sensor INFINITI M35 2007 Factory Service Manual

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45ACTIVE 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" .
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.
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 RH The RH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive signal.
MIRROR MOTOR LH The 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.

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AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
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-37, "
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-40,
"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-40, "
Work Flow"
.
Symptom Diagnoses / service procedureReference
page
All of automatic operation dose not operate.1. Check BCM power supply and ground circuit SE-42
2. Check driver seat control unit power supply and
ground circuitSE-43
3. Check automatic drive positioner control unit
power supply and ground circuitSE-44
Sliding function does not operate (automatically and manually). Check sliding motor circuitSE-45
Reclining function does not operate (automatically and manually). Check reclining motor circuitSE-46
Front lifting function does not operate
(automatically and manually).Check front lifting motor circuitSE-47
Rear lifting function not operate (automatically and manually). Check rear lifting motor circuitSE-49
Tilt function does not operate (automatically and manually). Check tilt motor circuitSE-51
Telescopic function does not operate
(automatically and manually).Check telescopic motor circuitSE-50
Sliding function does not operate automatically. Check sliding sensor circuit SE-53
Reclining function does not operate automatically. Check reclining sensor circuit SE-55
Front lifting function does not operate automatically. Check front lifting sensor circuit SE-57
Rear lifting function does not operate automatically. Check rear lifting sensor circuit SE-59
Tilt function does not operate automatically. Check tilt sensor circuit SE-63
Telescopic function does not operate automatically. Check telescopic sensor circuit SE-61
Sliding function does not operate manually. Check sliding switch circuit SE-69
Reclining function does not operate manually. Check reclining switch circuitSE-71
Front lifting function does not operate manually. Check lifting switch (front) circuit SE-73
Rear lifting function does not operate manually. Check lifting switch (rear) circuit SE-75
Tilt function does not operate manually. Check tilt switch circuit SE-79
Telescopic function does not operate manually. Check telescopic switch circuit SE-77
All of seat operation dose not operate manually. Check power seat switch ground circuit SE-76
Only seat memory and set switch operation does not operate.1. Perform storing memorySE-132. Check seat memory and set switch circuit SE-81
Seat memory indicator lamps 1 and 2 do not illuminate. Check seat memory indicator lamp circuit SE-82

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Entry/Exiting operation does not operated.1. Check system settingSE-162. Perform initializationSE-16
3. Check front door switch (driver side) circuit SE-87
LH or RH door mirror face does not produce the stored angle,
during the memory operation.1. Check door mirror sensor power supply and
ground circuitSE-842. Check door mirror sensor LH circuitSE-64
3. Check door mirror sensor RH circuitSE-67
4. Replace automatic drive positioner control unitSE-11
Intelligent key interlock operation does not operate.
(Other automatic operation and Intelligent Key system are normal)Perform storing memorySE-13
Lumbar support does not operate Check Lumbar support circuitSE-90
Symptom Diagnoses / service procedureReference
page

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
4. CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect automatic drive positioner control unit connector and tilt motor connector.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Replace tilt motor.
NG >> Replace automatic drive positioner control unit.
Check Sliding Sensor Circuit NIS0026D
1. CHECK FUNCTION
With CONSULT-II
Check operation with “SLIDE PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Sliding sensor circuit is OK.
NG >> GO TO 2.
Automatic
drive posi-
tioner C/U
connectorTerminals
Tilt switch conditionVoltage (V)
(Approx.)
(+) (–)
M735
GroundUP Battery voltage
Other than above 0
42DOWN Battery voltage
Other than above 0
PIIB6143E
Monitor item [OPERATION or UNIT] Contents
SLIDE PULSE —The seat sliding position (pulse) judged
from the sliding sensor signal is dis-
played
PIIA4558E
Driver seat
control unit
connectorTe r m i n a l s
ConditionSignal
(Reference value)
(+) (–)
B204 24 GroundSliding
motor
operation
PIIB6147E
PIIA3277E

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AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
2. CHECK SLIDING SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and sliding sensor front lifting sensor connector.
2. Check continuity between driver seat control unit connector and
sliding sensor front lifting sensor connector.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding sensor front lifting sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity
Driver seat control
unit connectorTe r m i n a lSliding sensor ·
front lifting sensor
connectorTerminal
B20424
B21424
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20424
No
31
PIIB6148E
Terminals
Voltage (V)
(Approx.) (+)
(–) Driver seat
control unit
connectorTerminal
B204 24 Ground 5
PIIB6149E

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Check Reclining Sensor Circuit NIS0026E
1. CHECK FUNCTION
With CONSULT-II
Check operation with “RECLN PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Reclining sensor circuit is OK.
NG >> GO TO 2.
Monitor item [OPERATION or UNIT] Contents
RECLN PULSE —The seat reclining position (pulse) judged
from the reclining sensor is displayed
PIIA4558E
Driver seat
control unit
connectorTerminals
ConditionSignal
(Reference value)
(+) (–)
B204 9 GroundReclining
motor
operation
PIIB6150EPIIB2807E

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AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
2. CHECK RECLINING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and reclining sensor connector.
2. Check continuity between driver seat control unit connector and reclining sensor connector.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace reclining sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity Driver seat
control unit
connectorTerminalReclining
sensor
connectorTerminal
B2049
B2229
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B2049
No
31
PIIB6151E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat control
unit connectorTerminal
B204 9 Ground 5
PIIB6152E

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Check Front Lifting Sensor Circuit NIS0026F
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT FR PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Sliding sensor front lifting sensor is OK.
NG >> GO TO 2.
Monitor item [OPERATION or UNIT] Contents
LIFT FR PULSE —The front lifting position (pulse) judged
from the lifting sensor (front) is dis-
played
PIIA4558E
Sliding
sensor
front lifting
sensorTerminals
ConditionSignal
(Reference value)
(+) (–)
B214 25 GroundFront
lifting
motor
operation
PIIB6153E
PIIA3278E

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AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
2. CHECK FRONT LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and sliding sensor front lifting sensor connector.
2. Check continuity between driver seat control unit connector and sliding sensor front lifting sensor connec-
tor.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding sensor front lifting sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity
Driver seat control
unit connectorTe r m i n a lSliding sensor ·
front lifting sensor
connectorTerminal
B20425
B21425
Ye s
31 31B
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20425
No
31
PIIB6154E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat control
unit connectorTe r m i n a l
B204 25 Ground 5
PIIB6155E

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Check Rear Lifting Sensor Circuit NIS0026G
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT RR PULSE” on the DATA MONITOR to make sure pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Rear lifting sensor circuit is OK.
NG >> GO TO 2.
Monitor item [OPERATION or UNIT]
LIFT RR PULSE —The rear lifting position (pulse) judged from
the lifting sensor (rear) is displayed.
PIIA4558E
Driver seat
control unit
connectorTe r m i n a l s
ConditionSignal
(Reference value)
(+) (–)
B204 10 GroundRear
lifting
motor
operation
PIIB6156EPIIA3278E