2009 INFINITI QX56 turn signal

ADP-46
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis ProcedureINFOID:0000000004055989
1. CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> Inspection End.
NO >> Repair or replace harness.
DRIVER SEAT CONTROL UNIT
Terminal No. Signal name Fuses and fusible link No.
57 Battery power supply 22 (15A)
70 F (50A)
11 Ignition ACC or ON 4 (10A)
38 Ignition ON or START 59 (10A)
Connector Te r m i n a l s
Power
source Condition
Voltage (V) (Ap-
prox.)
(+) (-)
M18 11 Ground
ACC
power
supply Ignition
switch
ACC or ON Battery voltage
38 Ground Ignition
power
supply Ignition
switch ON or START Battery voltage
M20 57 Ground
Battery
power
supply Ignition
switch
OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage
LIIA2415E
BCM
GroundContinuity
Connector Terminal
M20 67 Yes
LIIA0915E
Revision: December 20092009 QX56

SLIDING SWITCHADP-49
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
SLIDING SWITCH
DescriptionINFOID:0000000003775553
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 unit when the sliding switch is operated.
Component Function CheckINFOID:0000000003775554
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-49, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775555
1. CHECK SLIDING 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 SLIDING SWITCH CIRCUIT
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con-
nector and ground.
Monitor item Condition Status
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
Driver seat control
unit connector Te r m i n a l
Power seat switch
LH connector Terminal Continuity
B202 (A) 11
B208 (B) 1
Ye s
26 5
ALJIA0308ZZ
Revision: December 20092009 QX56

RECLINING SWITCHADP-51
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
RECLINING SWITCH
DescriptionINFOID:0000000003775557
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:0000000003775558
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-51, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775559
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
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con-
nector and ground.
Monitor item Condition Status
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
Driver seat control unit connector Te r m i n a l
Power seat switch
LH connector Terminal Continuity
B202 (A) 12
B208 (B) 9
Ye s
27 10
ALJIA0310ZZ
Revision: December 20092009 QX56

LIFTING SWITCH (FRONT)ADP-53
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
LIFTING SWITCH (FRONT)
DescriptionINFOID:0000000003775561
Lifting switch (front) is equipped to the power seat swit ch LH on the seat cushion trim cover. The operation sig-
nal is input to the driver seat control unit when the lifting switch (front) is operated.
Component Function CheckINFOID:0000000003775562
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-53, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775563
1. CHECK LIFTING 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 LIFTING SWITCH (FRONT) CIRCUIT
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con-
nector and ground.
Monitor item Condition Status
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
Driver seat control unit connector Te r m i n a lPower seat switch
LH connector Terminal Continuity
B202 (A) 13
B208 (B) 9
Ye s
28 10
ALJIA0312ZZ
Revision: December 20092009 QX56

LIFTING SWITCH (REAR)ADP-55
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
LIFTING SWITCH (REAR)
DescriptionINFOID:0000000003775565
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:0000000003775566
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-55, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775567
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
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con-
nector and ground.
Monitor item Condition Status
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
Driver seat control unit connector Te r m i n a lPower sear switch
LH connector Terminal Continuity
B202 (A) 14
B208 (B) 2
Ye s
29 6
ALJIA0314ZZ
Revision: December 20092009 QX56

TILT SWITCHADP-57
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
TILT SWITCH
DescriptionINFOID:0000000003775569
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:0000000003775570
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-57, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775571
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
1. Disconnect automatic drive positioner control unit and ADP steering switch.
2. Check continuity between automat ic drive positioner control unit
connector M33 terminals 1, 17 and ADP steering switch connec-
tor M16 terminals 2, 3.
3. Check continuity between automat ic drive positioner control unit
connector M33 terminals 1, 17 and ground.
Monitor item Condition Status
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
1 - 2 : Continuity should exist.
17 - 3 : Continuity should exist.
LIIA1434E
Revision: December 20092009 QX56

PEDAL ADJUSTING SWITCHADP-59
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
PEDAL ADJUSTING SWITCH
DescriptionINFOID:0000000003775573
Pedal adjusting switch is on the instrument panel. The oper ation signal is input to the driver seat control unit
when the pedal adjusting switch is operated. The pedal adjus ting switch signal is sent to the automatic drive
positioner control unit via UART communication.
Component Function CheckINFOID:0000000003775574
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-59, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775575
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 Condition Status
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
(forward) 0
Release Battery
voltage
30 Operate
(backward) 0
Release Battery
voltage
PIIA4591E
Revision: December 20092009 QX56

ADP-62
< COMPONENT DIAGNOSIS >
SEAT MEMORY SWITCH
SEAT MEMORY SWITCH
DescriptionINFOID:0000000003775577
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:0000000003775578
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-62, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775579
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 automat ic 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.
2. CHECK MEMORY SW ITCH GROUND CIRCUIT
Monitor item Condition Status
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: December 20092009 QX56