2007 INFINITI M35 ignition

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Check Rear Lifting Motor Circuit NIS0026A
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 connectorTerminalRear lifting motor
connectorTerminal
B20538
B21038
Ye s
39 39
A
GroundContinuity
Driver seat control
unit connectorTe r m i n a l
B20538
No
39
PIIB6138E

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 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.
Check Tilt Motor Circuit NIS0026C
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 connectorTerminalTelescopic 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 connectorTe r m i n a l s
Telescopic switch
conditionVoltage (V)
(Approx.)
(+) (–)
M736
GroundFORWARD Battery voltage
Other than above 0
44BACKWARD Battery voltage
Other than above 0
PIIB6141E

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AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
2. CHECK FUNCTION
With CONSULT-II
Check operation with “TILT MOTOR” in ACTIVE TEST.
OK or NG
OK >> Steering tilt motor circuit is OK.
NG >> GO TO 3.
3. CHECK TILT MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector and tilt motor connector.
3. Check continuity between automatic drive positioner control unit
connector and tilt 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.
Test item Description
TILT MOTOR The tilt motor is activated by receiving the drive signal.
PIIA0280E
AB
Continuity Automatic drive
positioner control
unit connectorTerminalTilt motor
connectorTerminal
M735
M362
Ye s
42 1
A
GroundContinuity Automatic drive posi-
tioner control unit con-
nectorTerminal
M735
No
42
PIIB6142E

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

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

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

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

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Check Telescopic Sensor Circuit NIS0026H
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-
nectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (–)
M6 23 GroundTelescopic
top position4.6
Telescopic
bottom position0.4
PIIB6159E