ignition INFINITI QX56 2009 Factory Workshop Manual

ADP-66
< COMPONENT DIAGNOSIS >
DOOR MIRROR REMOTE CONTROL SWITCH
Check door mirror remote control switch.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace door mirror remote control switch. Refer to ADP-168, "Removal and Installation"
.
MIRROR SWITCH
MIRROR SWITCH : DescriptionINFOID:0000000003775585
It operates angle of the door mirror face.
It transmits mirror face adjust operation to automatic drive positioner control unit.
MIRROR SWITCH : Component Function CheckINFOID:0000000003775586
1. CHECK MIRROR SWITCH FUNCTION
Check the operation on “MIR CON SW–UP/DN” and “MI R CON SW–RH/LH” in “DATA MONITOR” mode
with CONSULT-III.
Refer to ADP-28, "CONSULT-III Function"
.
Is the inspection result normal?
YES >> Mirror switch function is OK.
NO >> Refer to ADP-66, "MIRROR SWITCH : Diagnosis Procedure"
.
MIRROR SWITCH : Dia gnosis ProcedureINFOID:0000000003775587
1. CHECK MIRROR SWITCH FUNCTION
1. Turn ignition switch to ACC.
2. Check voltage between automatic drive positioner control unit connector and ground.
Is the inspection result normal?
YES >> GO TO 6
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
Te r m i n a l Change over switch
condition Continuity
Door mirror remote control switch
10 7LEFT Yes
Other than above No
11 RIGHT Yes
Other than above No
ALJIA0272ZZ
Te r m i n a l s
Mirror switchCondition Voltage (V)
(Approx.)
(+)
(–)
Automatic drive
positioner control unit connector Te r m i n a l
M33 3
Ground UP 0
Other than above 5
4 LEFT 0
Other than above 5
19 DOWN 0
Other than above 5
20 RIGHT 0
Other than above 5
PIIA4771E
Revision: December 20092009 QX56

DOOR MIRROR REMOTE CONTROL SWITCHADP-67
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mir- ror remote control switch.
3. Check continuity between automat ic drive positioner control unit
connector and door mirror remote control switch connector.
4. Check continuity between automatic driv e positioner control unit connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR REMOTE CONTROL SWITCH GROUND CIRCUIT
Check continuity between door mirror remote control switch connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4. CHECK AUTOMATIC DRIVE POSITION ER CONTROL UNIT OUTPUT SIGNAL
1. Connect automatic drive positioner control unit.
2. Turn ignition switch to ACC.
3. Check voltage between automatic drive positioner control unit
and ground.
Is the inspection result normal?
Automatic drive
positioner control unit connector Te r m i n a lDoor mirror remote
control switch con- nector Terminal Continuity
M33 (A) 3
D10 (B) 15
Ye s
413
19 12
20 4
Automatic drive positioner control unit connector Te r m i n a l
GroundContinuity
M33 (A) 3
No
4
19
20
ALJIA0191ZZ
Door mirror remote control switch connector Terminal
Ground Continuity
D10 7 Yes
ALJIA0189ZZ
Te r m i n a l s Voltage (V)(Approx.)
(+)
(-)
Automatic drive positioner
control unit connector Te r m i n a l
M33 3
Ground 5
4
19
20
PIIA4771E
Revision: December 20092009 QX56

POWER SEAT SWITCH GROUND CIRCUITADP-69
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
POWER SEAT SWITCH GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000003775589
1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH connector and ground.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent
Incident".
NO >> Repair or replace harness.
Power seat switch LH
connector Te r m i n a l
GroundContinuity
B208 7 Yes
ALJIA0316ZZ
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

DETENTION SWITCHADP-71
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and A/T shift selector.
3. Check continuity between driver seat control unit harness con-
nector (A) and A/T shift selector harness connector (B).
4. Check continuity between driver seat control unit harness con-
nector (A) and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4. 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.
AB Continuity
Connector Terminal Connector Terminal
B202 21 M203 6 Yes
A GroundContinuity
Connector Terminal
B202 21 No
ALJIA0194ZZ
Revision: December 20092009 QX56

FRONT DOOR SWITCH (DRIVER SIDE)ADP-73
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
1. Turn ignition switch OFF.
2. Disconnect front door switch LH.
3. Check continuity between front door switch LH terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace front door switch LH.
Te r m i n a l Condition Continuity
Front door switch LH
2 Ground part of
door switch Front door switch
LH Pushed No
Released Yes
LIIA2377E
Revision: December 20092009 QX56

ADP-74
< COMPONENT DIAGNOSIS >
SLIDING SENSOR
SLIDING SENSOR
DescriptionINFOID:0000000003775597
 The sliding sensor is installed to the power seat frame assembly.
 The pulse signal is input to the driver seat control unit when sliding is performed.
 The driver seat control unit counts the pulse and calculates the sliding amount of the seat.
Component Function CheckINFOID:0000000003775598
1. CHECK FUNCTION
1. Select “SLIDE PULSE” in “Data monitor” mode with CONSULT-III.
2. Check sliding sensor signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-74, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775599
1. CHECK SLIDING SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Read voltage signal between driver seat control unit harness connector and ground with osiloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK SLIDING SENSOR CIRCUITS
Monitor item Condition Valve
SLIDE PULSE Seat sliding Operate (forward) Change (increase)
Operate (backward) Change (decrease)
Release No change
Te r m i n a l s
Condition Voltage signal
(+)
(–)
Driver’s
seat
control unit Te r m i -
nal
B202 24 Ground Seat
slidingOperate
Other
than
above
0 or 5
PIIA4556E
PIIA3277E
Revision: December 20092009 QX56

ADP-76
< COMPONENT DIAGNOSIS >
RECLINING SENSOR
RECLINING SENSOR
DescriptionINFOID:0000000003775600
 The reclining motor is installed to the seatback assembly.
 The pulse signal is inputted to the driver seat control unit when the reclining is operated.
 The driver seat control unit counts the pulse and calculates the reclining amount of the seat.
Component Function CheckINFOID:0000000003775601
1. CHECK FUNCTION
1. Select “RECLN PULSE” in “Data monitor” mode with CONSULT-III.
2. Check reclining sensor signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-76, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775602
1. CHECK RECLINING SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK RECLINING SENSOR CIRCUIT
Monitor item Condition Value
RECLN PULSE Seat reclining Operate (forward) Change (increase)
Operate (backward) Change (decrease)
Release No change
Te r m i n a l s
Condition Voltage signal
(+)
(–)
Driver
seat con-
trol unit Te r m i -
nal
B202 9 Ground Seat
reclin-
ingOperate
Other
than
above
0 or 5
PIIA4559E
SIIA0692J
Revision: December 20092009 QX56

ADP-78
< COMPONENT DIAGNOSIS >
LIFTING SENSOR (FRONT)
LIFTING SENSOR (FRONT)
DescriptionINFOID:0000000003775603
 The lifting sensor (front) is installed to the power seat frame assembly.
 The pulse signal is input to the driver seat control unit when the lifting (front) is operated.
 The driver seat control unit counts the pulse and ca lculates the lifting (front) amount of the seat.
Component Function CheckINFOID:0000000003775604
1.CHECK FUNCTION
1. Select “LIFT FR PULSE” in “Data monitor” mode with CONSULT-III.
2. Check the lifting sensor (front) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-78, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775605
1. CHECK LIFTING SENSOR (FRONT) SIGNAL
1. Turn ignition switch OFF.
2. Read the voltage signal between driver seat control unit harness connector and ground with an oscilloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK LIFTING SENS OR (FRONT) CIRCUIT
Monitor item Condition Value
LIFT FR PULSE Seat lifting (front) Operate (up) Change (increase)
Operate (down) Change (decrease)
Release No change
Te r m i n a l s
Condition Voltage signal
(+)
(–)
Driver
seat con- trol unit
connector Te r m i -
nal
B202 25 Ground Seat
lifting
(front)Oper-
ate
Other
than
above
0 or 5
PIIA4561E
SIIA0691J
Revision: December 20092009 QX56

ADP-80
< COMPONENT DIAGNOSIS >
LIFTING SENSOR (REAR)
LIFTING SENSOR (REAR)
DescriptionINFOID:0000000003775606
 The lifting sensor (rear) is installed to the power seat frame assembly.
 The pulse signal is input to the driver seat control unit when the lifting (rear) is operated.
 The driver seat control unit counts the pulse and ca lculates the lifting (rear) amount of the seat.
Component Function CheckINFOID:0000000003775607
1. CHECK FUNCTION
1. Select “LIFT RR PULSE” in “Data monitor” mode with CONSULT-III.
2. Check lifting sensor (rear) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-80, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775608
1. CHECK LIFTING SENSOR (REAR) SIGNAL
1. Turn ignition switch OFF.
2. Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK LIFTING SENSOR (REAR) CIRCUIT
Monitor item Condition Value
LIFT RR PULSE Seat lifting (rear) Operate (up) Change (increase)
Operate (down) Change (decrease)
Release No change
Te r m i n a l s
Condition Voltage signal
(+)
(–)
Driver
seat con- trol unit
connector Te r m i -
nal
B202 10 Ground Seat
lifting
(rear)Oper-
ate
Other
than
above
0 or 5
PIIA4563E
SIIA0693J
Revision: December 20092009 QX56