diagram INFINITI QX56 2010 Factory Owner's Guide

LIFTING SENSOR (REAR)ADP-87
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LIFTING SENSOR (REAR)
DescriptionINFOID:0000000005147535
• The lifting sensor (rear) is installed to the power seat frame assembly.
• The pulse signal is input to the driver seat control unit when the lifting (rear) is operated.
• The driver seat control unit counts the pulse and calculates the lifting (rear) amount of the seat.
Component Function CheckINFOID:0000000005147536
1. CHECK FUNCTION
1. Select “LIFT RR PULSE” in “Data monitor” mode with CONSULT-III.
2. Check lifting sensor (rear) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-87, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147537
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING SENSOR (REAR) SIGNAL
1. Turn ignition switch OFF.
2. Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK LIFTING SENSOR (REAR) CIRCUIT
Monitor item Condition Value
LIFT RR PULSE Seat lifting (rear)Operate (up)
Change (increase)
Operate (down) Change (decrease)
Release No change
Te r m i n a l s
ConditionVoltage signal
(+)
(–)
Driver
seat con- trol unit
connector Te r m i -
nal
B202 10 Ground Seat
lifting
(rear)Oper-
ate
Other
than
above
0 or 5
PIIA4563E
SIIA0693J
Revision: April 20092010 QX56

TILT SENSORADP-89
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TILT SENSOR
DescriptionINFOID:0000000005147538
• The tilt sensor is installed to the steering column assembly.
• The resistance of tilt sensor is changed according to the up/down position of steering column.
• The terminal voltage of automatic drive positioner c ontrol unit will be changed according to a change of tilt
sensor resistance. Automatic drive positioner control unit calculates the tilt position from the voltage.
Component Function CheckINFOID:0000000005147539
1. CHECK FUNCTION
1. Select “TILT SEN” in “Data monitor” mode with CONSULT-III.
2. Check the tilt sensor signal under the following condition.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-89, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147540
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK TILT SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector
and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
Monitor item Condition Value
TILT SEN Tilt position Change between
1.2 V (Close to top)
3.4 V (Close to bottom)
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 7 Ground Tilt top position 2
Tilt bottom position
4
LIIA0485E
Revision: April 20092010 QX56

PEDAL ADJUSTING SENSORADP-91
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PEDAL ADJUSTING SENSOR
DescriptionINFOID:0000000005147541
• The pedal adjusting sensor is installed to the pedal assembly.
• The resistance of pedal adjusting sensor is changed ac cording to the forward/backward position of pedal
assembly.
• The terminal voltage of automatic drive positioner control unit will be changed according to a change of pedal adjusting sensor resistance. Automatic drive pos itioner control unit calculates the pedal assembly
position from the voltage.
Component Function CheckINFOID:0000000005147542
1. CHECK FUNCTION
1. Select “PEDAL SEN” in “Data monitor” mode with CONSULT-III.
2. Check the pedal sensor signal under the following condition.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-91, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147543
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK PEDAL ADJUSTING SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK PEDAL ADJUSTING SENSOR CIRCUIT
Monitor item ConditionValue
PEDAL SEN Pedal positionForward
0.5V
Backward 4.5V
Te r m i n a l
ConditionVoltage (V)
(Approx.)
(+)
(-)
Automatic
drive position- er control unit Te r m i n a l
M33 8 Ground Pedal as-
sembly
positionForward 0.5
Backward 4.5
PIIA4569E
Revision: April 20092010 QX56

MIRROR SENSORADP-93
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MIRROR SENSOR
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000005147544
• The mirror sensor LH is installed to the door mirror actuator LH.
• The resistance of 2 sensors (horizontal and vert ical) is changed when the door mirror LH is operated.
• Automatic drive positioner control uni t calculates the door mirror position according to the change of the volt-
age of 2 sensor input terminals.
DRIVER SIDE : Comp onent Function CheckINFOID:0000000005147545
1. CHECK FUNCTION
1. Select “MIR/SEN LH U-D”, “MIR/SEN LH R- L” in “Data monitor” with CONSULT-III.
2. Check mirror sensor (driver side) signal under the following condition.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-93, "
DRIVER SIDE : DiagnosisProcedure".
DRIVER SIDE : Diagnosis ProcedureINFOID:0000000005147546
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK DOOR MIRROR LH SENSOR SIGNAL
1. Turn ignition switch to ACC.
2. Check voltage between door mirror LH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK DOOR MIRROR LH SENSOR CIRCUIT 1
Monitor item ConditionValue
MIR/SEN LH U-D Door mirror LHClose to peak
3.4V
Close to valley 0.6V
MIR/SEN LH R-L Close to right edge
3.4V
Close to left edge 0.6V
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+)
(–)
Door mirror
LH connector Te r m i n a l
D4 7
Ground Door
mirror
LHClose to peak
3.4
Close to valley 0.6
8 Close to right edge 3.4
Close to left edge 0.6
LIIA1482E
Revision: April 20092010 QX56

MIRROR SENSORADP-95
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PASSENGER SIDE
PASSENGER SIDE : DescriptionINFOID:0000000005147547
• The mirror sensor RH is installed to the door mirror actuator RH.
• The resistance of 2 sensors (horizontal and vert ical) is changed when the door mirror RH is operated.
• Automatic drive positioner control uni t calculates the door mirror position according to the change of the volt-
age of 2 sensor input terminals.
PASSENGER SIDE : Co mponent Function CheckINFOID:0000000005147548
1. CHECK FUNCTION
1. Select “MIR/SEN RH U-D”, “MIR/SEN RH R-L” in “Data monitor” with CONSULT-III.
2. Check the mirror sensor RH signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-95, "
PASSENGER SIDE : DiagnosisProcedure".
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000005147549
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK DOOR MIRROR RH SENSOR SIGNAL
1. Turn ignition switch to ACC.
2. Check voltage between door mirror RH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK DOOR MIRROR RH SENSOR HARNESS CONTINUITY
Monitor item ConditionValue
MIR/SEN RH U-D Door mirror RHClose to peak
3.4V
Close to valley 0.6V
MIR/SEN RH R-L Close to right edge
3.4V
Close to left edge 0.6V
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+)
(–)
Door mirror
RH con-
nector Te r m i n a l
D107 7
Ground Door mirror
RH Close to peak
3.4
Close to valley 0.6
8 Close to right edge 3.4
Close to left edge 0.6
LIIA1485E
Revision: April 20092010 QX56

SLIDING MOTORADP-97
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SLIDING MOTOR
DescriptionINFOID:0000000005147550
• The sliding motor LH is installed to the power seat frame assembly.
• The sliding motor LH is activated by the driver seat control unit.
• The seat is slid forward/backward by changing the rotation direction of sliding motor LH.
Component Function CheckINFOID:0000000005147551
1. CHECK FUNCTION
1. Select “SEAT SLIDE” in “Active test” mode with CONSULT-III.
2. Check the sliding motor LH operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-97, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147552
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK SLIDING MOTOR LH POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“SEA T SLIDE”) with CONSULT-lll
3. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> Replace sliding motor LH. (Built in power seat frame assembly). Refer to SE-69, "Disassembly
and Assembly".
NO >> GO TO 2
2. CHECK SLIDING MOTOR LH CIRCUIT
Test Item Description
SEAT SLIDE OFF
Seat sliding Stop
FR Forward
RR Backward
Te r m i n a l
Test ItemVoltage (V)
(Approx.)
(+)
(-)
Driver seat
control unit connector Te r m i n a l
B203 35
Ground SEAT
SLIDE OFF
0
FR (forward) Battery voltage
RR (backward) 0
42 OFF
0
FR (forward) 0
RR (backward) Battery voltage
PIIA4801E
Revision: April 20092010 QX56

RECLINING MOTORADP-99
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RECLINING MOTOR
DescriptionINFOID:0000000005147553
• The reclining motor LH is installed to the seatback assembly.
• The reclining motor LH is activated with the driver seat control unit.
• The seatback is reclined forward/backward by changing the rotation direction of reclining motor LH.
Component Function CheckINFOID:0000000005147554
1. CHECK FUNCTION
1. Select “SEAT RECLINING” in “Active test” mode with CONSULT-III.
2. Check the reclining motor LH operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-99, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147555
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK RECLINING MOTOR LH POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“SEAT RECLINING”) with CONSULT-lll
3. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> Replace reclining motor LH. (Built in seatback assembly). Refer to SE-69, "Disassembly and
Assembly".
NO >> GO TO 2
2. CHECK RECLINING MOTOR LH CIRCUIT
Test Item Description
SEAT RECLINING OFF
Seat reclining St op
FR Forward
RR Backward
Te r m i n a l
Test ItemVoltage (V)
(Approx.)
(+)
(-)
Driver
seat con- trol unit
connector Te r m i n a l
B203 36
Ground SEAT RE-
CLINING OFF 0
FR (forward) Battery voltage
RR (backward) 0
44 OFF 0
FR (forward) 0
RR (backward) Battery voltage
PIIA4802E
Revision: April 20092010 QX56

LIFTING MOTOR (FRONT)ADP-101
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LIFTING MOTOR (FRONT)
DescriptionINFOID:0000000005147556
• The lifting motor (front) is installed to the power seat frame assembly.
• The lifting motor (front) is activat ed with the driver seat control unit.
• The lifter (front) is moved upward/downward by changi ng the rotation direction of lifting motor (front).
Component Function CheckINFOID:0000000005147557
1. CHECK FUNCTION
1. Select “SEAT LIFTER FR” in “A ctive test” mode with CONSULT-III.
2. Check the lifting motor (front) operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-101, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147558
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING MOTOR (FRONT) POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“SEAT LIFTER FR”) with CONSULT-lll.
3. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> Replace lifting motor (front). (Built in power seat frame assembly). Refer to SE-69, "Disassembly
and Assembly".
NO >> GO TO 2
2. CHECK LIFTING MOTOR (FRONT) CIRCUIT
Test Item Description
SEAT LIFTER FR OFF
Seat lifting (front) St op
UP Upward
DWN Downward
Te r m i n a l
Te s t I t e mVoltage (V)
(Approx.)
(+)
(-)
Driver seat
control unit connector Te r m i n a l
B203 37
Ground SEAT
LIFTER
FR OFF
0
UP 0
DWN (down) Battery voltage
45 OFF
0
UP Battery voltage
DWN (down) 0
PIIA4805E
Revision: April 20092010 QX56

LIFTING MOTOR (REAR)ADP-103
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LIFTING MOTOR (REAR)
DescriptionINFOID:0000000005147559
• The lifting motor (rear) is installed to the power seat frame assembly.
• The lifting motor (rear) is activated with the driver seat control unit.
• The seat lifter (rear) is moved upward/downward by c hanging the rotation direction of lifting motor (rear).
Component Function CheckINFOID:0000000005147560
1. CHECK FUNCTION
1. Select “SEAT LIFTER RR” in “Act ive test” mode with CONSULT-III.
2. Check the lifting motor (rear) operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-103, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147561
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING MOTOR (REAR) POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“SEAT LIFTER RR”) with CONSULT-lll
3. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> Replace lifting motor (rear). (Built in power seat frame assembly). Refer to SE-69, "Disassembly
and Assembly".
NO >> GO TO 2
2. CHECK LIFTING MOTOR (REAR) CIRCUIT
Test Item Description
SEAT LIFTER RR OFF
Seat lifting (rear) Stop
UP Upward
DWN Downward
Te r m i n a l
Test ItemVoltage (V)
(Approx.)
(+)
(-)
Driver seat
control unit connector Te r m i n a l
B203 38
Ground SEAT
LIFTER
RROFF
0
UP Battery voltage
DWN (down) 0
39 OFF
0
UP 0
DWN (down) Battery voltage
PIIA4804E
Revision: April 20092010 QX56

TILT MOTORADP-105
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TILT MOTOR
DescriptionINFOID:0000000005147562
• The tilt motor is installed to the steering column assembly.
• The tilt motor is activated with the automatic drive positioner control unit.
• The steering column is tilted upward/downward by changing the rotation direction of tilt motor.
Component Function CheckINFOID:0000000005147563
1. CHECK FUNCTION
1. Select “TILT MOTOR” in “Act ive test” mode with CONSULT-III.
2. Check the tilt motor operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-105, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147564
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK TILT MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and tilt motor assembly.
3. Check continuity between automatic drive positioner control unit connector M34 (A) terminals 35, 42 and tilt motor assembly con-
nector M86 (B) terminals 1, 5.
4. Check continuity between automat ic drive positioner control unit
connector M34 (A) terminals 35, 42 and ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace harness.
2. CHECK AUTOMATIC DRIVE POSITION ER CONTROL UNIT OUTPUT SIGNAL
Test item Description
TILT MOTOR OFF
Steering tilt St op
UP Upward
DWN Downward
35 - 1: Continuity should exist.
42 - 5 : Continuity should exist.
35 - Ground : Continuity should not exist.
42 - Ground : Continuity should not exist.
ALJIA0293ZZ
Revision: April 20092010 QX56