control unit INFINITI M35 2007 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2007, Model line: M35, Model: INFINITI M35 2007Pages: 4647, PDF Size: 93.69 MB
Page 4255 of 4647
SE-56
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
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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
Page 4257 of 4647
SE-58
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
Page 4258 of 4647
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
Page 4259 of 4647
SE-60
AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 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 connectorTe r m i n a lRear 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
control unit
connectorTerminal
B204 10 Ground 5
PIIB6158E
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AUTOMATIC DRIVE POSITIONER
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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
Page 4261 of 4647
SE-62
AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 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 connectorTe r m i n a lTelescopic 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
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AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
Check Tilt Sensor Circuit NIS0026I
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
Page 4263 of 4647
SE-64
AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
2. CHECK HARNESS
1. Disconnect automatic drive positioner control unit connector and tilt sensor connector.
2. Check continuity harness between automatic drive positioner control unit connector and tilt sensor con-
nector.
3. 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.
Check Door Mirror Sensor LH CircuitNIS0026J
1. CHECK DOOR MIRROR FUNCTION
Check the following items.
Operation malfunction in memory operation.
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning parts, and check the symptom again.
AB
Continuity Automatic drive
positioner control
unit connectorTe r m i n a lTilt sensor
connectorTerminal
M6 7
M372
Ye s
M733 3
41 1
A
GroundContinuity Automatic drive posi-
tioner control unit con-
nectorTerminal
M6 7
No
M733
41
PIIB6162E
Terminals
Voltage (V)
(Approx.) (+)
(–) Automatic drive
positioner control
unit connectorTerminal
M6 7 Ground 5
PIIB6161E
Page 4264 of 4647
AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
2. CHECK DOOR MIRROR LH SENSOR
With CONSULT–II
Check that “VOLTAGE” is displayed on “MIR/SE LH R–L, MIR/SE LH U–D” in the DATA MONITOR.
Without CONSULT–II
1. Turn ignition switch to ACC.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Mirror sensor LH circuit is OK.
NG >> GO TO 3.
Monitor item
[OPERATION or UNIT]Contents
MIR/
SEN LH R–L“V”Voltage output from door mirror LH sensor (LH/
RH) is displayed.
MIR/
SEN LH U–D“V”Voltage output from door mirror LH sensor (UP/
DOWN) is displayed.
PIIB6495E
Automatic
drive posi-
tioner con-
trol unit
connectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
M622
GroundMirror motor is
operated LEFT or
RIGHTChanges between
3.5 (close to right edge) –
0.5 (close to left edge)
6Mirror motor is
operated UP or
DOWN Changes between
4.2 (close to peak) – 0.5
(close to valley)
PIIB6163E