ground INFINITI M35 2006 Factory Service Manual

AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 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 connectorTerminalSliding sensor front
lifting sensor con-
nectorTerminal
B20424
B21424
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20424
No
31
PIIB6148E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat con-
trol unit connectorTerminal
B204 24 Ground 5
PIIB6149E

SE-54
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Reclining Sensor Circuit CheckNIS0026E
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
connectorTe r m i n a l s
ConditionSignal
(Reference value)
(+) (–)
B204 9 GroundReclining
motor
operation
PIIB6150EPIIB2807E

AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 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
connectorTe r m i n a lReclining sen-
sor connectorTe r m i n a l
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

SE-56
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Front Lifting Sensor Circuit CheckNIS0026F
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
sensorTe r m i n a l s
ConditionSignal
(Reference value)
(+) (–)
B214 25 GroundFront
lifting
motor
operation
PIIB6153E
PIIA3278E

AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 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 connectorTerminalSliding sensor front
lifting sensor con-
nectorTerminal
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 connectorTerminal
B204 25 Ground 5
PIIB6155E

SE-58
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Rear Lifting Sensor Circuit CheckNIS0026G
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
connectorTerminals
ConditionSignal
(Reference value)
(+) (–)
B204 10 GroundRear
lifting
motor
operation
PIIB6156EPIIA3278E

AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 M35/M45
2. CHECK REAR LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and rear lifting sensor connector.
2. Check continuity between driver seat control unit connector and
rear 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 rear lifting sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity
Driver seat control
unit connectorTerminalRear lifting sensor
connectorTerminal
B20410
B21810
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20410
No
31
PIIB6157E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat con-
trol unit connectorTerminal
B204 10 Ground 5
PIIB6158E

SE-60
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Telescopic Sensor Circuit CheckNIS0026H
1. CHECK FUNCTION
With CONSULT-II
Operate the telescopic switch with “TELESCO SEN” on the DATA MONITOR to make sure the voltage
changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Telescopic sensor circuit is OK.
NG >> GO TO 2.
Monitor item
[OPERATION or UNIT]Contents
TELESCO
SEN“V”The telescoping position (voltage) judged from the tele-
scoping sensor signal is displayed.
PIIA0295E
Automatic
drive posi-
tioner con-
nectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
M6 23 GroundTelescopic
top position4.6
Telescopic
bottom position0.4
PIIB6159E

AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 M35/M45
2. CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit connector and telescopic sensor connector.
2. Check continuity harness between automatic drive positioner
control unit connector and telescopic sensor connector.
3. Check continuity harness between automatic drive positioner
control unit connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT
1. Connect automatic drive positioner control unit connector.
2. Check voltage between automatic drive position control unit connector and ground.
OK or NG
OK >> Replace telescopic sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity Automatic drive
positioner control
unit connectorTerminalTelescopic sensor
connectorTerminal
M6 23
M442
Ye s
M733 1
41 3
A
GroundContinuity Automatic drive posi-
tioner control unit con-
nectorTerminal
M6 23
No
M733
41
PIIB6160E
Terminals
Voltage (V)
(Approx.) (+)
(–) Automatic drive
positioner control
unit connectorTerminal
M6 23 Ground 5
PIIB6159E

SE-62
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Tilt Sensor Circuit CheckNIS0026I
1. CHECK TILT SENSOR
With CONSULT-II
With “TILT SEN” on the DATA MONITOR, operate the tilt switch to make sure voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Tilt sensor circuit is OK.
NG >> GO TO 2.
Monitor item
[OPERATION or UNIT]Contents
TILT SEN “V”The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
Automatic
drive posi-
tioner con-
trol unit
connectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (–)
M6 7 GroundTilt top position 1
Tilt bottom position 3.8
PIIB6161E