2010 INFINITI QX56 wiring diagram

ADP-48
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
NO >> Repair or replace harness.
DRIVER SEAT CONTROL UNIT : Special Repair RequirementINFOID:0000000005147479
1. PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to Owner’s Manual.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CO NTROL UNIT : Diagnosis Procedure
INFOID:0000000005147480
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.
Regarding Wiring Diagram information, refer to ADP-138, "
Wiring Diagram".
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit.
3. Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace harness.
2. CHECK GROUND CIRCUIT
Check continuity between the automat ic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES >> Automatic drive positioner control unit power supply and ground circuit are OK.
NO >> Repair or replace harness.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement
INFOID:0000000005147481
1. PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Automatic drive positioner
control unit connector Te r m i n a l
M34 34
Ground Battery voltage
39
PIIA4543E
Automatic drive positioner
control unit connector Te r m i n a l
GroundContinuity
M34 40
Ye s
48
PIIA4544E
Revision: April 20092010 QX56

ADP-50
< COMPONENT DIAGNOSIS >
SLIDING SWITCH
SLIDING SWITCH
DescriptionINFOID:0000000005147482
Sliding switch is equipped to the power seat switch LH on the seat cushion trim cover. The operation signal is
input to the driver seat control uni t when the sliding switch is operated.
Component Function CheckINFOID:0000000005147483
1. CHECK FUNCTION
1. Select “SLIDE SW-FR”, “SLIDE SW-RR” in “Data monitor” mode with CONSULT-III.
2. Check sliding switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-50, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147484
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK SLIDING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK SLIDING SWITCH CIRCUIT
Monitor item ConditionStatus
SLIDE SW-FR Sliding switch (forward) Operate
ON
Release OFF
SLIDE SW-RR Sliding switch (backward) Operate
ON
Release OFF
Driver seat control
unit connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 11
Ground Sliding
switch Operate
(backward) 0
Release Battery
voltage
26 Operate
(forward) 0
Release Battery
voltage
PIIA4577E
Revision: April 20092010 QX56

RECLINING SWITCHADP-53
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
RECLINING SWITCH
DescriptionINFOID:0000000005147486
Reclining switch is equipped to the power seat switch LH on the seat cushion trim cover. The operation signal
is input to the driver seat control unit when the reclining switch is operated.
Component Function CheckINFOID:0000000005147487
1. CHECK FUNCTION
1. Select “RECLN SW-FR”, “RECLN SW-RR” in “Data monitor” mode with CONSULT-III.
2. Check reclining switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-53, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147488
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK RECLINING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK RECLINING SWITCH CIRCUIT
Monitor item ConditionStatus
RECLN SW-FR Reclining switch (forward) Operate
ON
Release OFF
RECLN SW-RR Reclining switch (backward) Operate
ON
Release OFF
Driver seat
control unit
connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 12
Ground Reclining
switch Operate
(backward) 0
Release Battery voltage
27 Operate
(forward) 0
Release Battery voltage
PIIA4580E
Revision: April 20092010 QX56

ADP-56
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (FRONT)
LIFTING SWITCH (FRONT)
DescriptionINFOID:0000000005147490
Lifting switch (front) is equipped to the power seat switch LH on the seat cushion trim cover. The operation sig-
nal is input to the driver seat control uni t when the lifting switch (front) is operated.
Component Function CheckINFOID:0000000005147491
1. CHECK FUNCTION
1. Select “LIFT FR SW-UP”, “LIFT FR SW-DN” in “DATA MONITOR” mode with CONSULT-III.
2. Check lifting switch (front) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-56, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147492
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK LIFTING SW ITCH (FRONT) CIRCUIT
Monitor item ConditionStatus
LIFT FR SW-UP Lifting switch front (up) Operate
ON
Release OFF
LIFT FR SW-DN Lifting switch front (down) Operate
ON
Release OFF
Driver seat
control unit
connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 13
Ground Lifting
switch (front) Operate
(down) 0V
Release Battery
voltage
28 Operate (up) 0V
Release Battery
voltage
PIIA4583E
Revision: April 20092010 QX56

LIFTING SWITCH (REAR)ADP-59
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
LIFTING SWITCH (REAR)
DescriptionINFOID:0000000005147494
Lifting switch (rear) is equipped to the power seat switch LH on the seat cushion trim cover. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (rear) is operated.
Component Function CheckINFOID:0000000005147495
1. CHECK FUNCTION
1. Select “LIFT RR SW-UP”, “LIFT RR SW-DN” in “Data monitor” mode with CONSULT-III.
2. Check lifting switch (rear) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-59, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147496
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING SWITCH (REAR) SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK LIFTING SWITCH (REAR) CIRCUIT
Monitor item ConditionStatus
LIFT RR SW-UP Lifting switch rear (up) Operate
ON
Release OFF
LIFT RR SW-DN Lifting switch rear (down) Operate
ON
Release OFF
Driver seat
control unit
connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 14
Ground Lifting
switch (rear) Operate (down) 0
Release Battery voltage
29 Operate (up) 0
Release Battery voltage
PIIA4586E
Revision: April 20092010 QX56

ADP-62
< COMPONENT DIAGNOSIS >
TILT SWITCH
TILT SWITCH
DescriptionINFOID:0000000005147498
ADP steering switch is equipped to the steering column. The operation signal is input to the automatic drive
positioner control unit when the ADP steering switch is operated.
Component Function CheckINFOID:0000000005147499
1. CHECK FUNCTION
1. Select “TILT SW-UP”, “TILT SW-DN” in “Data monitor” mode with CONSULT-III.
2. Check tilt switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-62, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147500
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK ADP STEERING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK ADP STEERING SWITCH HARNESS CONTINUITY
Monitor item ConditionStatus
TILT SW-UP Tilt switch (up) Operate
ON
Release OFF
TILT SW-DN Tilt switch (down) Operate
ON
Release OFF
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 1
Ground ADP steering switch ON (UP
operation)
0
Other than above 5
17 ADP steering switch ON
(DOWN operation)
0
Other than above 5
LIIA0491E
Revision: April 20092010 QX56

PEDAL ADJUSTING SWITCHADP-65
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
PEDAL ADJUSTING SWITCH
DescriptionINFOID:0000000005147502
Pedal adjusting switch is on the instrument panel. The operation signal is input to the driver seat control unit
when the pedal adjusting switch is operated. The pedal adjusting switch signal is sent to the automatic drive
positioner control unit via UART communication.
Component Function CheckINFOID:0000000005147503
1. CHECK FUNCTION
1. Select “PEDAL SW-FR”, “PEDAL SW-RR” in “Data monitor” mode with CONSULT-III.
2. Check pedal adjusting switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-65, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147504
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK PEDAL ADJUSTING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK PEDAL ADJUSTING SWITCH CIRCUIT
Monitor item ConditionStatus
PEDAL SW-FR Pedal adjusting switch (forward) Operate
ON
Release OFF
PEDAL SW-RR Pedal adjusting switch (backward) Operate
ON
Release OFF
Driver seat
control unit connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 15
Ground Pedal ad-
justing switch Operate
(backward) 0
Release Battery
voltage
30 Operate
(forward) 0
Release Battery
voltage
PIIA4591E
Revision: April 20092010 QX56

ADP-68
< COMPONENT DIAGNOSIS >
SEAT MEMORY SWITCH
SEAT MEMORY SWITCH
DescriptionINFOID:0000000005147506
The seat memory switch is installed on the front door LH trim. The operation signal is input to the automatic
drive positioner control unit when the memory switch is operated.
Component Function CheckINFOID:0000000005147507
1. CHECK FUNCTION
1. Select “MEMORY SW 1”, “MEMORY SW 2”, "SET SW" in “Data monitor” mode with CONSULT-III.
2. Check seat memory switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-68, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147508
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK MEMORY SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and seat memory switch.
3. Check continuity between automatic drive positioner control unit harness connector and seat memory switch harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace harness.
Monitor item ConditionStatus
MEMORY SW1 Memory switch 1 Push
ON
Release OFF
MEMORY SW2 Memory switch 2 Push
ON
Release OFF
SET SW Set switch Push
ON
Release OFF
Automatic drive
positioner control unit connector Te r m i n a l
Seat memory
switch connector Terminal Continuity
M33 9
D5 1
Ye s
24 3
25 2
Automatic drive positioner control unit connector Terminal
GroundContinuity
M33 9
No
24
25
PIIA4576E
Revision: April 20092010 QX56