Motor INFINITI M35 2006 Factory Service Manual

AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 M35/M45
DATA MONITOR
SELECTIOM FROM MEMU
SEAT LIFTER FR
[B2114]Seat lifting FR motorWhen any manual and automatic operations are not performed, if
any motor operations of seat lifting FR is detected for 0.1 second or
more, status is judged “Output error”.SE-46
SE-56
SEAT LIFTER RR
[B2115]Seat lifting RR motorWhen any manual and automatic operations are not performed, if
any motor operations of seat lifting RR is detected for 0.1 second or
more, status is judged “Output error”.SE-48
SE-58
TILT OUTPUT
[B2116]Tilt motorWhen any manual and automatic operations are not performed, if
any motor operations of seat tilt is detected for 0.1 second or more,
status is judged “Output error”.SE-50
TILT SENSOR
[B2118]Tilt sensorWhen driver seat control unit detects 0.1V or lower, or 4.9V or higher,
from tilt sensor for 0.5 seconds or more.SE-62
TELESCO SEN-
SOR
[B2119]Telescopic sensorWhen driver seat control unit detects 0.1V or lower, or 4.9V or higher,
from telescopic sensor for 0.5 seconds or more.SE-60
DETENT SW
[B2126]Detention SWWith the A/T selector lever in P position (Detente switch OFF), if the
vehicle speed of 7 km/h (4 MPH) or higher was input the detention
switch input system is judged malfunctioning.SE-85
UART COMM
[B2128]UART communica-
tionMalfunction is detected in UART communication.SE-87
CONSULT-II display Item Malfunction is detected when...Reference
page
Monitor item [OPERATION or UNIT] Contents
SET SW “ON/OFF” ON/OFF status judged from the setting switch signal is displayed.
MEMORY SW1 “ON/OFF” ON/OFF status judged from the seat memory switch 1 signal is displayed.
MEMORY SW2 “ON/OFF” ON/OFF status judged from the seat memory switch 2 signal is displayed.
SLIDE SW–FR “ON/OFF” ON/OFF status judged from the sliding switch (FR) signal is displayed.
SLIDE SW–RR “ON/OFF” ON/OFF status judged from the sliding switch (RR) signal is displayed.
RECLN SW–FR “ON/OFF” ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLN SW–RR “ON/OFF” ON/OFF status judged from the reclining switch (RR) signal is displayed.
LIFT FR SW–UP “ON/OFF” ON/OFF status judged from the FR lifting switch (UP) signal is displayed.
LIFT FR SW–DN “ON/OFF” ON/OFF status judged from the FR lifting switch (DOWN) signal is displayed.
LIFT RR SW–UP “ON/OFF” ON/OFF status judged from the RR lifting switch (UP) signal is displayed.
LIFT RR SW–DN “ON/OFF” ON/OFF status judged from the RR lifting switch (DOWN) signal is displayed.
MIR CON SW–UP “ON/OFF”ON/OFF status judged from the door mirror remote control switch (UP) signal is
displayed.
MIR CON SW–DN “ON/OFF”ON/OFF status judged from the door mirror remote control switch (DOWN) signal
is displayed.
MIR CON SW–RH “ON/OFF”ON/OFF status judged from the door mirror remote control switch (RIGHT) signal
is displayed.
MIR CON SW–LH “ON/OFF”ON/OFF status judged from the door mirror remote control switch (LEFT) signal is
displayed.
MIR CHNG SW–R “ON/OFF”ON/OFF status judged from the door mirror remote control switch (switching to
RIGHT) signal is displayed.
MIR CHNG SW–L “ON/OFF”ON/OFF status judged from the door mirror remote control switch (switching to
LEFT) signal is displayed.
TILT SW-UP “ON/OFF” ON/OFF status judged from the tilt switch (UP) signal is displayed.
TILT SW-DOWN “ON/OFF” ON/OFF status judged from the tilt switch (DOWN) signal is displayed.
TELESCO SW-FR “ON/OFF” ON/OFF status judged from the telescoping switch (FR) signal is displayed.
TELESCO SW-RR “ON/OFF” ON/OFF status judged from the telescoping switch (RR) signal is displayed.

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AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
If active test is performed, reset seat memory and key fob interlock drive positioner after performing work.
DISPLAY ITEM LIST
WORK SUPPORT
The seat slide amount at entry/exit operation setting can be changed by CONSULT-II. Refer to SE-16, "SET-
TING CHANGE FUNCTION" .
DETENT SW “ON/OFF”The selector lever position “OFF (P position) / ON (other than P position)” judged
from the detention switch signal is displayed.
STARTER SW “ON/OFF”Ignition key switch ON (START, ON) /OFF (IGN, ACC, or OFF) status judged from
the ignition switch signal is displayed.
SLIDE PULSE —Value (32768) when battery connects is as standard. If it moves backward, the
value increases. If it moves forward, the value decreases.
RECLN PULSE —Value (32768) when battery connects is as standard. If it moves backward, the
value increases. If it moves forward, the value decreases.
LIFT FR PULSE —Value (32768) when battery connects is as standard. If it moves DOWN, the value
increases. If it moves UP, the value decreases.
LIFT RR PULSE —Value (32768) when battery connects is as standard. If it moves DOWN, the value
increases. If it moves UP, the value decreases.
MIR/SEN RH U–D “V” Voltage output from RH door mirror sensor (UP/DOWN) is displayed.
MIR/SEN RH R–L “V” Voltage output from RH door mirror sensor (LH/RH) is displayed.
MIR/SEN LH U–D “V” Voltage output from LH door mirror sensor (UP/DOWN) is displayed.
MIR/SEN LH R–L “V” Voltage output from LH door mirror sensor (LH/RH) is displayed. Monitor item [OPERATION or UNIT] Contents
Test item Description
TILT MOTOR The tilt motor is activated by receiving the drive signal.
TELESCO MOTOR The telescopic motor is activated by receiving the drive signal.
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
SEAT RECLINING The reclining motor is activated by receiving the drive signal.
SEAT LIFTER FR The front lifting motor is activated by receiving the drive signal.
SEAT LIFTER RR The rear lifting motor is activated by receiving the drive signal.
MIRROR MOTOR RHThe RH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
MIRROR MOTOR LHThe LH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
MEMORY SW INDCTR The memory switch indicator is lit by receiving the drive signal.

AUTOMATIC DRIVE POSITIONER
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Work Flow NIS00261
1. Check the symptom and customer's requests.
2. Understand the system description. Refer to SE-12, "
System Description" .
3. Perform the self-diagnosis results, using CONSULT-II. Refer to SE-35, "
CONSULT-II Function (AUTO
DRIVE POS.)" .
4. Repair or replace depending on the self-diagnostic results.
5. Based on the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SE-39,
"Symptom Chart" .
6. Does the automatic drive positioned system operate normally?
If it is normal, GO TO 8.
If it is not normal, GO TO 3.
7. INSPECTION END
Symptom ChartNIS00262
NOTE:
Always check the “Work flow” before performing diagnosis in the following table, Refer to SE-39, "
Work Flow"
.
Symptom Diagnoses / service procedureReference
page
All of automatic operation dose not operate.1. BCM power supply and ground circuit check.SE-41
2. Driver seat control unit power supply and ground cir-
cuit check.SE-42
3. Automatic drive positioner control unit power supply
and ground circuit check.SE-43
Sliding function does not operate (automatically and man-
ually).Sliding motor circuit check SE-44
Reclining function does not operate (automatically and
manually).Reclining motor circuit check SE-45
Front lifting function does not operate (automatically and
manually).Front lifting motor circuit checkSE-46
Rear lifting function not operate (automatically and manu-
ally).Rear lifting motor circuit checkSE-48
Tilt function does not operate (automatically and manu-
ally).Tilt motor circuit checkSE-50
Telescopic function does not operate (automatically and
manually).Telescopic motor circuit checkSE-49
Sliding function does not operate automatically. Sliding sensor circuit checkSE-52
Reclining function does not operate automatically. Reclining sensor circuit checkSE-54
Front lifting function does not operate automatically. Front lifting sensor circuit checkSE-56
Rear lifting function does not operate automatically. Rear lifting sensor circuit checkSE-58
Tilt function does not operate automatically. Tilt sensor circuit checkSE-62
Telescopic function does not operate automatically. Telescopic sensor circuit checkSE-60
Sliding function does not operate manually. Sliding switch circuit checkSE-68
Reclining function does not operate manually. Reclining switch circuit checkSE-70
Front lifting function does not operate manually. Lifting switch (front) circuit checkSE-72
Rear lifting function does not operate manually. Lifting switch (rear) circuit checkSE-74
Tilt function does not operate manually. Tilt switch circuit checkSE-78
Telescopic function does not operate manually. Telescopic switch circuit checkSE-76
All of seat operation dose not operate manually. Power seat switch ground circuit check.SE-75

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AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Sliding Motor Circuit CheckNIS00267
1. CHECK SEAT SLIDING MECHANISM
Check the following.
Operation malfunction caused by sliding rail deformation, pinched harness or other foreign materials
Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT SLIDE” in ACTIVE TEST.
OK or NG
OK >> Sliding motor circuit is OK.
NG >> GO TO 3.
3. CHECK SLIDING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and sliding motor connector.
3. Check continuity between driver seat control unit connector and sliding motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
PIIA0265E
AB
Continuity
Driver seat control
unit connectorTe r m i n a lSliding motor
connectorTerminal
B20535
B20735
Ye s
42 42
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20535
No
42
PIIB6132E

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4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace sliding motor.
NG >> Replace driver seat control unit.
Reclining Motor LH Circuit CheckNIS00268
1. CHECK SEAT RECLINING MECHANISM
Check the following.
Operation malfunction caused by an interference with the center pillar or center console
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT RECLINING” in ACTIVE TEST.
OK or NG
OK >> Reclining motor circuit is OK.
NG >> GO TO 3.
Driver seat
control unit
connectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (–)
B20535
GroundSliding switch ON
(FORWARD operation)Battery voltage
Other than above 0
42Sliding switch ON
(BACKWARD operation)Battery voltage
Other than above 0
PIIB6133E
Test item Description
SEAT
RECLININGThe reclining motor is activated by receiving the drive signal.
PIIA0268E

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AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
3. CHECK RECLINING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and reclining motor connector.
3. Check continuity between driver seat control unit connector and reclining motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace driver seat control unit.
Front Lifting Motor Circuit CheckNIS00269
1. CHECK FRONT END SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation, pinched harness or other foreign materi-
als
Operation malfunction caused by foreign materials adhered to the front lifting motor or lead screws
Operation malfunction and interference with other parts by installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning part and check again.
AB
Continuity
Driver seat control
unit connectorTe r m i n a lReclining motor
connectorTerminal
B20536
B20836
Ye s
44 44
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20536
No
44
PIIB6134E
Driver seat
control unit
connectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (–)
B20536
GroundReclining switch ON
(FORWARD operation)Battery voltage
Other than above 0
44Reclining switch ON
(BACKWARD operation)Battery voltage
Other than above 0
PIIB6135E

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2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER FR” in ACTIVE TEST.
OK or NG
OK >> Front lifting motor circuit is OK.
NG >> GO TO 3.
3. CHECK FRONT LIFTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and front lifting motor connector.
3. Check continuity between driver seat control unit connector and front lifting motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Replace driver seat control unit.
Test item Description
SEAT
LIFTER FRThe front lifting motor is activated by receiving the drive signal.
PIIA0271E
AB
Continuity
Driver seat control
unit connectorTerminalFront lifting motor
connectorTerminal
B20537
B20937
Ye s
45 45
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20537
No
45
PIIB6136E
Driver seat
control unit
connectorTe r m i n a l s
ConditionVoltage (V)
(Approx)
(+) (–)
B20537
GroundLifting switch (front) ON
(DOWN operation)Battery voltage
Other than above 0
45Lifting switch (front) ON
(UP operation)Battery voltage
Other than above 0
PIIB6137E

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AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Rear Lifting Motor Circuit CheckNIS0026A
1. CHECK REAR SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials
Operation malfunction caused by foreign materials adhered to the rear lifting motor or lead screws
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER RR” in ACTIVE TEST.
OK or NG
OK >> Rear lifting motor circuit is OK.
NG >> GO TO 3.
3. CHECK REAR LIFTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and rear lifting motor connector.
3. Check continuity between driver seat control unit connector and rear lifting motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Test item Description
SEAT LIFTER
RRThe rear lifting motor is activated by receiving the drive signal.
PIIA0274E
AB
Continuity
Driver seat control
unit connectorTe r m i n a lRear lifting motor
connectorTerminal
B20538
B21038
Ye s
39 39
A
GroundContinuity
Driver seat control
unit connectorTerminal
B20538
No
39
PIIB6138E

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4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace rear lifting motor.
NG >> Replace driver seat control unit.
Telescopic Motor Circuit CheckNIS0026B
1. CHECK STEERING WHEEL TELESCOPIC MECHANISM
Check following.
Operation malfunction caused by steering wheel telescopic mechanism deformation or pinched harness
or other foreign materials
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “TELESCO MOTOR” in ACTIVE TEST.
OK or NG
OK >> Steering telescopic motor circuit is OK.
NG >> GO TO 3.
Driver
seat con-
trol unit
connectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B20538
GroundLifting switch (rear) ON
(UP operation)Battery voltage
Other than above 0
39Lifting switch (rear) ON
(DOWN operation)Battery voltage
Other than above 0
PIIB6139E
Test item Description
TELESCO
MOTORThe telescopic motor is activated by receiving the drive signal.
PIIA0277E

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AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
3. CHECK TELESCOPIC MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and tilt motor and telescopic motor connector.
3. Check continuity between automatic drive positioner control unit connector and tilt motor and telescopic
motor connector.
4. Check continuity between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between automatic drive positioner control unit and tilt motor and tele-
scopic motor.
4. CHECK BCM OUTPUT SIGNAL
1. Connect the automatic drive positioner control unit connector.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Replace tilt and telescopic motor.
NG >> Replace automatic drive positioner control unit.
Tilt Motor Circuit CheckNIS0026C
1. CHECK STEERING WHEEL TILT MECHANISM
Check following.
Operation malfunction caused by steering wheel tilt mechanism deformation or pinched harness and
other foreign materials
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part.
AB
Continuity Automatic drive
positioner control
unit connectorTe r m i n a lTelescopic motor
connectorTerminal
M736
M451
Ye s
44 2
A
GroundContinuity Automatic drive posi-
tioner control unit con-
nectorTerminal
M736
No
44
PIIB6140E
Automatic drive
positioner control
unit connectorTerminals
Telescopic switch
conditionVoltage (V)
(Approx.)
(+) (–)
M736
GroundFORWARD Battery voltage
Other than above 0
44BACKWARD Battery voltage
Other than above 0
PIIB6141E