sensor INFINITI QX56 2009 Factory Owner's Guide

ADP-82
< COMPONENT DIAGNOSIS >
TILT SENSOR
TILT SENSOR
DescriptionINFOID:0000000003775609
 The tilt sensor is installed to the steering column assembly.
 The resistance of tilt sensor is changed according to the up/down position of steering column.
 The terminal voltage of automatic drive positioner c ontrol unit will be changed according to a change of tilt
sensor resistance. Automatic drive positioner contro l unit calculates the tilt position from the voltage.
Component Function CheckINFOID:0000000003775610
1. CHECK FUNCTION
1. Select “TILT SEN” in “Data monitor” mode with CONSULT-III.
2. Check the tilt sensor signal under the following condition.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-82, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775611
1. CHECK TILT SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
Monitor item Condition Value
TILT SEN Tilt position Change between
1.2 V (Close to top)
3.4 V (Close to bottom)
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 7 Ground Tilt top position 2
Tilt bottom position 4
LIIA0485E
Revision: December 20092009 QX56

TILT SENSORADP-83
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
1. Disconnect automatic drive positi oner control unit and tilt motor
assembly.
2. Check continuity between autom atic drive positioner connector
M33 (A), M34 (B) terminals 7, 33, 41 and tilt motor assembly
connector M85 (C) terminals 2, 3, 4.
3. Check continuity between automat ic drive positioner control unit
connectors M33 (A), M34 (B ) terminals 7, 33, 41 and ground.
Is the inspection result normal?
YES >> Replace tilt motor assembly. Refer to ST-19, "Removal
and Installation".
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR OPERATION
1. Connect automatic drive positioner c ontrol unit and tilt motor assembly.
2. Turn ignition switch ON.
3. Check door mirror operation with memory function.
Is the operation normal?
YES >> Replace tilt motor assembly. Refer to ST-19, "Removal and Installation".
NO >> Replace automatic drive positioner control unit. Refer to ADP-166, "Removal and Installation"
.
4. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace automatic drive posit ioner control unit. Refer to ADP-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part. 7 - 3 : Continuity should exist.
33 - 2 : Continuity should exist.
41 - 4 : Continuity should exist.
7 - Ground : Continuity should not exist.
33 - Ground : Continuity should not exist.
41 - Ground : Continuity should not exist.
ALJIA0291ZZ
Revision: December 20092009 QX56

ADP-84
< COMPONENT DIAGNOSIS >
PEDAL ADJUSTING SENSOR
PEDAL ADJUSTING SENSOR
DescriptionINFOID:0000000003775612
 The pedal adjusting sensor is installed to the pedal assembly.
 The resistance of pedal adjusting sensor is changed according to the forward/backward position of pedalassembly.
 The terminal voltage of automatic drive positioner control unit will be changed according to a change of
pedal adjusting sensor resistance. Automatic drive pos itioner control unit calculates the pedal assembly
position from the voltage.
Component Function CheckINFOID:0000000003775613
1. CHECK FUNCTION
1. Select “PEDAL SEN” in “Dat a monitor” mode with CONSULT-III.
2. Check the pedal sensor signal under the following condition.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-84, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775614
1. CHECK PEDAL ADJUSTING SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK PEDAL ADJUSTING SENSOR CIRCUIT
Monitor item Condition Value
PEDAL SEN Pedal position Forward 0.5V
Backward 4.5V
Te r m i n a l
ConditionVoltage (V)
(Approx.)
(+)
(-)
Automatic
drive position- er control unit Te r m i n a l
M33 8 Ground Pedal as-
sembly
positionForward 0.5
Backward 4.5
PIIA4569E
Revision: December 20092009 QX56

PEDAL ADJUSTING SENSORADP-85
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
1. Disconect automatic drive positioner control unit and pedal adjusting motor assembly.
2. Check continuity between automat ic drive positioner control unit
harnnes connector and pedal adjusting motor assembly harness
connector.
3. Check continuity between automat ic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR OPERATION
1. Connect automatic drive positioner control unit and pedal adjusting motor assembly.
2. Turn ignition switch ON.
3. Check door mirror operation with memory function.
Is the operation normal?
YES >> Replace pedal adjusting motor assembly. Refer to ADP-169, "Removal and Installation".
NO >> Replace automatic drive positioner control unit. Refer to ADP-166, "Removal and Installation"
.
4. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace automatic drive posit ioner control unit. Refer to ADP-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Automatic drive posi-
tioner
control unit connector Te r m i n a lPedal adjusting
motor assembly connector Terminal Continuity
M33 (A) 8 E110 (B)4
Ye s
M34 (C) 33 3
41 5
Automatic drive positioner control unit connector Te r m i n a l
Ground Continuity
M33 (A) 8 No
M34 (C) 33
41
ALJIA0327ZZ
Revision: December 20092009 QX56

ADP-86
< COMPONENT DIAGNOSIS >
MIRROR SENSOR
MIRROR SENSOR
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000003775615
 The mirror sensor LH is installed to the door mirror actuator LH.
 The resistance of 2 sensors (horizontal and vertical) is changed when the door mirror LH is operated.
 Automatic drive positioner control unit calculates the door mirror position according to the change of the volt-
age of 2 sensor input terminals.
DRIVER SIDE : Component Function CheckINFOID:0000000003775616
1. CHECK FUNCTION
1. Select “MIR/SEN LH U-D”, “MIR/SEN LH R-L” in “Data monitor” with CONSULT-III.
2. Check mirror sensor (driver side) signal under the following condition.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-86, "DRIVER SIDE : Diagnosis Procedure"
.
DRIVER SIDE : Diagnosis ProcedureINFOID:0000000003775617
1. CHECK DOOR MIRROR LH SENSOR SIGNAL
1. Turn ignition switch to ACC.
2. Check voltage between door mirror LH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK DOOR MIRROR LH SENSOR CIRCUIT 1
Monitor item Condition Value
MIR/SEN LH U-D Door mirror LHClose to peak 3.4V
Close to valley 0.6V
MIR/SEN LH R-L Close to right edge 3.4V
Close to left edge 0.6V
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+)
(–)
Door mirror
LH connector Te r m i n a l
D4 7
Ground Door
mirror
LHClose to peak 3.4
Close to valley 0.6
8 Close to right edge 3.4
Close to left edge 0.6
LIIA1482E
Revision: December 20092009 QX56

MIRROR SENSORADP-87
< 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 LH.
3. Check continuity between automat ic drive positioner control unit
harness connector and door mirror LH harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR LH SENSOR CIRCUIT 2
1. Check continuity between automat ic drive positioner control unit
harness connector and door mirror LH harness connector.
2. Check continuity between automat ic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4. CHECK PEDAL ADJUSTING OPERATION
1. Connect driver seat control unit and door mirror LH.
2. Turn ignition switch ON.
3. Check pedal adjusting operation with memory function.
Is the operation normal?
YES >> Replace door mirror actuator LH. Refer to MIR-14, "Mirror Actuator".
NO >> Replace automatic drive positioner control unit. Refer to ADP-166, "Removal and Installation"
.
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace automatic drive posit ioner control unit. Refer to ADP-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Automatic drive
positioner control unit connector Te r m i n a l
Door mirror LH
connector Terminal Continuity
M33 6
D4 7
Ye s
22 8
Automatic drive positioner control unit connector Te r m i n a l
Ground Continuity
M33 6
No
22
LIIA1484E
Automatic drive
positioner control unit connector Te r m i n a l
Door mirror LH
connector Terminal Continuity
M34 33
D4 5
Ye s
41 6
Automatic drive positioner control unit connector Te r m i n a l
GroundContinuity
M34 33
No
41
LIIA1483E
Revision: December 20092009 QX56

ADP-88
< COMPONENT DIAGNOSIS >
MIRROR SENSOR
PASSENGER SIDE
PASSENGER SIDE : DescriptionINFOID:0000000003775618
 The mirror sensor RH is installed to the door mirror actuator RH.
 The resistance of 2 sensors (horizontal and vertical) is changed when the door mirror RH is operated.
 Automatic drive positioner control unit calculates the door mirror position according to the change of the volt-
age of 2 sensor input terminals.
PASSENGER SIDE : Component Function CheckINFOID:0000000003775619
1. CHECK FUNCTION
1. Select “MIR/SEN RH U-D”, “MIR/SEN RH R- L” in “Data monitor” with CONSULT-III.
2. Check the mirror sensor RH signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-88, "PASSENGER SIDE : Diagnosis Procedure"
.
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000003775620
1. CHECK DOOR MIRROR RH SENSOR SIGNAL
1. Turn ignition switch to ACC.
2. Check voltage between door mirror RH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK DOOR MIRROR RH SENSOR HARNESS CONTINUITY
Monitor item Condition Value
MIR/SEN RH U-D Door mirror RHClose to peak 3.4V
Close to valley 0.6V
MIR/SEN RH R-L Close to right edge 3.4V
Close to left edge 0.6V
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+)
(–)
Door mirror
RH con-
nector Te r m i n a l
D107 7
Ground Door mirror
RH Close to peak 3.4
Close to valley 0.6
8 Close to right edge 3.4
Close to left edge 0.6
LIIA1485E
Revision: December 20092009 QX56

MIRROR SENSORADP-89
< 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 RH.
3. Check continuity between automat ic drive positioner control unit
harness connector and door mirror RH harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR RH SENSOR POWER SUPPLY CIRCUIT
1. Check continuity between automat ic drive positioner control unit
harness connector and door mirror RH harness connector.
2. Check continuity between automat ic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4. CHECK PEDAL ADJUSTING OPERATION
1. Connect driver seat control unit and door mirror RH.
2. Turn ignition switch ON.
3. Check pedal adjusting operation with memory function.
Is the operation normal?
YES >> Replace door mirror actuator RH. Refer to MIR-14, "Mirror Actuator".
NO >> Replace automatic drive positioner control unit. Refer to ADP-166, "Removal and Installation"
.
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace automatic drive posit ioner control unit. Refer to ADP-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Automatic drive posi-
tioner control unit connector Te r m i n a l
Door mirror RH
connector Terminal Continuity
M33 5
D107 7
Ye s
21 8
Automatic drive positioner control unit connector Te r m i n a l
GroundContinuity
M33 5
No
21
LIIA1473E
Automatic drive posi-
tioner control unit connector Te r m i n a l
Door mirror RH
connector Terminal Continuity
M34 33
D107 5
Ye s
41 6
Automatic drive positioner control unit connector Te r m i n a l
GroundContinuity
M34 33
No
41
LIIA1486E
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

ADP-110
< ECU DIAGNOSIS >
DRIVER SEAT CONTROL UNIT
19 G CAN-L — —
21 LA/T shift selector (park position
switch) signal A/T selector lever in P position 0
A/T selector lever in other than P
position with ignition key in ignition
cylinder
Battery voltage
24 R/L Seat sliding motor sensor signal ON (seat sliding motor operation)
Other than above 0 or 5
25 Y/G Front lifting motor sensor signal ON (front lifting motor operation)
Other than above. 0 or 5
26 L/R Seat sliding switch FORWARD
signal ON (seat sliding switch FOR-
WARD operation)
0
Other than above Battery voltage
27 V/W Seat reclining switch FORWARD
signal ON (seat reclining switch FOR-
WARD operation)
0
Other than above Battery voltage
28 BR/Y Front lifting switch UP signal ON (front lifting switch UP opera-
tion)
0
Other than above Battery voltage
29 G/R Rear lifting switch UP signal ON (rear lifting switch UP opera-
tion)
0
Other than above Battery voltage
30 L/Y Pedal adjusting switch FOR-
WARD signal ON (pedal adjusting switch FOR-
WARD operation)
0
Other than above Battery voltage
31 GR/R Sensor ground — 0
32 G/W Ground — 0
33 W/B Battery power supply — Battery voltage
35 R/G Sliding motor FORWARD output
signal Sliding switch FORWARD opera-
tion (Motor operated)
Battery voltage
Other than above 0
36 L Reclining motor FORWARD out-
put signal Reclining switch FORWARD oper-
ation (Motor operated)
Battery voltage
Other than above 0
37 B Front lifting motor DOWN output
signal Front lifting switch DOWN opera-
tion (Motor operated)
Battery voltage
Other than above 0
Te r m i n a l
Wire
Color Item Condition Voltage (V)
(Approx.)
PIIA3277E
SIIA0691J
Revision: December 20092009 QX56