display INFINITI QX56 2008 Factory Service Manual

ADP-6
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).
>> GO TO 2
2. CHECK DTC WITH AUTOMATIC DRIVE POSITIONER SYSTEM
Check “Self Diagnostic Result” with CONSULT-III.
Refer to ADP-123, "
DTCIndex".
Is any symptom described and any DTC is displayed?
Symptom is described, DTC is displayed.>>GO TO 3
Symptom is not described, DTC is displayed.>>GO TO 7
Symptom is described, DTC is not displayed.>>GO TO 4
3. CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
>> GO TO 7
4. CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
>> GO TO 5
5. CHECK NORMAL OPERATING CONDITION
Check normal operating condition. Refer to ADP-157, "
Description".
Is the incident normal operation?
YES >> INSPECTION END
NO >> GO TO 6
6. PERFORM BASIC INSPECTION
Isolate the malfunctioning point with the basic inspection. Refer to ADP-8, "
Preliminary Check".
>> GO TO 8
7. PERFORM DTC CONFIRMATION PROCEDURE
Perform the confirmation procedure for the detected DTC.
Is the DTC displayed?
YES >> GO TO 9
NO >> Check intermittent incident. Refer to GI-38, "
Intermittent Incident".
8. PERFORM COMPONENT FUNCTION CHECK
Perform the component function check for the isolated malfunctioning point.
>> GO TO 9
9. DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Isolate the malfunctioning point by performing the di agnosis procedure relevant to the symptom during the
component diagnosis.
>> GO TO 10
10. REPAIR OR REPLACE
Repair or replace the malfunctioning part.
Revision: March 2010 2008 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-11
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AUTOMATIC DRIVE POSITIONER SYSTEM : Component DescriptionINFOID:0000000001735413
CONTROL UNITS
INPUT PARTS
Switches
Function Description
Manual function The driving position (seat, pedal assembly, steering wheel and door mirror position)
can be adjusted by using the power seat switch, pedal adjusting switch, ADP steering
switch or door mirror remote control switch.
Memory function The seat, pedal assembly and outside mirror move to the stored driving position by
pressing seat memory switch (1 or 2).
Entry/Exit assist function Exit On exit, the seat moves backward and the steering wheel moves upward.
Entry
On entry, the seat and steering wheel return from exiting position to the previous driv-
ing position.
Item
Function
Driver seat control unit • Main unit of automatic drive positioner system
• It is connected to the CAN.
• It communicates with the automatic drive positioner control unit via UART com-
munication.
Automatic drive positioner control unit • It communicates with the driver seat control unit via UART communication.
• Perform various controls with the instructions of driver seat control unit.
• Perform the controls of the pedal adjusting, steering wheel, door mirror and the
seat memory switch.
BCM Transmit the following status to the driver seat control unit via CAN communication.
• Front door LH: OPEN/CLOSE
• Ignition switch position: ACC/ON
• Door lock: UNLOCK (with Intelligent Key or remote keyless entry request switch
operation)
• Key ID
• Key switch: Insert/Pull out Intelligent Key
• Starter: CRANKING/OTHER
Combination meter Transmit the vehicle speed signal to the driver seat control unit via CAN communi-
cation.
AV control unit The setting change of auto drive positioner system can be performed on the display.
A/T shift selector (park position switch) Transmit the shift position signal (P range) to the driver seat control unit.
Item Function
Key switch and ignition knob switch The key switch is installed to detect the key inserted/removed status.
Front door switch LH Detect front door (driver side) open/close status.
A/T shift selector (park position switch) Detect the P range position of A/T selector lever.
Set switch The registration and system setting can be performed with its operation.
Seat memory switch 1/2 The registration and operation can be performed with its operation.
Power seat switch The following switch is installed.
• Reclining switch
• Lifting switch (front)
• Lifting switch (rear)
• Sliding switch
The specific parts can be operated with the operation of each switch.
Pedal adjusting switch The following switch is installed.
• Pedal forward
• Pedal backward
The specific parts can be operated with the operation of each switch.
Revision: March 2010
2008 QX56

ADP-26
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (DRIVER SEAT C/U)
DIAGNOSIS SYSTEM (DRIVER SEAT C/U)
Diagnosis DescriptionINFOID:0000000001735430
The auto drive positioner system can be checked and diagnosed for component operation with CONSULT-III.
DIAGNOSTIC MODE
CONSULT-III FunctionINFOID:0000000001735431
SELF-DIAGNOSIS RESULTS
Refer to ADP-123, "DTCIndex".
DATA MONITOR
Diagnostic mode
[AUTO DRIVE POS.] Description
WORK SUPPORT Changes the setting of each function.
SELF-DIAG RESULTS Performs self-diagnosis for the auto drive positioner system and displays the results.
DATA MONITOR Displays input signals transmitted from various switches and sensors to driver seat con-
trol unit in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST Drive each output device.
ECU PART NUMBER Displays part numbers of driver seat control unit parts.
Monitor ItemUnitMain
Signals Selection
From
Menu Contents
SET SW “ON/OFF”×× ON/OFF status judged from the setting switch signal.
MEMORY SW1 “ON/OFF”×× ON/OFF status judged from the seat memory switch 1 sig-
nal.
MEMORY SW2 “ON/OFF”×× ON/OFF status judged from the seat memory switch 2 sig-
nal.
SLIDE SW–FR “ON/OFF”×× ON/OFF status judged from the sliding switch (forward) sig-
nal.
SLIDE SW–RR “ON/OFF”×× ON/OFF status judged from the sliding switch (backward)
signal.
RECLN SW–FR “ON/OFF”×× ON/OFF status judged from the reclining switch (forward)
signal.
RECLN SW–RR “ON/OFF”×× ON/OFF status judged from the reclining switch (backward)
signal.
LIFT FR SW–UP “ON/OFF” ××ON/OFF status judged from the lifting switch front (up) sig-
nal.
LIFT FR SW–DN “ON/OFF” ××ON/OFF status judged from the lifting switch front (down)
signal.
LIFT RR SW–UP “ON/OFF” ××ON/OFF status judged from the lifting switch rear (up) sig-
nal.
LIFT RR SW–DN “ON/OFF” ××ON/OFF status judged from the lifting switch rear (down)
signal.
MIR CON SW–UP “ON/OFF” ××ON/OFF status judged from the mirror switch (up) signal.
MIR CON SW–DN “ON/OFF” ××ON/OFF status judged from the mirror switch (down) signal.
MIR CON SW–RH “ON/OFF” ××ON/OFF status judged from the door mirror remote control
switch (passenger side) signal.
MIR CON SW–LH “ON/OFF” ××ON/OFF status judged from the door mirror remote control
switch (driver
side) signal.
Revision: March 2010 2008 QX56

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)ADP-27
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ACTIVE TEST
CAUTION:
When driving vehicle, do not perform active test.
MIR CHNG SW–R “ON/OFF” ××ON/OFF status judged from the door mirror remote control
switch (switching to right) signal.
MIR CHNG SW–L “ON/OFF” ××ON/OFF status judged from the door mirror remote control
switch (switching to left) signal.
TILT SW-UP “ON/OFF”×× ON/OFF status judged from the ADP steering switch (UP)
signal.
TILT SW-DOWN “ON/OFF”×× ON/OFF status judged from the ADP steering switch
(DOWN) signal.
PEDAL SW-FR “ON/OFF”×× ON/OFF status judged from the pedal adjusting switch (for-
ward) signal.
PEDAL SW-RR “ON/OFF”×× ON/OFF status judged from the pedal adjusting switch
(backward) signal.
DETENT SW “ON/OFF”×× The selector lever position “OFF (P position) / ON (other
than P position)” judged from the detention switch signal.
STARTER SW “ON/OFF”×× Ignition key switch ON (START, ON) /OFF (ACC, OFF) sta-
tus judged from the ignition switch signal.
SLIDE PULSE —–×Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
RECLN PULSE —–×Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
LIFT FR PULSE —–×Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
LIFT RR PULSE —–×Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
MIR/SEN RH U–D “V”–×Voltage input from door mirror sensor (passenger side) up/
down is displayed.
MIR/SEN RH R–L “V”–×Voltage input from door mirror sensor (passenger side) left/
right is displayed.
MIR/SENLHU–D “V”–×Voltage input from door mirror
sensor (driver side) up/down
is displayed.
MIR/SENLHR–L “V”–×Voltage input from door mirror sensor (driver side) left/right
is displayed.
PEDAL SEN “V”–×Pedal position (voltage) judged from the pedal adjusting
sensor signal is displayed.
Monitor Item
UnitMain
Signals Selection
From
Menu Contents
Test item
Description
SEAT SLIDE Activates/deactivates the sliding motor.
SEAT RECLINING Activates/deactivates the reclining motor.
SEAT LIFTER FR Activates/deactivates the lifting motor (front).
SEAT LIFTER RR Activates/deactivates the lifting motor (rear).
ADJ PEDAL MOTOR Activates/deactivates the pedal adjusting motor.
TILT MOTOR Activates/deactivates the tilt motor.
MIRROR MOTOR RH Activates/deactivates the mirror motor (passenger side).
Revision: March 2010 2008 QX56

ADP-30
< COMPONENT DIAGNOSIS >
B2112 SLIDING MOTOR
B2112 SLIDING MOTOR
DescriptionINFOID:0000000001735437
• The seat sliding motor is installed to the seat cushion frame.
• The seat sliding motor is installed with the driver seat control unit.
• Slides the seat frontward/rearward by changing the rotation direction of sliding motor.
DTC LogicINFOID:0000000001735438
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. STEP 1
Turn ignition switch ON.
>> GO TO 2
2. STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES >> Perform diagnosis procedure. Refer to ADP-30, "DiagnosisProcedure".
NO >> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to ADP-40, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001735439
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to ADP-30, "
DTC Logic".
Is the DTC displayed again?
YES >> GO TO 2
NO >> Check intermittent incident. Refer to GI-38, "
Intermittent Incident".
2. CHECK COMPONENTS
Refer to ADP-71, "
ComponentFunctionCheck" and ADP-87, "ComponentFunctionCheck".
>> INSPECTION END
DTC No. Trouble diagnosis
name DTC detecting condition
Possible cause
B2112 SEAT SLIDE The driver seat control unit detects the output of slid-
ing motor output terminal for 0.1 second or more
even if the sliding switch is not input.
• Driver seat control unit
Revision: March 2010
2008 QX56

B2113 RECLINING MOTORADP-31
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B2113 RECLINING MOTOR
DescriptionINFOID:0000000001735440
• The seat reclining motor is installed to the seatback frame.
• The seat reclining motor is activated with the driver seat control unit.
• Tilts the seatback frontward/rearward by changi ng the rotation direction of reclining motor.
DTC LogicINFOID:0000000001735441
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. STEP 1
Turn ignition switch ON.
>> GO TO 2
2.STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES >> Perform diagnosis procedure. Refer to ADP-31, "DiagnosisProcedure".
NO >> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to ADP-40, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001735442
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to ADP-31, "
DTC Logic".
Is the DTC displayed again?
YES >> GO TO 2
NO >> Check intermittent incident. Refer to GI-38, "
Intermittent Incident".
2. CHECK COMPONENTS
Refer to ADP-73, "
ComponentFunctionCheck" and ADP-89, "ComponentFunctionCheck".
>> INSPECTION END
DTC No. Trouble diagnosis
name DTC detecting condition
Possible cause
B2113 SEAT RECLINING The driver seat control unit detects the output of re-
clining motor output terminal for 0.1 second or more
even if the reclining switch is not input. • Driver seat control unit
Revision: March 2010
2008 QX56

ADP-32
< COMPONENT DIAGNOSIS >
B2114 SEAT LIFTER FR
B2114 SEAT LIFTER FR
DescriptionINFOID:0000000001735443
• The lifting motor (front) is installed to the seat cushion frame.
• The lifting motor (front) is activated with the driver seat control unit.
• Tilts the seat front up/down by changing the rotation direction of lifting motor (front).
DTC LogicINFOID:0000000001735444
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. STEP 1
Turn ignition switch ON.
>> GO TO 2
2.STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES >> Perform diagnosis procedure. Refer to ADP-32, "DiagnosisProcedure".
NO >> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to ADP-40, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001735445
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to ADP-32, "
DTC Logic".
Is the DTC displayed again?
YES >> GO TO 2
NO >> Check intermittent incident. Refer to GI-38, "
Intermittent Incident".
2. CHECK COMPONENTS
Refer to ADP-75, "
ComponentFunctionCheck" and ADP-91, "ComponentFunctionCheck".
>> INSPECTION END
DTC No. Trouble diagnosis
name DTC detecting condition
Possible cause
B2114 SEAT LIFTER FR The driver seat control unit detects the output of lift-
ing motor (front) output te
rminal for 0.1 second or
more even if the lifting switch is not input. • Driver seat control unit
Revision: March 2010
2008 QX56

B2115 SEAT LIFTER RRADP-33
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B2115 SEAT LIFTER RR
DescriptionINFOID:0000000001735446
• The lifting motor (rear) is installed to the seat cushion frame.
• The lifting motor (rear) is activated with the driver seat control unit.
• Tilts the seat rear up/down by changing the rotation direction of lifting motor (rear).
DTC LogicINFOID:0000000001735447
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. STEP 1
Turn ignition switch ON.
>> GO TO 2
2.STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES >> Perform diagnosis procedure. Refer to ADP-33, "DiagnosisProcedure".
NO >> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to ADP-40, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001735448
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to ADP-33, "
DTC Logic".
Is the DTC displayed again?
YES >> GO TO 2
NO >> Check intermittent incident. Refer to GI-38, "
Intermittent Incident".
2. CHECK COMPONENTS
Refer to ADP-77, "
ComponentFunctionCheck" and ADP-93, "ComponentFunctionCheck".
>> INSPECTION END
DTC No. Trouble diagnosis
name DTC detecting condition
Possible cause
B2115 SEAT LIFTER RR The driver seat control unit detects the output of lift-
ing motor (rear) output terminal for 0.1 second or
more even if the lifting switch is not input. • Driver seat control unit
Revision: March 2010
2008 QX56

DRIVER SEAT CONTROL UNITADP-123
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NOTE:
The front seat LH position and pedal adjustment functions (see the following table) operate simultaneously in
the order of priority.
*: In conjunction with sliding the seat, the door mirrors are positioned.
CANCEL OF FAIL-SAFE MODE
The mode is cancelled when the A/T selector lever is shifted to P position from any other position.
DTC IndexINFOID:0000000001735554
*1:
• 0: Current malfunction is present
• 1-39: Displayed if any previous malfunction is present when current condition is normal. The numeral value increases by one at each
IGN ON to OFF cycle from 1 to 39. The counter remains at 39 even if the number of cycles exceeds it. However, the counter is re set
to 1 if any malfunction is detected again, the normal operation is resumed and the ignition switch is turned from OFF to ON. OPERATED PORTION T2
Seat sliding Approx. 0.1 sec.
Seat reclining Same as above
Seat lifting (Front) Same as above
Seat lifting (Rear) Same as above
Pedal adjust Same as above
Priority Function PriorityFunction
1 Seat sliding, (door mirro r LH/RH)* 4Seat lifter-FR
2 Pedal 5Seat lifter-RR
3 Seat reclining
CONSULT-III
display Timing
*1
Item
Reference page
Current mal-
function Previous mal-
function
CAN COMM CIRCUIT
[U1000] 0
1-39 CAN communication ADP-29
SEAT SLIDE
[B2112]0
1-39 Seat slide motor output ADP-30
SEAT RECLINING
[B2113]0
1-39 Seat reclining motor output ADP-31
SEAT LIFTER FRONT
[B2114]0
1-39 Seat lifting motor front output ADP-34
SEAT LIFTER REAR
[B2115]0
1-39 Seat lifting motor rear output ADP-34
TILT MOTOR
[B2116]0
1-39 Tilt motor output ADP-95
ADJ PEDAL MOTOR
[B2117]0
1-39 Pedal adjusting motor output ADP-34
TILT SENSOR
[B2118]0
1-39 Tilt sensor input ADP-36
ADJ PEDAL SENSOR
[B2120]0
1-39 Pedal adjusting sensor input ADP-34
DETENT SW
[B2126]0
1-39 Park position switch condition ADP-40
UART COMM
[B2128]0
1-39 UART communication ADP-42
Revision: March 2010 2008 QX56

BCM (BODY CONTROL MODULE)ADP-153
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DTC Inspection Priority ChartINFOID:0000000004832383
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC IndexINFOID:0000000004832384
NOTE: Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF → ON again.
• 1 - 39: Displayed if any previous ma lfunction is present when current conditi on is normal. It increases like 1
→ 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF → ON after returning to the normal condi tion if the malfunction is detected again.
Display contents of CONSULT Fail-safe Cancellation
U1000: CAN COMM CIRCUIT I nhibit engine crankingWhen the BCM re-establishes communication with the other mod-
ules.
U1010: CONTROL UNIT (CAN) Inhibit engine cranking When the BCM re-start communicating with the other modules.
Priority DTC
1 • U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2 • B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION
3 • C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL
4 • C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL
Revision: March 2010
2008 QX56