Ignition switch INFINITI QX56 2010 Factory Repair Manual

ADP-80
< COMPONENT DIAGNOSIS >
FRONT DOOR SWITCH (DRIVER SIDE)
Component Inspection
INFOID:0000000005147525
1. CHECK FRONT DOOR SWITCH LH
1. Turn ignition switch OFF.
2. Disconnect front door switch LH.
3. Check continuity between front door switch LH terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace front door switch LH.
Te r m i n a l Condition Continuity
Front door switch LH
2 Ground part of
door switch Front door switch
LH Pushed No
Released Yes
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SLIDING SENSORADP-81
< COMPONENT DIAGNOSIS >
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SLIDING SENSOR
DescriptionINFOID:0000000005147526
• The sliding sensor is installed to the power seat frame assembly.
• The pulse signal is input to the driver seat control unit when sliding is performed.
• The driver seat control unit counts the pulse and calculates the sliding amount of the seat.
Component Function CheckINFOID:0000000005147527
1. CHECK FUNCTION
1. Select “SLIDE PULSE” in “Data monitor” mode with CONSULT-III.
2. Check sliding sensor signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-81, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147528
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK SLIDING SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Read voltage signal between driver seat control unit harness connector and ground with osiloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK SLIDING SENSOR CIRCUITS
Monitor item Condition Valve
SLIDE PULSE Seat slidingOperate (forward)
Change (increase)
Operate (backward) Change (decrease)
Release No change
Te r m i n a l s
ConditionVoltage signal
(+)
(–)
Driver’s
seat
control unit Te r m i -
nal
B202 24 Ground Seat
slidingOperate
Other
than
above
0 or 5
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Revision: April 20092010 QX56

RECLINING SENSORADP-83
< COMPONENT DIAGNOSIS >
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RECLINING SENSOR
DescriptionINFOID:0000000005147529
• The reclining motor is installed to the seatback assembly.
• The pulse signal is inputted to the driver seat control unit when the reclining is operated.
• The driver seat control unit counts the pulse and calculates the reclining amount of the seat.
Component Function CheckINFOID:0000000005147530
1. CHECK FUNCTION
1. Select “RECLN PULSE” in “Data monitor” mode with CONSULT-III.
2. Check reclining sensor signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-83, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147531
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK RECLINING SENSOR 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 RECLINING SENSOR CIRCUIT
Monitor item Condition Value
RECLN PULSE Seat recliningOperate (forward)
Change (increase)
Operate (backward) Change (decrease)
Release No change
Te r m i n a l s
Condition Voltage signal
(+)
(–)
Driver
seat con-
trol unit Te r m i -
nal
B202 9 Ground Seat
reclin-
ingOperate
Other
than
above
0 or 5
PIIA4559E
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Revision: April 20092010 QX56

LIFTING SENSOR (FRONT)ADP-85
< COMPONENT DIAGNOSIS >
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LIFTING SENSOR (FRONT)
DescriptionINFOID:0000000005147532
• The lifting sensor (front) is installed to the power seat frame assembly.
• The pulse signal is input to the driver seat control unit when the lifting (front) is operated.
• The driver seat control unit counts the pulse and ca lculates the lifting (front) amount of the seat.
Component Function CheckINFOID:0000000005147533
1.CHECK FUNCTION
1. Select “LIFT FR PULSE” in “Data monitor” mode with CONSULT-III.
2. Check the lifting sensor (front) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-85, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147534
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING SENSOR (FRONT) SIGNAL
1. Turn ignition switch OFF.
2. Read the voltage signal between driver seat control unit harness connector and ground with an oscilloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK LIFTING SENSOR (FRONT) CIRCUIT
Monitor item Condition Value
LIFT FR PULSE Seat lifting (front)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 25 Ground Seat
lifting
(front)Oper-
ate
Other
than
above
0 or 5
PIIA4561E
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Revision: April 20092010 QX56

LIFTING SENSOR (REAR)ADP-87
< COMPONENT DIAGNOSIS >
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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
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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
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Revision: April 20092010 QX56

ADP-90
< COMPONENT DIAGNOSIS >
TILT SENSOR
1. Disconnect automatic drive positioner control unit and tilt motorassembly.
2. Check continuity between automatic drive positioner connector
M33 (A), M34 (B) terminals 7, 33, 41 and tilt motor assembly
connector M85 (C) terminals 2, 3, 4.
3. Check continuity between automatic drive positioner control unit connectors M33 (A), M34 (B) terminals 7, 33, 41 and ground.
Is the inspection result normal?
YES >> Replace tilt motor assembly. Refer to ST-19, "Removal
and Installation".
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR OPERATION
1. Connect automatic drive positioner control unit and tilt motor assembly.
2. Turn ignition switch ON.
3. Check door mirror operation with memory function.
Is the operation normal?
YES >> Replace tilt motor assembly. Refer to ST-19, "Removal and Installation".
NO >> Replace automatic drive posit ioner control unit. Refer to ADP-175, "
Removal and Installation".
4. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit. Refer to ADP-175, "Removal and Installation".
NO >> Repair or replace the malfunctioning part. 7 - 3
: Continuity should exist.
33 - 2 : Continuity should exist.
41 - 4 : Continuity should exist.
7 - Ground : Continuity should not exist.
33 - Ground : Continuity should not exist.
41 - Ground : Continuity should not exist.
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Revision: April 20092010 QX56

PEDAL ADJUSTING SENSORADP-91
< COMPONENT DIAGNOSIS >
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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

ADP-92
< COMPONENT DIAGNOSIS >
PEDAL ADJUSTING SENSOR
1. Disconect automatic drive positioner control unit and pedaladjusting motor assembly.
2. Check continuity between automat ic drive positioner control unit
harnnes connector and pedal adjusting motor assembly harness
connector.
3. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR OPERATION
1. Connect automatic drive positioner control unit and pedal adjusting motor assembly.
2. Turn ignition switch ON.
3. Check door mirror operation with memory function.
Is the operation normal?
YES >> Replace pedal adjusting motor assembly. Refer to ADP-178, "Removal and Installation".
NO >> Replace automatic drive posit ioner control unit. Refer to ADP-175, "
Removal and Installation".
4. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit. Refer to ADP-175, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Automatic drive posi-
tioner
control unit connector Te r m i n a lPedal adjusting
motor assembly connector Terminal Continuity
M33 (A) 8
E110 (B) 4
Ye s
M34 (C) 33
3
41 5
Automatic drive positioner control unit connector Te r m i n a l
Ground Continuity
M33 (A) 8
No
M34 (C) 33
41
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Revision: April 20092010 QX56

MIRROR SENSORADP-93
< COMPONENT DIAGNOSIS >
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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
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Revision: April 20092010 QX56