INFINITI QX56 2006 Factory Service Manual

SE-40
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
Sliding Motor Circuit InspectionEIS004XR
1. CHECK SEAT SLIDING MECHANISM
Check the following.

Operation malfunction caused by sliding rail deformation, pinched harness or other foreign materials

Operation malfunction caused by foreign materials adhered to the sliding motor LH or sliding rail connec-
tor rod

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 “SEAT SLIDE” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Sliding motor circuit is OK.
NG >> GO TO 3.
3. CHECK SLIDING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and sliding motor LH.
3. Check continuity between driver seat control unit connector P3 terminals 35, 42 and sliding motor connector P4 terminals 4, 6.
4. Check continuity between driver seat control unit connector P3 terminals 35, 42 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
The Entry/Exiting does not operate when door is opened
and closed.
(The Entry/Exiting operates with key switch) 1. Front door switch circuit inspection
SE-79
2. If all the above systems are normal, replace the BCM.BCS-20
Door mirror system does not operate (only manual oper-
ation).1.Door mirror remote control switch ground circuit inspec-
tion
SE-72
Door mirror system does not operate (only automatic
operation).1. Door mirror sensor power supply and ground circuit
inspection
SE-75
Seat system does not operate (only manual operation). 1. Power seat switch ground circuit inspection
SE-66
SymptomDiagnoses / service procedure Refer to
page
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
PIIA0265E
35 - 6 : Continuity should exist.
42 - 4 : Continuity should exist.
35 - Ground : Continuity should not exist.
42 - Ground : Continuity should not exist.
LIIA0696E

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4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit and sliding motor LH.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding motor. Refer to SE-91, "FRONT SEAT" .
NG >> Replace driver seat control unit. Refer to SE-91, "
FRONT SEAT" .
Reclining Motor LH Circuit InspectionEIS004XS
1. CHECK SEAT RECLINING MECHANISM
Check the following.

Operation malfunction caused by an interference with the center pillar or center console

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 “SEAT RECLINING” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Reclining motor LH circuit is OK.
NG >> GO TO 3.
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
P3 35
Ground Sliding switch ON
(FORWARD operation)
Battery voltage
Other than above 0
42 Sliding switch ON
(BACKWARD operation)
Battery voltage
Other than above 0
PIIA4801E
Test item Description
SEAT RECLINING The reclining motor LH is activated by receiving the drive
signal.
PIIA0268E

SE-42
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 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 - 4
: Continuity should exist.
44 - 3 : Continuity should exist.
36 - Ground : Continuity should not exist.
44 - Ground : Continuity should not exist.
LIIA0697E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
P3 36
Ground Reclining switch ON
(FORWARD operation)
Battery voltage
Other than above 0
44 Reclining switch ON
(BACKWARD operation)
Battery voltage
Other than above 0
PIIA4802E

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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). Refer to SE-91, "FRONT SEAT" .
NG >> Replace driver seat control unit. Refer to SE-91, "
FRONT SEAT" .
Test itemDescription
SEAT LIFTER FR The lifting motor (front) is activated by receiving the drive
signal.
PIIA0271E
37 - 6
: Continuity should exist.
45 - 4 : Continuity should exist.
37 - Ground : Continuity should not exist.
45 - Ground : Continuity should not exist.
LIIA0698E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
P3 37
Ground Lifting switch (front) ON
(DOWN operation)
Battery voltage
Other than above 0
45 Llifting switch (front) ON
(UP operation)
Battery voltage
Other than above 0
PIIA4805E

SE-44
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
Lifting Motor (Rear) Circuit InspectionEIS004XU
1. CHECK REAR SEAT LIFTING MECHANISM
Check the following.

Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials

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

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 “SEAT LIFTER RR” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Lifting motor (rear) circuit is OK.
NG >> GO TO 3.
3. CHECK LIFTING MOTOR (REAR) CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and lifting motor (rear).
3. Check continuity between driver seat control unit connector P3 terminals 38, 39 and lifting motor (rear) connector P7 terminals
4, 6.
4. Check continuity between driver seat control unit P3 terminals 38, 39 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Test item Description
SEAT LIFTER RR The lifting motor (rear) is activated by receiving the drive
signal.
PIIA0274E
38 - 6
: Continuity should exist.
39 - 4 : Continuity should exist.
38 - Ground : Continuity should not exist.
39 - Ground : Continuity should not exist.
LIIA0699E

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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). Refer to SE-91, "FRONT SEAT" .
NG >> Replace driver seat control unit. Refer to SE-91, "
FRONT SEAT" .
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.
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
P3 38
Ground Lifting switch (rear) ON
(UP operation)
Battery voltage
Other than above 0
39 Lifting switch (rear) ON
(DOWN operation)
Battery voltage
Other than above 0
PIIA4804E
Test item Description
ADJ PEDAL MOTOR The pedal adjusting motor is activated by receiving the
drive signal.
PIIA4555E

SE-46
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 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 con-
nector 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 - 1
: Continuity should exist.
45 - 2 : Continuity should exist.
37 - Ground : Continuity should not exist.
45 - Ground : Continuity should not exist.
LIIA1755E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M34 37
Ground Pedal adjusting switch
ON
(FORWARD operation)
Battery voltage
Other than above 0
45 Pedal adjusting switch
ON
(BACKWARD opera-
tion)
Battery voltage
Other than above 0
PIIA4806E

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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 mir- ror LH.
3. Check continuity between automatic drive positioner control unit connector M33 terminals 16, 31, 32 and door mirror LH connec-
tor 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.
Test item Description
MIRROR MOTOR LH The mirror motor LH moves the mirror UP/DOWN and
LEFT/RIGHT by receiving the drive signal.
PIIA4784E
16 - 3
: Continuity should exist.
31 - 1 : Continuity should exist.
32 - 2 : Continuity should exist.
16 - Ground : Continuity should not exist.
31 - Ground : Continuity should not exist.
32 - Ground : Continuity should not exist.
LIIA0999E

SE-48
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
4. CHECK MIRROR MOTOR SIGNAL
1. Connect automatic drive positioner control unit and door mirror LH.
2. Turn ignition switch to ACC.
3. Check voltage between door mirror LH connector and ground.
OK or NG
OK >> Replace door mirror LH. Refer to GW-94, "Door Mirror Assembly" .
NG >> Repair or replace harness.
Mirror Motor RH Circuit CheckEIS004XX
1. CHECK DOOR MIRROR RH 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.
2. CHECK FUNCTION
With CONSULT-II
Check the operation with “MIRROR MOTOR RH” in the ACTIVE
TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Mirror motor RH circuit is OK.
NG >> GO TO 3.
Connector Terminals
Condition Voltage (V)
(Approx.)
(+) (-)
D4 1
Ground When motor is
operated UP
1.5 - Battery voltage
Other than above 0
2 When motor is
operated LEFT
1.5 - Battery voltage
Other than above 0
3 When motor is
operated DOWN or RIGHT
1.5 - Battery voltage
Other than above 0
LIIA1000E
Test item Description
MIRROR MOTOR RH The mirror motor RH moves the mirror UP/DOWN and
LEFT/RIGHT by receiving the drive signal.
PIIA0202E

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3. CHECK DOOR MIRROR RH CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mir- ror RH.
3. Check continuity between automatic drive positioner control unit connector M33 terminals 14, 15, 30 and door mirror RH connec-
tor 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 automatic drive positioner control unit and 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. Refer to GW-94, "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. 14 - 1
: Continuity should exist.
15 - 2 : Continuity should exist.
30 - 3 : Continuity should exist.
14 - Ground : Continuity should not exist.
15 - Ground : Continuity should not exist.
30 - Ground : Continuity should not exist.
LIIA1001E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D107 1
Ground Mirror motor is operated
UP
1.5 - Battery
voltage
Other than above 0
2 Mirror motor is operated
LEFT
1.5 - Battery
voltage
Other than above 0
3 Mirror motor is operated
DOWN or RIGHT
1.5 - Battery
voltage
Other than above 0
LIIA1002E