ignition INFINITI QX56 2009 Factory Manual PDF

ADP-94
< COMPONENT DIAGNOSIS >
LIFTING MOTOR (FRONT)
LIFTING MOTOR (FRONT)
DescriptionINFOID:0000000003775627
 The lifting motor (front) is installed to the power seat frame assembly.
 The lifting motor (front) is activated with the driver seat control unit.
 The lifter (front) is moved upward/downward by changing the rotation direction of lifting motor (front).
Component Function CheckINFOID:0000000003775628
1. CHECK FUNCTION
1. Select “SEAT LIFTER FR” in “Active 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-94, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775629
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 seat 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-68, "Disassembly
and Assembly".
NO >> GO TO 2
2. CHECK LIFTING MO TOR (FRONT) CIRCUIT
Test Item Description
SEAT LIFTER FR OFF
Seat lifting (front) Sto p
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 37
Ground SEAT
LIFTER
FR OFF 0
UP 0
DWN (down) Battery voltage
45 OFF 0
UP Battery voltage
DWN (down) 0
PIIA4805E
Revision: December 20092009 QX56

ADP-96
< COMPONENT DIAGNOSIS >
LIFTING MOTOR (REAR)
LIFTING MOTOR (REAR)
DescriptionINFOID:0000000003775630
 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 changing the rotation direction of lifting motor (rear).
Component Function CheckINFOID:0000000003775631
1. CHECK FUNCTION
1. Select “SEAT LIFTER RR” in “A ctive 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-96, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775632
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 seat 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-68, "Disassembly
and Assembly".
NO >> GO TO 2
2. CHECK LIFTING MO TOR (REAR) CIRCUIT
Test Item Description
SEAT LIFTER RR OFF
Seat lifting (rear) Sto p
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: December 20092009 QX56

ADP-98
< COMPONENT DIAGNOSIS >
TILT MOTOR
TILT MOTOR
DescriptionINFOID:0000000003775633
 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:0000000003775634
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-98, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775635
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 automat ic 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 POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect the automatic drive posit ioner control unit and tilt motor
assembly.
2. Check voltage between automatic drive positioner control unit connector and ground.
Test item Description
TILT MOTOR OFF
Steering tilt Sto p
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
LIIA0482E
Revision: December 20092009 QX56

ADP-100
< COMPONENT DIAGNOSIS >
PEDAL ADJUSTING MOTOR
PEDAL ADJUSTING MOTOR
DescriptionINFOID:0000000003775636
 The pedal adjusting motor is installed to the pedal assembly.
 The pedal adjusting motor is activated with the automatic drive positioner control unit.
 The pedal assembly is adjusted forward/backward by changing the rotation direction of pedal adjustingmotor.
Component Function CheckINFOID:0000000003775637
1. CHECK FUNCTION
1. Select “ADJ PEDAL MOTOR” in “Active test” mode with CONSULT-III.
2. Check the pedal adjusting motor operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-100, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775638
1. CHECK PEDAL ADJUSTING MOTOR POWER SUPPLY
1. Turn the ignition switch OFF.
2. Perform “Active test” (“ADJ PEDAL MOTOR”) with CONSULT-lll.
3. Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace pedal adjusting motor assembly. Refer to ADP-169, "Removal and Installation".
NO >> GO TO 2
2. CHECK PEDAL ADJUSTING MOTOR CIRCUIT
Test item Description
ADJ PEDAL MOTOR OFF
Pedal adjusting motor Sto p
FR Forward
RR Backward
Te r m i n a l
Test ItemVoltage
(V)
(Approx.)
(+)
(-)
Automatic
drive posi-
tioner con- trol unit
connector Te r m i n a l
M34 37
Ground ADJ PED-
AL MOTOR OFF 0
RR (backward) 0
FR (forward)
Battery
voltage
45 OFF 0
RR (backward)
Battery
voltage
FR (forward) 0
PIIA4806E
Revision: December 20092009 QX56

ADP-102
< COMPONENT DIAGNOSIS >
DOOR MIRROR MOTOR
DOOR MIRROR MOTOR
DescriptionINFOID:0000000003775639
It makes mirror face operate from side to side and up and down with the electric power that automatic drive
positioner control unit supplies.
Component Function CheckINFOID:0000000003775640
1. CHECK DOOR MIRROR MOTOR FUNCTION
Check the operation with “MIRROR MOTOR RH” and “MI RROR MOTOR LH” in “ACTIVE TEST” mode with
CONSULT-III
Refer to ADP-28, "CONSULT-III Function"
.
Is the inspection result normal?
YES >> Door mirror motor function is OK.
NO >> Refer to ADP-102, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775641
1. CHECK DOOR MIRROR MOTOR INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between door mirror connector and ground.
Is the inspection result normal?
YES >> Refer to ADP-104, "Component Inspection".
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive posit ioner control unit and door mir-
ror.
3. Check continuity between automat ic drive positioner control unit
connector and door mirror connector.
Door mirror LH
Te r m i n a l s
Door mirror re-
mote control
switch condition Voltage (V)
(Approx.)
(+)
(–)
Door mirror
connector Te r m i n a l
D4 (LH)
D107 (RH) 1
Ground UP Battery voltage
Other than above 0
2 LEFT Battery voltage
Other than above 0
3 DOWN / RIGHT Battery voltage
Other than above 0
ALJIA0196ZZ
Automatic drive
positioner control unit connector Te r m i n a l
Door mirror LH
connector Terminal Continuity
M33 16
D4 3
Ye s
31 1
32 2
LIIA1880E
Revision: December 20092009 QX56

DOOR MIRROR MOTORADP-103
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Door mirror RH
4. Check continuity between automat ic drive positioner control unit
connector and ground.
Door mirror LH
Door mirror RH
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK AUTOMATIC DRIVE POSITION ER CONTROL UNIT OUTPUT SIGNAL
1. Connect automatic drive positioner control unit.
2. Turn ignition switch ON.
3. Check voltage between automatic drive positioner control unit
connector and ground.
Door mirror LH
Automatic drive posi-
tioner control unit con- nector Te r m i n a l
Door mirror
RH connector Terminal Continuity
M33 14
D107 1
Ye s
15 2
30 3
Automatic drive position- er control unit connector Te r m i n a l
GroundContinuity
M33 16
No
31
32
Automatic drive position- er control unit connector Te r m i n a l
GroundContinuity
M33 14
No
15
30
LIIA1888E
Te r m i n a l s
Mirror switch condition Voltage (V)
(Approx.)
(+)
(-)
Automatic drive
positioner control unit connector Te r m i n a l
M33 16
Ground DOWN / RIGHT Battery voltage
Other than above 0
31 UP Battery voltage
Other than above 0
32 LEFT Battery voltage
Other than above 0
ALJIA0197ZZ
Revision: December 20092009 QX56

ADP-104
< COMPONENT DIAGNOSIS >
DOOR MIRROR MOTOR
Door mirror RH
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace automatic drive positioner control unit. Refer to ADP-166, "Removal and Installation"
.
4. CHECK DOOR MIRROR MOTOR
Check door mirror motor.
Refer to ADP-104, "Component Inspection"
.
Is the inspection result normal?
YES >> Refer to GI-38, "Intermittent Incident".
NO >> Replace door mirror actuator. Refer to MIR-14, "Mirror Actuator"
.
Component InspectionINFOID:0000000003775642
1. CHECK DOOR MIRROR MOTOR-I
Check that door mirror motor does not trap foreign objects and does not have any damage.
Refer to MIR-14, "Exploded View"
.
Is the inspection result normal?
YES >> GO TO 2
NO >> Replace door mirror actuator. Refer to MIR-14, "Mirror Actuator"
.
2. CHECK DOOR MIRROR MOTOR-II
1. Turn ignition switch OFF.
2. Disconnect door mirror.
3. Apply 12V to each power supply terminal of door mirror motor.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace door mirror actuator. Refer to MIR-14, "Mirror Actuator"
.
Te r m i n a l s
Mirror switch con-dition Voltage (V)
(Approx.)
(+)
(-)
Automatic drive
positioner con-
trol unit connec-
tor Te r m i n a l
M33 14
GroundUP Battery voltage
Other than above 0
15 LEFT Battery voltage
Other than above 0
30 DOWN / RIGHT Battery voltage
Other than above 0
ALJIA0198ZZ
Door mirror connector Te r m i n a l
Operational direction
(+) (–)
D4 (LH)
D107 (RH) 32 RIGHT
23 LEFT
13 UP
31 DOWN
ALJIA0199ZZ
Revision: December 20092009 QX56

SEAT MEMORY INDICATOR LAMPADP-105
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
SEAT MEMORY INDICATOR LAMP
DescriptionINFOID:0000000003775643
 The seat memory switch is installed on the driver si de door trim. The operation signal is inputted to the auto-
matic drive positioner control unit when the memory switch is operated.
 The status of automatic drive positioner system can be checked according to the illuminating/flashing status.
Component Function CheckINFOID:0000000003775644
1. CHECK FUNCTION
1. Select “MEMORY SW INDCTR” in “Active test” mode with CONSULT-III.
2. Check the memory indicator operation.
Is the operation of relevant parts normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-105, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775645
1. CHECK SEAT MEMORY INDICATOR 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 memo ry 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 INDICATOR POWER SUPPLY
Test item Description
MEMORY SW INDCTR OFF
Memory switch indicator OFF
ON-1 Indicator 1: ON
ON-2 Indicator 2: ON
Automatic drive
positioner control
unit connector Te r m i n a l
Seat memory switch
connector Terminal Continuity
M33 12
D5 6
Ye s
13 7
Automatic drive position- er connector Te r m i n a l
GroundContinuity
M33 12
No
13
LIIA1022E
Revision: December 20092009 QX56

ADP-108
< ECU DIAGNOSIS >
DRIVER SEAT CONTROL UNIT
TERMINAL LAYOUT
PHYSICAL VALUES
DETENT SW AT selector leverP position OFF
Other than above ON
STARTER SW Ignition position Cranking ON
Other than above OFF
SLIDE PULSE Seat sliding Forward The numeral value decreases
Backward The numeral value increases
Other than above No change to numeral value
RECLN PULSE Seat reclining Forward The numeral value decreases
Backward The numeral value increases
Other than above No change to numeral value
LIFT FR PULSE Seat lifter (front) Up The numeral value decreases
Down The numeral value increases
Other than above No change to numeral value
LIFT RR PULSE Seat lifter (rear) Up The numeral value decreases
Down The numeral value increases
Other than above No change to numeral value
MIR/SEN RH U–D Door mirror (passenger side) Close to peak 3.4
Close to valley 0.6
MIR/SEN RH R–L Door mirror (passenger side) Close to left edge 3.4
Close to right edge 0.6
MIR/SEN LH U–D Door mirror (driver side) Close to peak 3.4
Close to valley 0.6
MIR/SEN LH R–L Door mirror (driver side) Close to left edge 0.6
Close to right edge 3.4
PEDAL SEN Pedal position Forward 0.5
Backward 4.5
Monitor Item Condition Value/Status
LIIA2449E
Revision: December 20092009 QX56

DRIVER SEAT CONTROL UNITADP-109
< ECU DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Te r m i n a l Wire
Color Item Condition Voltage (V)
(Approx.)
1 W UART LINE (RX) Pedal adjusting switch ON (FOR-
WARD or BACKWARD operation)
3 L/B CAN-H — —
6 R Ignition switch (START) Ignition switch (START position) Battery voltage
9 R/B Reclining motor sensor signal ON (seat reclining motor opera-
tion)
Other than above 0 or 5
10 B/R Rear lifting motor sensor signal ON (rear lifting motor operation)
Other than above 0 or 5
11 Y / R Sliding switch BACKWARD sig-
nal ON (seat sliding switch BACK-
WARD operation)
0
Other than above Battery voltage
12 L/W Reclining switch BACKWARD
signal ON (seat reclining switch BACK-
WARD operation)
0
Other than above Battery voltage
13 V Front lifting switch DOWN signal ON (front lifting switch DOWN op-
eration)
0
Other than above Battery voltage
14 P/L Rear lifting switch DOWN signal ON (rear lifting switch DOWN op-
eration)
0
Other than above Battery voltage
15 SB Pedal adjusting switch BACK-
WARD signal ON (pedal adjusting switch BACK-
WARD operation)
0
Other than above Battery voltage
16 R/W Seat sensor power Ignition switch ON 5
17 Y/R UART LINE (TX) Pedal adjusting switch ON (FOR-
WARD or BACKWARD operation)
PIIA4813E
SIIA0692J
SIIA0693J
PIIA4814E
Revision: December 20092009 QX56