO
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
2.
CHECK SLIDING MOTOR CIRCUIT (POWER SHORT)
1.
Turn ignition switch OFF.
2.
Disconnect sliding motor and driver seat control unit connector.
3.
Check voltage between sliding motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1.
Connect driver seat control unit connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2112
SEAT SLIDE
The driver seat control unit detects the output of sliding
motor output terminal for 0.1 second or more even if
the sliding switch is not input.
• Driver seat control unit
• Slide motor harness is shorted
(+)
(–)
Voltage (V)
(Approx.)
Sliding motor
Connector
Terminals
B461
50
Ground
0
51
Revision: 2008 October
2009 Murano
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