2004 INFINITI QX56 wheel

SE-42
AUTOMATIC DRIVE POSITIONER
Revision: August 20072004 QX56
A part of seat system does not operate (both automati-
cally and manually).1. Sliding motor circuit inspection SE-43
2. Reclining motor circuit inspection SE-44
3. Lifting motor (front) circuit inspectionSE-46
4. Lifting motor (rear) circuit inspectionSE-47
5. If the above systems are normal, replace the driver seat
control unitSE-11
A part of pedal adjust and door mirror does not operate
(both automatically and manually).1. Pedal adjusting motor circuit inspectionSE-492. Mirror motor LH circuit check SE-50
3. Mirror motor RH circuit check SE-52
4. If the above systems are normal, replace the automatic
drive positioner control unit.SE-11
A part of seat system does not operate (only automatic
operation).1. Sliding sensor circuit inspectionSE-55
2. Reclining sensor circuit inspectionSE-56
3. Lifting sensor (front) circuit inspectionSE-57
4. Lifting sensor (rear) circuit inspectionSE-58
5. If the above systems are normal, replace the driver seat
control unitSE-11
A part of door mirror system does not operate (only
automatic operation).1. Mirror sensor LH circuit checkSE-602. Mirror sensor RH circuit checkSE-62
3. If the above systems are normal, replace the automatic
drive positioner control unit.SE-11
All of the automatic operations do not operate.1. Park switch circuit inspectionSE-81
2. UART communication line circuit inspectionSE-85
3. Pedal adjusting sensor circuit inspectionSE-59
4. Steering wheel tilt sensor circuit inspectionSE-64
4. If all the above systems are normal, replace the auto-
matic drive positioner control unit.SE-11
A part of seat system does not operate (only manual
operation).1. Sliding switch circuit inspectionSE-66
2. Reclining switch circuit inspectionSE-67
3. Lifting switch (front) circuit inspectionSE-69
4. Lifting switch (rear) circuit inspectionSE-70
5. If the above systems are normal, replace the driver seat
control unitSE-11
A part of pedal adjust and door mirror does not operate
(only manual operation).1. Pedal adjusting switch circuit inspection SE-72
2. Door mirror switch (change over switch) circuit inspection SE-74
3. Door mirror switch (mirror switch) switching circuit
inspection SE-75
4. If the above systems are normal, replace the automatic
drive positioner control unitSE-11
Only memory switch operation.1. Seat memory switch circuit inspectionSE-772. If the above systems are normal, replace the driver seat
control unitSE-11
Seat memory indicator lamps 1 and 2 do not illuminate.1. Seat memory indicator lamp circuit inspectionSE-792. If all the above systems are normal, replace the driver
seat control unit.SE-11
SymptomDiagnoses / service procedure Refer to
page

AUTOMATIC DRIVE POSITIONER
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Revision: August 20072004 QX56
3. CHECK DOOR MIRROR RH CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mirror RH connector.
3. Check continuity between automatic drive positioner control unit connector M33 terminals 14, 15, 30 and
door mirror RH connector D107 terminals 1, 2, 3.
4. Check continuity between automatic drive positioner control unit
connector M33 terminal 14, 15, 30 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK MIRROR MOTOR SIGNAL
1. Connect door mirror RH.
2. Turn ignition switch to ACC.
3. Check voltage between door mirror RH connector and ground.
OK or NG
OK >> Replace door mirror motor RH.
NG >> Repair or replace harness.
Steering Wheel Tilt Circuit InspectionEIS0038L
1. CHECK STEERING WHEEL TILT MECHANISM
Check the following.

Operation malfunction caused by pedal adjusting mechanism deformation or pinched harness or other
foreign materials

Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.14 (GR/R) - 1 (GR/R) : Continuity should exist.
15 (V/R) - 2 (V/R) : Continuity should exist.
30 (Y) - 3 (Y) : Continuity should exist.
14 (GR/R) - Ground : Continuity should not exist.
15 (V/R) - Ground : Continuity should not exist.
30 (Y) - Ground : Continuity should not exist.
LIIA1888E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D1071 (GR/R)
GroundMirror motor is operated
UP1.5 - Battery
voltage
Other than above 0
2 (V/R)Mirror motor is operated
LEFT1.5 - Battery
voltage
Other than above 0
3 (Y)Mirror motor is operated
DOWN or RIGHT1.5 - Battery
voltage
Other than above 0
LIIA1889E

SE-54
AUTOMATIC DRIVE POSITIONER
Revision: August 20072004 QX56
2. CHECK FUNCTION
With CONSULT-II
Check operation with “TILT MOTOR” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Steering wheel tilt motor circuit is OK.
NG >> GO TO 3.
3. CHECK STEERING WHEEL MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and steering wheel tilt motor.
3. Check continuity between automatic drive positioner control unit connector M34 terminals 35, 42 and
steering wheel tilt motor connector M68 terminals 1, 5.
4. Check continuity between automatic drive positioner control unit
connector M34 terminals 35, 42 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Test item Description
TILT MOTOR The pedal adjust motor is activated by receiving the drive signal.
PIIA0280E
35 (R) - 1 (R) : Continuity should exist.
42 (V) - 5 (V) : Continuity should exist.
35 (R) - Ground : Continuity should not exist.
42 (V) - Ground : Continuity should not exist.
LIIA1431E

AUTOMATIC DRIVE POSITIONER
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4. CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect the automatic drive positioner control unit connector and steering wheel tilt motor.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> Replace steering wheel tilt motor.
NG >> Replace automatic drive positioner control unit.
Sliding Sensor Circuit InspectionEIS002YQ
1. CHECK FUNCTION
With CONSULT-II
Check operation with “SLIDE PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Sliding sensor circuit is OK.
NG >> GO TO 2.
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M3435 (R)
GroundTilt switch ON
(UP operation)Battery voltage
Other than above 0
42 (V)Tilt switch ON
(DOWN operation)Battery voltage
Other than above 0
LIIA0482E
Monitor item [OPERATION or UNIT] Contents
SLIDE PULSE —The seat sliding position (pulse) judged
from the sliding sensor signal is dis-
played
PIIA4558E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
P2 24 (Y/G) GroundSliding
motor
operation
PIIA4556E
PIIA3277E

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AUTOMATIC DRIVE POSITIONER
Revision: August 20072004 QX56
Steering Wheel Tilt Sensor Circuit InspectionEIS0038M
1. CHECK FUNCTION
With CONSULT-II
Operate the pedal adjusting switch with “TILT SEN” on the DATA
MONITOR to make sure the voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector
and ground.
OK or NG
OK >> Steering wheel tilt sensor circuit is OK.
NG >> GO TO 2.
Monitor item [OPERA-
TION or UNIT]Contents
TILT
SEN“V”The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M33 7 (Y/BR) GroundPedal
front end position0.6
Pedal
back end position4.5
LIIA0485E

AUTOMATIC DRIVE POSITIONER
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2. CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit and steering wheel tilt sensor connector.
2. Check continuity between automatic drive positioner connector M33, M34 terminals 7, 33, 41 and steering
wheel tilt sensor connector M69 terminals 2, 3, 4.
3. Check continuity between automatic drive positioner control unit
connectors M33, M34 terminals 7, 33, 41 and ground.
OK or NG
OK >> Replace steering wheel tilt motor.
NG >> Repair or replace harness.7 (Y/BR) - 3 (Y/BR) : Continuity should exist.
33 (W/L) - 2 (W/L) : Continuity should exist.
41 (W/G) - 4 (W/G) : Continuity should exist.
7 (Y/BR) - Ground : Continuity should not exist.
33 (W/L) - Ground : Continuity should not exist.
41 (W/G) - Ground : Continuity should not exist.
LIIA1432E

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AUTOMATIC DRIVE POSITIONER
Revision: August 20072004 QX56
3. CHECK DETENTION SWITCH
Check continuity between A/T device (DETENT switch) as follows.
OK or NG
OK >> A/T device is OK.
NG >> Replace A/T device.
Steering Wheel Tilt Switch Circuit InspectionEIS0038N
1. CHECK FUNCTION
With CONSULT-II
With “TILT SW-UP, TILT SW-DOWN” on the DATA MONITOR, oper-
ate the ADP steering wheel tilt switch to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> ADP steering wheel tilt switch circuit is OK.
NG >> GO TO 2.
Terminals
Condition Continuity
(+) (–)
56P position Continuity should not exist.
Other than
P positionContinuity should exist.
LIIA1491E
Monitor item [OPERATION or
UNIT]Contents
TILT SW-UP “ON/OFF”Operation (ON)/open (OFF) status
judged from the tilt switch (FR) signal is
displayed.
TILT SW-DOWN “ON/OFF”Operation (ON)/open (OFF) status
judged from the tilt switch (RR) signal is
displayed.
PIIA0315E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M331 (W/G)
GroundTilt switch ON (UP
operation)0
Other than above 5
17 (G/B)Tilt switch ON (DOWN
operation)0
Other than above 5
LIIA0491E

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2. CHECK ADP STEERING WHEEL TILT SWITCH HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit connector and ADP steering wheel tilt switch.
2. Check continuity between automatic drive positioner control unit
connector M33 terminals 1, 17 and ADP steering wheel tilt
switch connector M16 terminals 2, 3.
3. Check continuity between automatic drive positioner control unit
connector M33 terminals 1, 17 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK ADP STEERING WHEEL TILT SWITCH
Check continuity between ADP steering wheel tilt switch as follows.
OK or NG
OK >> GO TO 4.
NG >> Replace ADP steering wheel tilt switch.
4. CHECK ADP STEERING WHEEL TILT SWITCH GROUND CIRCUIT
Check continuity between ADP steering wheel tilt switch connector
M16 terminal 1 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace or replace harness.1 (W/G) - 2 (W/G) : Continuity should exist.
17 (G/B) - 3 (G/B) : Continuity should exist.
1 (W/G) - Ground : Continuity should not exist.
17 (G/B) - Ground : Continuity should not exist.
LIIA1434E
Te r m i n a l s
Condition Continuity
(+) (–)
2
1Tilt switch ON (UP operation) Yes
Other than above No
3Tilt switch ON (DOWN operation) Yes
Other than above No
LIIA1435E
1 (B) - Ground : Continuity should exist.
LIIA0490E