2009 INFINITI QX56 battery

ADP-54
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (FRONT)
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace driver seat control unit. Refer to ADP-165, "Removal and Installation"
.
4. CHECK LIFTING SWITCH (FRONT)
Refer to ADP-54, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-68, "Disassembly and Assembly"
.
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace driver seat control unit. Refer to ADP-165, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775564
1. CHECK LIFTING SWITCH (FRONT)
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace power seat switch LH. Refer to SE-68, "Disassembly and Assembly"
.
Driver seat control unit
connector Te r m i n a l
GroundContinuity
B202 (A) 13
No
28
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 13
Ground Battery voltage
28
PIIA4583E
Te r m i n a l Condition Continuity
Power seat switch LH
7 9 Lifting switch front (down)
Operate Yes
Release No
10 Lifting switch front (up) Operate Yes
Release No
ALJIA0313ZZ
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

ADP-56
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (REAR)
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace driver seat control unit. Refer to ADP-165, "Removal and Installation"
.
4. CHECK LIFTING SWITCH (REAR)
Refer to ADP-56, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-68, "Disassembly and Assembly"
.
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace driver seat control unit. Refer to ADP-165, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775568
1. CHECK LIFTING SWITCH (REAR)
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace power seat switch LH. Refer to SE-68, "Disassembly and Assembly"
.
Driver seat control unit
connector Terminal
GroundContinuity
B202 (A) 14
No
29
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 14
Ground Battery voltage
29
PIIA4586E
Te r m i n a l Condition Continuity
Power seat switch LH
7 2 Lifting switch rear (down)
Operate Yes
Release No
6 Lifting switch rear (up) Operate Yes
Release No
ALJIA0315ZZ
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-60
< COMPONENT DIAGNOSIS >
PEDAL ADJUSTING SWITCH
1. Disconnect driver seat control unit and pedal adjusting switch.
2. Check continuity between driver seat control unit harness con-nector and pedal adjusting switch harness connector.
3. Check continuity between driver seat control unit harness con- nector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace driver seat control unit. Refer to ADP-165, "Removal and Installation"
.
4. CHECK PEDAL ADJUSTING SWITCH
Refer to ADP-61, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace pedal adjusting switch. Refer to IP-12, "Exploded View"
.
5. CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT
Check continuity between pedal adjusting switch connector M96 ter-
minal 1 and ground.
Is the inspection result normal?
YES >> GO TO 6
NO >> Repair or replace harness.
6. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Driver seat
control unit connector Te r m i n a l
Pedal adjusting
switch connector Terminal Continuity
B202 15
M96 2
Ye s
30 3
Driver seat control unit connector Te r m i n a l
GroundContinuity
B202 15
No
30
LIIA0726E
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 15
Ground Battery voltage
30
PIIA4591E
1 - Ground : Continuity should exist.
LIIA1015E
Revision: December 20092009 QX56

ADP-70
< COMPONENT DIAGNOSIS >
DETENTION SWITCH
DETENTION SWITCH
DescriptionINFOID:0000000003775590
Park position switch is installed on A/T shift selector. It is turned OFF when the A/T selector lever is in P posi-
tion. The driver seat control unit judges that the A/T select or lever is in P position if continuity does not exist in
this circuit.
Component Function CheckINFOID:0000000003775591
1. CHECK FUNCTION
1. Select “DETENT SW” signal in “D ata monitor” mode with CONSULT-III.
2. Check park position switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-70, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775592
1. CHECK DTC WITH “BCM”
Check “Self Diagnostic Result” for BCM with CONSULT-lll.
Is any other DTC detected?
YES >> Check the DTC.
NO >> GO TO 2
2. CHECK PARK POSITION SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Mechanical key must be removed from the key switch.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 3
3. CHECK PARK POSITION SWITCH CIRCUIT
Monitor item Condition Status
DETENT SW A/T selector lever P position OFF
Other than
above
ON
Driver seat
control unit connector Te r m i n a l
ConditionVoltage (V)
(Approx.)
(+) (-)
B202 21 Ground A/T selec-
tor leverP position
Battery volt-
age
Other than
above 0V
ALJIA0193ZZ
Revision: December 20092009 QX56

ADP-90
< COMPONENT DIAGNOSIS >
SLIDING MOTOR
SLIDING MOTOR
DescriptionINFOID:0000000003775621
 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:0000000003775622
1. CHECK FUNCTION
1. Select “SEAT SLIDE” in “Act ive 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-90, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775623
1. CHECK SLIDING MOTOR LH POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“SEAT SLIDE”) with CONSULT-lll
3. Check voltage between driver seat 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-68, "Disassembly
and Assembly".
NO >> GO TO 2
2. CHECK SLIDING MOTOR LH CIRCUIT
Test Item Description
SEAT SLIDE OFF
Seat sliding Sto p
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: December 20092009 QX56

ADP-92
< COMPONENT DIAGNOSIS >
RECLINING MOTOR
RECLINING MOTOR
DescriptionINFOID:0000000003775624
 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:0000000003775625
1. CHECK FUNCTION
1. Select “SEAT RECLINING” in “A ctive 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-92, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775626
1. CHECK RECLINING MOTOR LH POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“SEA T RECLINING”) with CONSULT-lll
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> Replace reclining motor LH. (Built in seatback assembly). Refer to SE-68, "Disassembly and
Assembly".
NO >> GO TO 2
2. CHECK RECLINING MOTOR LH CIRCUIT
Test Item Description
SEAT RECLINING OFF
Seat reclining Sto p
FR Forward
RR Backward
Te r m i n a l
Te s t I t e mVoltage (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: December 20092009 QX56