2005 INFINITI QX4 air condition

SE-46
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
3. CHECK RECLINING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and reclining motor LH.
3. Check continuity between driver seat control unit connector P3 terminals 36, 44 and reclining motor LH
connector P5 terminals 3, 4.
4. Check continuity between driver seat control unit connector P3
terminals 36, 44 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit and reclining motor LH.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace reclining motor LH.
NG >> Replace driver seat control unit.
Lifting Motor (Front) Circuit InspectionEIS004XT
1. CHECK FRONT END SEAT LIFTING MECHANISM
Check the following.

Operation malfunction caused by lifter mechanism deformation, pinched harness or other foreign materi-
als

Operation malfunction caused by foreign materials adhered to the lifting motor (front) or lead screws

Operation malfunction and interference with other parts by installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning part and check again.36 (Y/G) - 4 (Y/G) : Continuity should exist.
44 (Y/R) - 3 (Y/R) : Continuity should exist.
36 (Y/G) - Ground : Continuity should not exist.
44 (Y/R) - Ground : Continuity should not exist.
LIIA0697E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
P336 (Y/G)
GroundReclining switch ON
(FORWARD operation)Battery voltage
Other than above 0
44 (Y/R)Reclining switch ON
(BACKWARD operation)Battery voltage
Other than above 0
PIIA4802E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER FR” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Lifting motor (front) circuit is OK.
NG >> GO TO 3.
3. CHECK LIFTING MOTOR (FRONT) CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and lifting motor (front).
3. Check continuity between driver seat control unit connector P3 terminals 37, 45 and lifting motor (front)
connector P6 terminals 4, 6.
4. Check continuity between driver seat control unit connector P3
terminals 37, 45 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit and lifting motor (front).
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace lifting motor (front).
NG >> Replace driver seat control unit.
Test item Description
SEAT
LIFTER FRThe lifting motor (front) is activated by receiving the drive signal.
PIIA0271E
37 (BR) - 6 (BR) : Continuity should exist.
45 (GR) - 4 (GR) : Continuity should exist.
37 (BR) - Ground : Continuity should not exist.
45 (GR) - Ground : Continuity should not exist.
LIIA0698E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
P337 (BR)
GroundLifting switch (front) ON
(DOWN operation)Battery voltage
Other than above 0
45 (GR)Llifting switch (front) ON
(UP operation)Battery voltage
Other than above 0
PIIA4805E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit and lifting motor (rear).
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace lifting motor (rear).
NG >> Replace driver seat control unit.
Pedal Adjusting Motor Circuit InspectionEIS004XV
1. CHECK PEDAL ADJUSTING 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 or replace the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “ADJ PEDAL MOTOR” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Pedal adjusting motor circuit is OK.
NG >> GO TO 3.
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
P338 (B/W)
GroundLifting switch (rear) ON
(UP operation)Battery voltage
Other than above 0
39 (Y)Lifting switch (rear) ON
(DOWN operation)Battery voltage
Other than above 0
PIIA4804E
Test item Description
ADJ PEDAL MOTORThe pedal adjusting motor is activated by receiving the
drive signal.
PIIA4555E

SE-50
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
3. CHECK PEDAL ADJUSTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and pedal adjusting motor.
3. Check continuity between automatic drive positioner control unit connector M34 terminals 37, 45 and
pedal adjusting motor connector E109 terminals 1, 2.
4. Check continuity between automatic drive positioner control unit
connector M34 terminals 37, 45 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect the automatic drive positioner control unit and pedal adjusting motor.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> Replace pedal adjusting motor.
NG >> Replace automatic drive positioner control unit.
Mirror Motor LH Circuit CheckEIS004XW
1. CHECK DOOR MIRROR LH MECHANISM
Check the following items.
Operation malfunction caused by a foreign object caught in door mirror face edge.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning parts, and check the symptom again.37 (G) - 1 (G) : Continuity should exist.
45 (R) - 2 (R) : Continuity should exist.
37 (G) - Ground : Continuity should not exist.
45 (R) - Ground : Continuity should not exist.
LIIA1755E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M3437 (G)
GroundPedal adjusting switch
ON
(FORWARD operation)Battery voltage
Other than above 0
45 (R)Pedal adjusting switch
ON
(BACKWARD opera-
tion)Battery voltage
Other than above 0
PIIA4806E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
2. CHECK FUNCTION
With CONSULT–II
Check the operation with “MIRROR MOTOR LH” in the ACTIVE
TEST.
Without CONSULT–II
GO TO 3.
OK or NG
OK >> Mirror motor LH circuit is OK.
NG >> GO TO 3.
3. CHECK DOOR MIRROR MOTOR LH CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mirror LH.
3. Check continuity between automatic drive positioner control unit connector M33 terminals 16, 31, 32 and
door mirror LH connector D4 terminals 1, 2, 3.
4. Check continuity between automatic drive positioner control unit
connector M41 terminal 16, 31, 32 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK MIRROR MOTOR SIGNAL
1. Turn ignition switch to ACC.
2. Check voltage between door mirror LH connector and ground.
OK or NG
OK >> Replace door mirror LH. Refer to GW-97, "Door Mirror Assembly" .
NG >> Repair or replace harness.
Test item Description
MIRROR MOTOR
LHThe mirror motor LH moves the mirror UP/DOWN and LEFT/
RIGHT by receiving the drive signal.
PIIA4784E
16 (O) - 3 (O) : Continuity should exist.
31 (R) - 1 (R) : Continuity should exist.
32 (BR) - 2 (BR) : Continuity should exist.
16 (O) - Ground : Continuity should not exist.
31 (R) - Ground : Continuity should not exist.
32 (BR) - Ground : Continuity should not exist.
LIIA0999E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D41
(R)
GroundWhen motor is
operated UP1.5 - Battery voltage
Other than above 0
2
(BR)When motor is
operated LEFT1.5 - Battery voltage
Other than above 0
3
(O)When motor is
operated DOWN or RIGHT1.5 - Battery voltage
Other than above 0
LIIA1000E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
4. CHECK MIRROR MOTOR SIGNAL
1. Turn ignition switch to ACC.
2. Check voltage between door mirror RH connector and ground.
OK or NG
OK >> Replace door mirror motor RH. Refer to GW-97, "Door Mirror Assembly" .
NG >> Repair or replace harness.
Steering Wheel Tilt Circuit InspectionEIS004XY
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 or replace the malfunctioning part and check again.
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.
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
LIIA1002E
Test item Description
TILT MOTOR The pedal adjust motor is activated by receiving the drive signal.
PIIA0280E

SE-54
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
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.
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. Refer to PS-9, "TILT MOTOR AND TILT SENSOR" .
NG >> Replace automatic drive positioner control unit.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
ConnectorTerminals
(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

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
Sliding Sensor Circuit InspectionEIS004XZ
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.
2. CHECK SLIDING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and sliding motor LH.
2. Check continuity between driver seat control unit connector P2
terminals 16, 24, 31 and sliding motor P4 terminals 1, 2, 3.
3. Check continuity between driver seat control unit P2 terminals
16, 24, 31 and ground.
OK or NG
OK >> Replace sliding motor.
NG >> Repair or replace harness.
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
16 (W) - 3 (W) : Continuity should exist.
24 (Y/G) - 2 (Y/G) : Continuity should exist.
31 (L/Y) - 1 (L/Y) : Continuity should exist.
16 (W) - Ground : Continuity should not exist.
24 (Y/G) - Ground : Continuity should not exist.
31 (L/Y) - Ground : Continuity should not exist.
LIIA0706E