ADP-34
< ECU DIAGNOSIS INFORMATION >
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
24
(BR/Y) Ground Door mirror motor (driver
side) left output signal
Output Door mirror (LH) Operate
(left)
12
Other than the
above 0
25
(W/R) Ground Battery power supply Input — Battery voltage
26
(L) Ground Telescopic motor back-
ward output signal
OutputSteering tele-
scopic Operate
(backward)
12
Other than the
above 0
27
(P) Ground Tilt & telescopic sensor
power supply
Output — 12
28
(G) Ground Tilt motor down output
signal
Output Steering tilt Operate
(down)
12
Other than the
above 0
29
(W/B) Ground Tilt motor up output sig-
nal
OutputSteering tilt
Operate
(up)
12
Other than the
above 0
Telescopic motor for-
ward output signal Steering tele-
scopicOperate
(forward)
12
Other than the
above 0
30
(B) Ground Ground — — 0
Te r m i n a l N o .
(wire color) Description
ConditionVoltage (V)
(Approx.)
+ - Signal name Input/
Output
Revision: 2010 May2011 QX56
INSPECTION AND ADJUSTMENTADP-51
< BASIC INSPECTION >
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : De-
scription
INFOID:0000000006248324
Each function is reset to the following condition when the battery terminal is disconnected.
*1: Default value is 40 mm.
NOTE:
Notice that disconnecting the battery when detect ed DTC are present will erase the DTC memory.
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Spe-
cial Repair Requirement
INFOID:0000000006248325
1.SYSTEM INITIALIZATION
Perform system initialization. Refer to ADP-52, "
SYSTEM INITIALIZATION : Special Repair Requirement".
>> GO TO 2.
2.MEMORY STORAGE
Perform memory storage. Refer to ADP-53, "
MEMORY STORING : Special Repair Requirement".
>> GO TO 3.
3.INTELLIGENT KEY INTERLOCK STORAGE
Perform Intelligent Key interlock storage. Refer to ADP-54, "
INTELLIGENT KEY INTERLOCK STORING :
Special Repair Requirement".
>> GO TO 4.
4.SYSTEM SETTING
Perform system setting. Refer to ADP-55, "
SYSTEM SETTING : Special Repair Requirement".
>> END
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPL ACING CONTROL UNIT : Description
INFOID:0000000006248326
Each function is reset to the following condition when the driver seat control unit is replaced.
Function Condition Procedure
Memory (Seat, stee ring, mirror) Erased Perform storing
Entry/exit assist ON Perform initialization
Set slide amount
*1
Intelligent Key interlock Erased
Perform initialization
Perform storing
Function Condition Procedure
Memory (Seat, stee ring, mirror) Erased Perform storing
Entry/exit assist ON Perform initialization
Set slide amount
*1
Revision: 2010 May2011 QX56
ADP-52
< BASIC INSPECTION >
INSPECTION AND ADJUSTMENT
*1: Default value is 40 mm.
NOTE:
Notice that disconnecting the battery when detected DTC are present will erase the DTC memory.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000006248327
1.SYSTEM INITIALIZATION
Perform system initialization. Refer to ADP-52, "
SYSTEM INITIALIZATION : Special Repair Requirement".
>> GO TO 2.
2.MEMORY STORAGE
Perform memory storage. Refer to ADP-53, "
MEMORY STORING : Special Repair Requirement".
>> GO TO 3.
3.INTELLIGENT KEY INTERLOCK STORAGE
Perform Intelligent Key interlock storage. Refer to ADP-54, "
INTELLIGENT KEY INTERLOCK STORING :
Special Repair Requirement".
>> GO TO 4.
4.SYSTEM SETTING
Perform system setting. Refer to ADP-55, "
SYSTEM SETTING : Special Repair Requirement".
>> END
SYSTEM INITIALIZATION
SYSTEM INITIALIZATION : DescriptionINFOID:0000000006248328
Always perform the initialization when the battery termi nal is disconnected or the driver seat control unit is
replaced.
The entry/exit assist function will not operate normally if no initialization is performed.
SYSTEM INITIALIZATION : Special Repair RequirementINFOID:0000000006248329
INITIALIZATION PROCEDURE
1. CHOOSE METHOD
There are two initialization methods.
Which method do you use?
With door switch>>GO TO 2.
With vehicle speed>>GO TO 4.
2. STEP A-1
Turn ignition switch from ACC to OFF position.
>> GO TO 3.
3. STEP A-2
Driver door switch is ON (open) → OFF (close) → ON (open).
Intelligent Key interlock Erased Perform initialization
Perform storing
Function Condition Procedure
Revision: 2010 May2011 QX56
INSPECTION AND ADJUSTMENTADP-53
< BASIC INSPECTION >
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>> END
4. STEP B-1
Drive the vehicle at more than 25 km/h (16 MPH).
>> END
MEMORY STORING
MEMORY STORING : DescriptionINFOID:0000000006248330
Always perform the memory storage when the battery terminal is disconnected or the driver seat control unit is
replaced. The memory function will not operate normally if no memory storage is performed.
MEMORY STORING : Special Repair RequirementINFOID:0000000006248331
Memory Storage Procedure
Two positions for the driver seat, steering column and outside mirror can be stored for memory operation by
following procedure.
1.STEP 1
Check the following conditions.
Ignirion switch: ON
A/T shift selector: P position
>> GO TO 2.
2.STEP 2
Adjust driver seat, steering colu mn and outside mirror position manually.
>> GO TO 3.
3.STEP 3
1. Push set switch. NOTE:
Memory indicator for which driver seat position is already retained in memory is illuminated for 5 sec-
onds.
Memory indicator for which driver seat position is not retained in memory is illuminated for 0.5 second.
2. Push the memory switch (1 or 2) for at least 1 second within 5 seconds after pushing the set switch.
NOTE:
To enter driver seat positions into blank memo ry, memory indicator will be turned on for 5 seconds.
To modify driver seat positions, memory indicato r will be turned OFF for 0.5 second, then turned ON for
5 seconds.
NOTE:
If memory is stored in the same memory switch, the previous memory will be deleted.
>> GO TO 4.
4.STEP 4
Confirm the operation of each part with memory operation.
>> END
INTELLIGENT KEY IN TERLOCK STORING
Revision: 2010 May2011 QX56
ADP-54
< BASIC INSPECTION >
INSPECTION AND ADJUSTMENT
INTELLIGENT KEY INTERLOCK STORING : Description
INFOID:0000000006248332
Always perform the Intelligent Key interlock function st orage when the battery terminal is disconnected or the
driver seat control unit is replaced. The Intelligent Key interlock function will not operate normally if no memory
storage is performed.
INTELLIGENT KEY INTERLOCK STORIN G : Special Repair RequirementINFOID:0000000006248333
Intelligent Key Interlock Storage Procedure
Performing the following operation associates the regist ered driving position with Intelligent Key. When driver
door unlock operation is performed by Intelligent Key or driver door request switch, display of the registered
driving position and turnout operation can be performed.
1.STEP 1
Check the following conditions.
Ignition switch: OFF
Initialization: done
Driving position: registered
>> GO TO 2.
2.STEP 2
1. Push set switch. NOTE:
Memory indicator for which driver seat position is already retained in memory is illuminated for 5 seconds.
2. Push the Intelligent Key unlock button within 5 seconds after pushing memory switch (while the memory indicator is turned ON).
NOTE:
From the time registration is performed, the app licable memory indicator blinks for 5 seconds.
>> GO TO 3.
3.STEP 3
Confirm the operation of each part with memory operation and Intelligent Key interlock operation.
>> END
SYSTEM SETTING
SYSTEM SETTING : DescriptionINFOID:0000000006248334
The settings of the automatic driv ing positioner system can be changed, us ing CONSULT-III, the display unit
in the center of the instrument panel and the set s witch. Always check the settings before and after discon-
necting the battery terminal or replacing driver seat control unit.
Setting Change
× : Applicable
Item Content CON-
SULT
–III Display
Set
switch Factory
setting
Amount of seat sliding for
entry/exit assist The amount of seat sliding for entry/exit assist can
be selected from 3 items.
[40 mm/80 mm/150 mm]
x——40 mm
Entry/exit assist
(seat) Entry/exit assist (seat) can be selected:
ON (operated) – OFF (not operated)
xx
xON
Entry/exit assist
(steering column) Entry/exit assist (steering column) can be selected:
ON (operated) – OFF (not operated)
xx ON
Revision: 2010 May2011 QX56
POWER SUPPLY AND GROUND CIRCUITADP-67
< DTC/CIRCUIT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006248353
1.CHECK FUSE
Check that the following fuse and fusible link are not fusing.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit.
2.CHECK DRIVER SEAT CONTROL UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK DRIVER SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between the driver s eat control unit harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace harness.
DRIVER SEAT CONTROL UNIT : Special Repair RequirementINFOID:0000000006248354
1.PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL : Description".
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CO NTROL UNIT : Diagnosis Procedure
INFOID:0000000006248355
NOTE:
Do not disconnect the battery negative terminal and the dr iver seat control unit connector until DTC is con-
firmed with CONSULT-III.
1.CHECK FUSE
Check that the following fuse and fusible link are not fusing.
Signal name Fuse No.
Battery power supply K (50 A)
(+) (-)Voltage (V)
(Approx.)
Driver seat control unit
Connector Terminals B451 33 Ground Battery voltage
Driver seat control unit GroundContinuity
Connector Terminal
B451 43 Existed
Revision: 2010 May2011 QX56
ADP-68
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit.
2.CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check voltage between automatic drive posit ioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK AUTOMATIC DRIVE POSITION ER CONTROL UNIT GROUND CIRCUIT
Check continuity between the automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace harness.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement
INFOID:0000000006248356
1.PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL : Description".
Signal name Fuse No.
Battery power supply K (50 A)
(+) (-)Voltage (V)
(Approx.)
Automatic drive positioner control unit
Connector Terminals M104 25 Ground Battery voltage
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M104 30 Existed
Revision: 2010 May2011 QX56
SLIDING SENSORADP-89
< DTC/CIRCUIT DIAGNOSIS >
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SLIDING SENSOR
Component Function CheckINFOID:0000000006248386
1.CHECK FUNCTION
1. Select “SLIDE PULSE” in “Data monitor” mode with CONSULT-III.
2. Check sliding 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-89, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248387
1.CHECK SLIDING SENSOR SIGNAL
1. Turn ignition switch ON.
2. Read voltage signal between driver seat contro l unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES >> Replace driver seat control unit.
NO >> GO TO 2.
2.CHECK SLIDING SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and sliding sensor connector.
3. Check continuity between driver seat control unit harness connector and sliding sensor harness connec-
tor.
4. Check continuity between driver s eat control unit harness connector and ground.
Monitor item Condition Value
SLIDE PULSE Seat sliding Operate (forward)
Change (increase)
*1
Operate (backward)Change (decrease)*1
Release
No change*1
(+)
(-) Condition Signal
(Reference value)
Driver seat control unit
Connector Terminals
B452 18 Ground Seat sliding Operate
Other than the
above
0 or 5
JMJIA0119ZZ
Driver seat control unit Sliding motor
Continuity
Connector Terminal Connector Terminal
B452 18 B461 18 Existed
Revision: 2010 May2011 QX56