ignition INFINITI QX56 2009 Factory Repair Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2009, Model line: QX56, Model: INFINITI QX56 2009Pages: 4171, PDF Size: 84.65 MB
Page 96 of 4171
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
Page 97 of 4171
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
Page 98 of 4171
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
Page 99 of 4171
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
Page 100 of 4171
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
Page 101 of 4171
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
Page 102 of 4171
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
Page 103 of 4171
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
Page 104 of 4171
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
Page 106 of 4171
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