INFINITI QX56 2011 Factory Service Manual

ADP-112
< DTC/CIRCUIT DIAGNOSIS >
LIFTING MOTOR (REAR)
LIFTING MOTOR (REAR)
Component Function CheckINFOID:0000000006248408
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-112, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248409
1.CHECK LIFTING MOTOR (REAR) INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect lifting motor (rear) connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“SEAT LIFTER RR”) with CONSULT-III
5. Check voltage between lifting motor (rear) harness connector and ground.
Is the inspection result normal?
YES >> Replace lifting motor (rear) (built in seat cushion frame).
NO >> GO TO 2.
2.CHECK LIFTING MOTOR (REAR) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check continuity between driver seat control uni t harness connector and lifting motor (rear) harness con-
nector.
4. Check continuity between driver seat control unit harness connector and ground.
Te s t i t e m D e s c r i p t i o n
SEAT LIFTER RR OFF
Seat lifting (rear)Stop
UP Upward
DWN Downward
(+) (-) Condition Voltage (V)
(Approx.)
Lifting motor (rear)
Connector Terminals
B456 41
Ground SEAT LIFTER RR OFF 0
UP 12
DWN (DOWN) 0
42 OFF 0
UP 0
DWN (DOWN) 12
Driver seat control unit Lifting motor (rear)
Continuity
Connector Terminal Connector Terminal
B451 41
B456 41
Existed
42 42
Revision: 2010 May2011 QX56

LIFTING MOTOR (REAR)ADP-113
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Is the inspection result normal?
YES >> Replace driver seat control unit.
NO >> Repair or replace harness or connector.
Driver seat control unit GroundContinuity
Connector Terminal
B451 41
Not existed
42
Revision: 2010 May2011 QX56

ADP-114
< DTC/CIRCUIT DIAGNOSIS >
TILT MOTOR
TILT MOTOR
Component Function CheckINFOID:0000000006248410
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-114, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248411
1.CHECK TILT MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect tilt motor connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“TIL T MOTOR”) with CONSULT-III.
5. Check voltage between tilt motor harness connector and ground.
Is the inspection result normal?
YES >> Replace tilt motor (built in steering column assembly).
NO >> GO TO 2.
2.CHECK TILT MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit.
3. Check continuity between automatic drive positioner control unit harness connector and tilt motor harness
connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Te s t i t e m D e s c r i p t i o n
TILT MOTOR OFF
Steering tiltStop
UP Upward
DWN Downward
(+) (-) Condition Voltage (V)
(Approx.)
Tilt motor
Connector Terminals
M116 1
Ground TILT MOTOR OFF 0
UP 0
DWN (down) 12
2 OFF 0
UP 12
DWN (down) 0
Automatic drive positioner control unit Tilt motor
Continuity
Connector Terminal Connector Terminal
M104 28
M116 1
Existed
29 2
Revision: 2010 May2011 QX56

TILT MOTORADP-115
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M104 28
Not existed
29
Revision: 2010 May2011 QX56

ADP-116
< DTC/CIRCUIT DIAGNOSIS >
TELESCOPIC MOTOR
TELESCOPIC MOTOR
Component Function CheckINFOID:0000000006248412
1.CHECK FUNCTION
1. Select “TELESCO MOTOR” in “Act ive test” mode with CONSULT-III.
2. Check the telescopic motor operation.
Is the operation of relevant parts normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-116, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248413
1.CHECK TELESCOPIC MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect telescopic motor connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“TELESCO MOTOR”) with CONSULT-lll
5. Check voltage between telescopic motor harness connector and ground.
Is the inspection result normal?
YES >> Replace telescopic motor (built in steering column assembly).
NO >> GO TO 2.
2.CHECK TELESCOPIC MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit.
3. Check continuity between automatic drive positi oner control unit harness connector and telescopic motor
harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Te s t i t e m D e s c r i p t i o n
TELESCO MOTOR OFF
Steering telescopicStop
FR Forward
RR Backward
(+) (-) Condition Voltage (V)
(Approx.)
Telescopic motor
Connector Terminals
M117 1
GroundTELESCOPIC MO-
TOR OFF 0
FR (forward) 0
RR (backward) 12
2 OFF 0
FR (forward) 12
RR (backward) 0
Automatic drive positioner control unit Telescopic motor
Continuity
Connector Terminal Connector Terminal
M75 26
M117 1
Existed
29 2
Revision: 2010 May2011 QX56

TELESCOPIC MOTORADP-117
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 26
Not existed
29
Revision: 2010 May2011 QX56

ADP-118
< DTC/CIRCUIT DIAGNOSIS >
DOOR MIRROR MOTOR
DOOR MIRROR MOTOR
Component Function CheckINFOID:0000000006248414
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-22, "
CONSULT-III Function".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Refer to ADP-118, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006248415
1.CHECK DOOR MIRROR MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect door mirror connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR MIRROR MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positi oner control unit harness connector and door mirror har-
ness connector.
[driver side]
[passenger side]
4. Check continuity between automatic drive positioner control unit harness connector and ground.
(+)
(-) Condition Voltage (V)
(Approx.)
Door mirror
Connector Terminals
D3 (Driver side)
D23 (Passenger side) 12
GroundDoor mirror remote
control switch UP 12
Other than the above 0
11 LEFT 12
Other than the above 0
10 DOWN / RIGHT 12
Other than the above 0
Automatic drive positioner contro
l unit Door mirror (driver side)
Continuity
Connector Terminal Connector Terminal
M75 12
D3 10
Existed
23 12
24 11
Automatic drive positioner control unit Door mirror (passenger side) Continuity
Connector Terminal Connector Terminal
M75 22
D23 10
Existed
10 12
11 11
Revision: 2010 May2011 QX56

DOOR MIRROR MOTORADP-119
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
[driver side]
[passenger side]
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
3.CHECK DOOR MIRROR MOTOR
Check door mirror motor.
Refer to ADP-119, "
Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident.Refer to GI-40, "Intermittent Incident".
NO >> Replace door mirror.
Component InspectionINFOID:0000000006248416
1.CHECK DOOR MIRROR MOTOR 1
Check that door mirror motor does not trap foreign objects and does not have any damage.
Refer to MIR-32, "
Exploded View".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace door mirror.
2.CHECK DOOR MIRROR MOTOR 2
1. Turn ignition switch OFF.
2. Disconnect door mirror connector.
3. Apply 12 V to each power supply terminal of door mirror motor.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace door mirror.
Automatic drive positioner control unit
GroundContinuity
Connector Terminal
M75 12
Not existed
23
24
Automatic drive positioner control unit
GroundContinuity
Connector Terminal
M75 22
Not existed
10
11
Door mirror Operational direction
Connector Te r m i n a l
(+) (-)
D3 (Driver side)
D23 (Passenger side) 10 11 RIGHT
11 1 0 L E F T
12 10 UP
10 12 DOWN
Revision: 2010 May2011 QX56

ADP-120
< DTC/CIRCUIT DIAGNOSIS >
SEAT MEMORY INDICATOR
SEAT MEMORY INDICATOR
Component Function CheckINFOID:0000000006248417
1.CHECK FUNCTION
1. Select “MEMORY SW INDCTR” in “A ctive 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-120, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248418
1.CHECK SEAT MEMORY SWITCH INDICATOR OPERATION
Check seat memory switch indicator operation.
Which is the malfunctioning indicator?
All indicators are NG>>GO TO 2.
An indicator is NG>>GO TO 4.
2.CHECK FUSE
1. Turn ignition switch OFF.
2. Check that the blown fuse after repairing the affected circuit if a fuse is blown.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
3.CHECK SEAT MEMORY SWITCH INDICATOR POWER SUPPLY
Check voltage between seat memory switch harness connector and ground.
Is the inspection result normal?
YES >> Replace seat memory switch.
NO >> Repair or replace harness or connector.
4.CHECK SEAT MEMORY SW ITCH INDICATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control uni t and seat memory switch connector.
3. Check continuity between driver seat control unit harness connector and seat memory switch harness
connector.
Te s t i t e m D e s c r i p t i o n
MEMORY SW INDCTR OFF
Memory switch indicatorOFF
ON-1 Indicator 1: ON
ON-2 Indicator 2: ON
Signal name Fuse No.
Battery power supply 10 (10 A)
(+) (-)Voltage (V)
(Approx.)
Seat memory switch
Connector Terminals D13 5 Ground Battery voltage
Revision: 2010 May2011 QX56

SEAT MEMORY INDICATORADP-121
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
4. Check continuity between driver s eat control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace driver seat control unit.
NO >> Repair or replace harness or connector.
Driver seat control unit Seat memory switch Continuity
Connector Terminal Connector Terminal
B452 23
D13 6
Existed
77
Driver seat control unit GroundContinuity
Connector Terminal
B452 23
Not existed
7
Revision: 2010 May2011 QX56