ignition INFINITI QX56 2011 Factory Repair Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2011, Model line: QX56, Model: INFINITI QX56 2011Pages: 5598, PDF Size: 94.53 MB
Page 107 of 5598
ADP-98
< DTC/CIRCUIT DIAGNOSIS >
TILT SENSOR
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK TILT SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between tilt motor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK TILT SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
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.
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
5.CHECK TILT SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
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.
Is the inspection result normal?
YES >> Replace tilt motor.
NO >> Repair or replace harness or connector.
(+) (-)Voltage (V)
(Approx.)
Tilt motor
Connector Terminals M116 4 Ground 12
Automatic drive positioner control unit Tilt motor Continuity
Connector Terminal Connector Terminal
M104 27 M116 4 Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M104 27 Not existed
Automatic drive positioner control unit Tilt motor Continuity
Connector Terminal Connector Terminal
M75 20 M116 6 Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 20 Not existed
Revision: 2010 May2011 QX56
Page 108 of 5598
TELESCOPIC SENSORADP-99
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
TELESCOPIC SENSOR
Component Function CheckINFOID:0000000006248396
1.CHECK FUNCTION
1. Select “TELESCO PULSE” in “Dat a monitor” mode with CONSULT-III.
2. Check telescopic sensor signal under the following conditions.
*1 : The value at the seat position attained when the battery is connected is considered to be 32768.
Is the indication normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-99, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248397
1.CHECK TELESCOPIC SENSOR SIGNAL
1. Turn ignition switch ON.
2. Check voltage signal between driver seat c ontrol unit connector and ground with oscilloscope.
Is the inspection result normal?
YES >> Replace driver seat control unit.
NO >> GO TO 2.
2.CHECK TELESCOPIC SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and telescopic motor connector.
3. Check continuity between driver seat control unit harness connector and telescopic motor harness con-
nector.
4. Check continuity between driver s eat control unit harness connector and ground.
Monitor item Condition Value
TELESCO PULSE Steering column Operate (forward)
Change (increase)
*1
Operate (backward)Change (decrease)*1
Release
No change*1
(+)
(-) Condition Voltage (V)
(Approx.)
Driver seat control unit
Connector Terminals
B452 5 Ground Ste eri ng co l-
umnOperate
Other than the
above
0 or 5
JMJIA0119ZZ
Driver seat control unit Telescopic motor
Continuity
Connector Terminal Connector Terminal
B4525M1175Existed
Revision: 2010 May2011 QX56
Page 109 of 5598
ADP-100
< DTC/CIRCUIT DIAGNOSIS >
TELESCOPIC SENSOR
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK TELESCOPIC SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between telescopic motor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK TELESCOPIC SENSOR POWER SUPPLY 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 telescopic motor
harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
5.CHECK TELESCOPIC SENSOR GROUND 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 telescopic motor
harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
Driver seat control unit GroundContinuity
Connector Terminal
B452 5 Not existed
(+) (-)Voltage (V)
(Approx.)
Telescopic motor
Connector Terminals M117 4 Ground 12
Automatic drive positioner control unit Telescopic motor Continuity
Connector Terminal Connector Terminal
M104 27 M117 4 Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M104 27 Not existed
Automatic drive positioner control unit Telescopic motor Continuity
Connector Terminal Connector Terminal
M75 20 M117 6 Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 20 Not existed
Revision: 2010 May2011 QX56
Page 111 of 5598
ADP-102
< DTC/CIRCUIT DIAGNOSIS >
MIRROR SENSOR
MIRROR SENSOR
DRIVER SIDE
DRIVER SIDE : Component Function CheckINFOID:0000000006248398
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-102, "
DRIVER SIDE : DiagnosisProcedure".
DRIVER SIDE : Diagnosis ProcedureINFOID:0000000006248399
1.CHECK DOOR MIRROR (DRIVER SIDE) SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect door mirror (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR MIRROR (DRIVER SIDE ) SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive posit ioner control unit harness connector and door mirror
(driver side) harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
Monitor item Condition Value
MIR/SEN LH U-D Door mirror (driver side)Change between
3.4 [V] (close to peak)
0.6 [V] (close to valley)
MIR/SEN LH R-L Change between
0.6 [V] (close to left edge)
3.4 [V] (close to right edge)
(+)
(-)Voltage (V)
(Approx.)
Door mirror (driver side)
Connector Terminals D3 23 Ground 5
Automatic drive positioner control unit Door mirror (driver side) Continuity
Connector Terminal Connector Terminal
M7521D323Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 21 Not existed
Revision: 2010 May2011 QX56
Page 112 of 5598
MIRROR SENSORADP-103
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
3.CHECK DOOR MIRROR (DRIVER SIDE) SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive posit ioner control unit harness connector and door mirror
(driver side) harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connector.
4.CHECK DOOR MIRROR (DRIVE R SIDE) SENSOR CIRCUIT
1. Check continuity between automatic drive posit ioner control unit harness connector and door mirror
(driver side) harness connector.
2. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace door mirror sensor (built in driver side door mirror).
NO >> Repair or replace harness or connector.
PASSENGER SIDE
PASSENGER SIDE : Co mponent Function CheckINFOID:0000000006248400
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 (passenger side) signal under the following conditions.
Is the indication normal?
YES >> INSPECTION END
Automatic drive positioner control unit Door mirror (driver side) Continuity
Connector Terminal Connector Terminal
M7520D324Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 20 Not existed
Automatic drive positioner control unit Door mirror (driver side) Continuity
Connector Terminal Connector Terminal
M75 6
D3 21
Existed
18 22
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 6
Not existed
18
Monitor item Condition Value
MIR/SEN RH U-D Door mirror (passenger side)Change between
3.4 [V] (close to peak)
0.6 [V] (close to valley)
MIR/SEN RH R-L Change between
3.4 [V] (close to left edge)
0.6 [V] (close to right edge)
Revision: 2010 May2011 QX56
Page 113 of 5598
ADP-104
< DTC/CIRCUIT DIAGNOSIS >
MIRROR SENSOR
NO >> Perform diagnosis procedure. Refer to ADP-104, "PASSENGER SIDE : DiagnosisProcedure".
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000006248401
1.CHECK DOOR MIRROR SENSOR (PASSENGER SIDE) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect door mirror (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR MIRROR (PASSENGER SIDE) SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positioner control unit harness connector and door mirror (pas-
senger side) harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
3.CHECK DOOR MIRROR (PASSENGE R SIDE) SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positioner control unit harness connector and door mirror (pas-
senger side) connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connector.
(+) (-)Voltage (V)
(Approx.)
Door mirror (passenger side)
Connector Terminals D23 23 Ground 5
Automatic drive positioner control unit Door mirror (passenger side) Continuity
Connector Terminal Connector Terminal
M75 21 D23 23 Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 21 Not existed
Automatic drive positioner control unit Door mirror (passenger side) Continuity
Connector Terminal Connector Terminal
M75 20 D23 24 Existed
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 20 Not existed
Revision: 2010 May2011 QX56
Page 115 of 5598
ADP-106
< DTC/CIRCUIT DIAGNOSIS >
SLIDING MOTOR
SLIDING MOTOR
Component Function CheckINFOID:0000000006248402
1.CHECK FUNCTION
1. Select “SEAT SLIDE” in “Act ive test” mode with CONSULT-III.
2. Check the sliding motor operation.
Is the operation of relevant parts normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-106, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248403
1.CHECK SLIDING MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect sliding motor connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“SEAT SLIDE”) with CONSULT-III
5. Check voltage between sliding motor harness connector and ground.
Is the inspection result normal?
YES >> Replace sliding motor (built in seat slide cushion frame).
NO >> GO TO 2.
2.CHECK SLIDING MOTOR 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 sliding motor harness connector.
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 SLIDE OFF
Seat slidingStop
FR Forward
RR Backward
(+) (-) Condition Voltage (V)
(Approx.)
Sliding motor
Connector Terminals
B461 38
Ground SEAT SLIDE OFF 0
FR (forward) 12
RR (backward) 0
34 OFF 0
FR (forward) 0
RR (backward) 12
Driver seat control unit Sliding motor
Continuity
Connector Terminal Connector Terminal
B451 34
B461 34
Existed
38 38
Revision: 2010 May2011 QX56
Page 117 of 5598
ADP-108
< DTC/CIRCUIT DIAGNOSIS >
RECLINING MOTOR
RECLINING MOTOR
Component Function CheckINFOID:0000000006248404
1.CHECK FUNCTION
1. Select “SEAT RECLINING” in “A ctive test” mode with CONSULT-III.
2. Check the reclining motor operation.
Is the operation of relevant parts normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-108, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248405
1.CHECK RECLINING MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect reclining motor connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“SEA T RECLINING”) with CONSULT-lll
5. Check voltage between reclining motor harness connector and ground.
Is the inspection result normal?
YES >> Replace reclining motor (built in seat back frame).
NO >> GO TO 2.
2.CHECK RECLINING MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check continuity between driver seat control unit harness connector and reclining motor harness connec-
tor.
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 RECLINING OFF
Seat recliningStop
FR Forward
RR Backward
(+) (-) Condition Voltage (V)
(Approx.)
Reclining motor
Connector Terminals
B454 35
Ground SEAT RECLINING OFF 0
FR (forward) 12
RR (backward) 0
39 OFF 0
FR (forward) 0
RR (backward) 12
Driver seat control unit Reclining motor
Continuity
Connector Terminal Connector Terminal
B451 35
B454 35
Existed
39 39
Revision: 2010 May2011 QX56
Page 119 of 5598
ADP-110
< DTC/CIRCUIT DIAGNOSIS >
LIFTING MOTOR (FRONT)
LIFTING MOTOR (FRONT)
Component Function CheckINFOID:0000000006248406
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-110, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248407
1.CHECK LIFTING MOTOR (FRONT) INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect lifting motor (front) connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“SEAT LIFTER FR”) with CONSULT-III.
5. Check voltage between lifting motor (front) harness connector and ground.
Is the inspection result normal?
YES >> Replace lifting motor (front) (built in seat cushion frame).
NO >> GO TO 2.
2.CHECK LIFTING MOTOR (FRONT) 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 (front) 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 FR OFF
Seat lifting (front)Stop
UP Upward
DWN Downward
(+) (-) Condition Voltage (V)
(Approx.)
Lifting motor (front)
Connector Terminals
B455 36
Ground SEAT LIFTER FR OFF 0
UP 0
DWN (down) 12
40 OFF 0
UP 12
DWN (down) 0
Driver seat control un
it Lifting motor (front)
Continuity
Connector Terminal Connector Terminal
B451 36
B455 36
Existed
40 40
Revision: 2010 May2011 QX56
Page 121 of 5598
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