2006 INFINITI QX56 Factory Service Manual

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Page 2969 of 3383

INFINITI QX56 2006 Factory Service Manual SE-38
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
If active test is performed, reset seat memory and auto

SE-38
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
If active test is performed, reset seat memory and automatic drive positioner seat memory after performing
work.
DISPLAY ITEM LIST
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)EIS004XP
1. SELF-DIAGNOSTIC RESULT CHECK
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. Connect to CONSULT-II, and select “AUTO DRIVE POS.” on the “SELECT DIAG SYSTEM ” screen.
2. Select “SELF-DIAG RESULTS ” on "SELECT DIAG MODE" screen.
3. Check display content in self-diagnostic results.
Contents displayed
No malfunction>>Inspection End.
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to
LAN-3, "
Precautions When Using CONSULT-II" .
Symptom ChartEIS004XQ
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
SEAT RECLINING The reclining motor is activated by receiving the drive signal.
SEAT LIFTER FR The lifting motor (front) is activated by receiving the drive signal.
SEAT LIFTER RR The lifting motor (rear) is activated by receiving the drive signal.
PEDAL MOTOR The pedal adjust motor is activated by receiving the drive signal.
MEMORY SW INDCTR The memory switch indicator is lit by receiving the drive signal.
MIRROR MOTOR RH The RH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
MIRROR MOTOR LH The LH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
CONSULT-II display code
Diagnosis item
U1000 INITIAL DIAG
TRANSMIT DIAG
BCM
METER/M&A ECM
Symptom Diagnoses / service procedure Refer to
page
Only setting change function cannot be set with display. 1. Preliminary check
SE-31
2. CAN communication inspection using CONSULT-II (self-
diagnosis)SE-38
3. If the above systems are normal, check display system.
AV- 8 4

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INFINITI QX56 2006 Factory Service Manual AUTOMATIC DRIVE POSITIONERSE-39
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A part of seat system does not operate (both automati-
cally and manually).1. Sliding motor circuit inspecti

AUTOMATIC DRIVE POSITIONERSE-39
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A part of seat system does not operate (both automati-
cally and manually).1. Sliding motor circuit inspection
SE-40
2. Reclining motor circuit inspection SE-41
3. Lifting motor (front) circuit inspectionSE-42
4. Lifting motor (rear) circuit inspectionSE-44
5. If the above systems are normal, replace the driver seat
control unit. SE-11
A part of pedal adjust and door mirror does not operate
(both automatically and manually).1. Pedal adjusting motor circuit inspection
SE-452. Mirror motor LH circuit check SE-46
3. Mirror motor RH circuit check SE-48
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 inspection
SE-51
2. Reclining sensor circuit inspectionSE-52
3. Lifting sensor (front) circuit inspectionSE-53
4. Lifting sensor (rear) circuit inspectionSE-54
5. If the above systems are normal, replace the driver seat
control unit. SE-11
A part of door mirror system does not operate (only
automatic operation).1. Mirror sensor LH circuit check
SE-562. Mirror sensor RH circuit checkSE-57
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.A/T device (park position switch) circuit inspection
SE-76
2. UART communication line circuit inspectionSE-80
3. Pedal adjusting sensor circuit inspectionSE-55
4. Steering wheel tilt sensor circuit inspectionSE-59
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 inspection
SE-61
2. Reclining switch circuit inspectionSE-62
3. Lifting switch (front) circuit inspectionSE-64
4. Lifting switch (rear) circuit inspectionSE-65
5. If the above systems are normal, replace the driver seat
control unit. SE-11
A part of pedal adjust and door mirror does not operate
(only manual operation).1. Pedal adjusting switch circuit inspection
SE-67
2. Door mirror remote control switch (change over switch)
circuit inspection SE-69
3. Door mirror remote control switch (mirror switch) switch-
ing circuit inspection SE-70
4. If the above systems are normal, replace the automatic
drive positioner control unit.
SE-11
Automatic drive positioner system does not operate
(only memory switch operation).1. Seat memory switch circuit inspection
SE-722. If the above systems are normal, replace the driver seat
control unit. SE-11
Seat memory indicator lamps 1 and 2 do not illuminate.1. Seat memory indicator lamp circuit inspection
SE-742. If all the above systems are normal, replace the driver
seat control unit. SE-11
Symptom
Diagnoses / service procedure Refer to
page

Page 2971 of 3383

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

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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INFINITI QX56 2006 Factory Service Manual AUTOMATIC DRIVE POSITIONERSE-41
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4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit and sliding motor LH

Page 2973 of 3383

INFINITI QX56 2006 Factory Service Manual 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

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INFINITI QX56 2006 Factory Service Manual AUTOMATIC DRIVE POSITIONERSE-43
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2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER FR” in ACTIVE TEST.
Without CONSU

Page 2975 of 3383

INFINITI QX56 2006 Factory Service Manual 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 cause

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INFINITI QX56 2006 Factory Service Manual AUTOMATIC DRIVE POSITIONERSE-45
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4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit and lifting motor (r

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