2007 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2007 Factory Service Manual AUTOMATIC DRIVE POSITIONER
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CONSULT-II START PROCEDURE
Refer to GI-36, "CONSULT-II Start Procedure".
SELF-DIAGNOSIS RESULTS
DISPLAY ITEM LI

AUTOMATIC DRIVE POSITIONER
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CONSULT-II START PROCEDURE
Refer to GI-36, "CONSULT-II Start Procedure".
SELF-DIAGNOSIS RESULTS
DISPLAY ITEM LIST
NOTE:
• If park switch error is detected, manual adjustable pedal operation cannot be performed when ignition switch
turns ON.
• The displays of CAN communication and detection switch display error detecting condition from memory
erase to the present on “TIME”.
- If error is detected in the past and present error is detected, “CRNT” is displayed.
- If error is detected in the past and present error is not detected, “PAST” is displayed.
- If error has never been detected, nothing is displayed on “TIME”.
• Any items other than CAN communication and park switch count error detection frequency occurred after
erase history to “1-127”.
- If error was detected in the past, error detection frequency from memory erase to the present is displayed on
“TIME”.
- If error has never been detected, nothing is displayed on “TIME”.
- Can clear the detected memory.
Normal: Clear memory in normal condition, history is erased and nothing is displayed on “TIME”.
Error: Clear memory in error condition, error is detected again and “1” is displayed on “TIME”.
DATA MONITOR
SELECTIOM FROM MENU
CONSULT-II display Item Malfunction is detected when...Reference
page
CAN COMM CIRC
[U1000]CAN communication Malfunction is detected in CAN communication. SE-35
SEAT SLIDE
[B2112]Seat slide motorWhen any manual and automatic operations are not performed, if any
motor operations of seat slide is detected for 0.1 second or more, sta-
tus is judged “Output error”.SE-37
SEAT RECLINING
[B2113]Seat reclining motorWhen any manual and automatic operations are not performed, if any
motor operations of seat reclining is detected for 0.1 second or more,
status is judged “Output error”.SE-38
SEAT LIFTER FR
[B2114]Seat lifting FR motorWhen any manual and automatic operations are not performed, if any
motor operations of seat lifting FR is detected for 0.1 second or more,
status is judged “Output error”.SE-39
SEAT LIFTER RR
[B2115]Seat lifting RR motorWhen any manual and automatic operations are not performed, if any
motor operations of seat lifting RR is detected for 0.1 second or more,
status is judged “Output error”.SE-40
STEERING TILT
[B2116]Steering tilt motorWhen any manual and automatic operations are not performed, if any
motor operations of tilt is detected for 0.1 second or more, status is
judged “Output error”.SE-45
TILT SENSOR
[B2118]Steering tilt sensorWhen steering tilt sensor detects 0.5V or lower, or 4.5V or higher, for
0.5 seconds or more.SE-54
ADJ PEDAL MO-
TOR
[B2117]Pedal adjust motorWhen any manual and automatic operations are not performed, if mo-
tor operations of seat pedal is detected for 0.1 second or more, status
is judged “Output error”.SE-41
ADJ PEDAL SEN-
SOR
[B2120]Pedal adjust sensorWhen pedal adjust sensor detects 0.5V or lower, or 4.5V or higher, for
0.5 seconds or more.SE-50
DETENT SW
[B2126]Park SWWith the A/T selector lever in P position (park position switch OFF), if
the vehicle speed of 7 km/h (4 MPH) or higher was input the park po-
sition switch input system is judged malfunctioning.SE-69
UART COMM
[B2128]UART communica-
tionMalfunction is detected in UART communication.SE-73

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INFINITI QX56 2007 Factory Service Manual SE-34
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
Monitor item [OPERATION or UNIT] Contents
SLIDE SW-FR “ON/OFF�

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< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
Monitor item [OPERATION or UNIT] Contents
SLIDE SW-FR “ON/OFF” ON/OFF status judged from the sliding switch (FR) signal is displayed.
SLIDE SW-RR “ON/OFF” ON/OFF status judged from the sliding switch (RR) signal is displayed.
RECLN SW-FR “ON/OFF” ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLN SW-RR “ON/OFF” ON/OFF status judged from the reclining switch (RR) signal is displayed.
LIFT FR SW-UP “ON/OFF” ON/OFF status judged from the FR lifter switch (UP) signal is displayed.
LIFT FR SW-DN “ON/OFF” ON/OFF status judged from the FR lifter switch (DOWN) signal is displayed.
LIFT RR SW-UP “ON/OFF” ON/OFF status judged from the RR lifter switch (UP) signal is displayed.
LIFT RR SW-DN “ON/OFF” ON/OFF status judged from the RR lifter switch (DOWN) signal is displayed.
MIR CON SW-UP “ON/OFF”ON/OFF status judged from the door mirror remote control switch (UP) signal is dis-
played.
MIR CON SW-DN “ON/OFF”ON/OFF status judged from the door mirror remote control switch (DOWN) signal
is displayed.
MIR CON SW-RH “ON/OFF”ON/OFF status judged from the door mirror remote control switch (RIGHT) signal
is displayed.
MIR CON SW-LH “ON/OFF”ON/OFF status judged from the door mirror remote control switch (LEFT) signal is
displayed.
MIR CHNG SW-R “ON/OFF”ON/OFF status judged from the door mirror remote control switch (switching to
RIGHT) signal is displayed.
MIR CHNG SW-L “ON/OFF”ON/OFF status judged from the door mirror remote control switch (switching to
LEFT) signal is displayed.
SET SW “ON/OFF” ON/OFF status judged from the setting switch signal is displayed.
TILT SW-UP “ON/OFF” ON/OFF status judged from the tilt adjusting switch (UP) signal is displayed.
PEDAL SW-FR “ON/OFF” ON/OFF status judged from the pedal adjusting switch (FR) signal is displayed.
PEDAL SW-RR “ON/OFF” ON/OFF status judged from the pedal adjusting switch (RR) signal is displayed.
MEMORY SW1 “ON/OFF” ON/OFF status judged from the seat memory switch 1 signal is displayed.
MEMORY SW2 “ON/OFF” ON/OFF status judged from the seat memory switch 2 signal is displayed.
DETENT SW “ON/OFF”The A/T selector lever position “OFF (P position) / ON (other than P position)”
judged from the park position switch signal is displayed.
STARTER SW “ON/OFF”Ignition key switch ON (START, ON) /OFF (ignition switch IGN, ACC, or OFF) sta-
tus judged from the ignition switch signal is displayed.
SLIDE PULSE —Value (32768) when battery connects is as standard. If it moves BACKWARD, the
value increases. If it moves FORWARD, the value decreases.
RECLN PULSE —Value (32768) when battery connects is as standard. If it moves BACKWARD, the
value increases. If it moves FORWARD, the value decreases.
LIFT FR PULSE —Value (32768) when battery connects is as standard. If it moves DOWN, the value
increases. If it moves UP, the value decreases.
LIFT RR PULSE —Value (32768) when battery connects is as standard. If it moves DOWN, the value
increases. If it moves UP, the value decreases.
MIR/SEN RH R-L “V” Voltage output from RH door mirror sensor (LH/RH) is displayed.
MIR/SEN RH U-D “V” Voltage output from RH door mirror sensor (UP/DOWN) is displayed.
MIR/SEN LH R-L “V” Voltage output from LH door mirror sensor (LH/RH) is displayed.
MIR/SEN LH U-D “V” Voltage output from LH door mirror sensor (UP/DOWN) is displayed.
PEDAL SEN “V”The pedal position (voltage) judged from the pedal adjust sensor signal is dis-
played.

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If active test is performed, reset seat memory and automatic drive positioner seat memory after performing
work

AUTOMATIC DRIVE POSITIONER
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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)INFOID:0000000003533171
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, "
Precaution When Using CONSULT-II".
Symptom ChartINFOID:0000000003533172
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 RHThe RH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
MIRROR MOTOR LHThe LH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
CONSULT-II display code Diagnosis item
U1000INITIAL DIAG
TRANSMIT DIAG
BCM
METER/M&A
ECM
I-KEY
Symptom Diagnoses / service procedure Refer to page
Only setting change function cannot be set with display.1. Preliminary checkSE-30
2. CAN communication inspection using CONSULT-II (self-
diagnosis)SE-35
3. If the above systems are normal, check display system.AV- 7 3

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INFINITI QX56 2007 Factory Service Manual SE-36
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
A part of seat system does not operate (both automatical-
ly and manually).1. Sliding motor circuit inspection SE-37
2. Reclining motor LH circ

SE-36
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
A part of seat system does not operate (both automatical-
ly and manually).1. Sliding motor circuit inspection SE-37
2. Reclining motor LH circuit inspection SE-38
3. Lifting motor (front) circuit inspectionSE-39
4. Lifting motor (rear) circuit inspectionSE-40
5. If the above systems are normal, replace the driver seat
control unit.SE-83
A part of pedal adjust and door mirror does not operate
(both automatically and manually).1. Pedal adjusting motor circuit inspectionSE-412. Mirror motor LH circuit check SE-42
3. Mirror motor RH circuit check SE-44
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 inspectionSE-46
2. Reclining sensor circuit inspectionSE-47
3. Lifting sensor (front) circuit inspectionSE-48
4. Lifting sensor (rear) circuit inspectionSE-49
5. If the above systems are normal, replace the driver seat
control unit.SE-83
A part of door mirror system does not operate (only auto-
matic operation).1. Mirror sensor LH circuit checkSE-512. Mirror sensor RH circuit checkSE-53
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 inspectionSE-69
2. UART communication line circuit inspectionSE-73
3. Pedal adjusting sensor circuit inspectionSE-50
4. Steering wheel tilt sensor circuit inspectionSE-54
4. If all the above systems are normal, replace the automatic
drive positioner control unit.SE-11
A part of seat system does not operate (only manual op-
eration).1. Sliding switch circuit inspectionSE-55
2. Reclining switch circuit inspectionSE-56
3. Lifting switch (front) circuit inspectionSE-58
4. Lifting switch (rear) circuit inspectionSE-59
5. If the above systems are normal, replace the driver seat
control unit.SE-83
A part of pedal adjust and door mirror does not operate
(only manual operation).1. Pedal adjusting switch circuit inspection SE-61
2. Door mirror remote control switch (change over switch)
circuit inspection SE-62
3. Door mirror remote control switch (mirror switch) switch-
ing circuit inspection SE-64
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 inspectionSE-672. If the above systems are normal, replace the driver seat
control unit.SE-83
Seat memory indicator lamps 1 and 2 do not illuminate.1. Seat memory indicator lamp circuit inspectionSE-672. If all the above systems are normal, replace the driver seat
control unit.SE-83
Symptom Diagnoses / service procedure Refer to page

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INFINITI QX56 2007 Factory Service Manual AUTOMATIC DRIVE POSITIONER
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Sliding Motor Circuit InspectionINFOID:0000000003533173
1.CHECK SEAT SLIDING MECHANISM
Check the following.
•

AUTOMATIC DRIVE POSITIONER
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Sliding Motor Circuit InspectionINFOID:0000000003533173
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 connector
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.
4.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
The entry/exiting does not operate when door is opened
and closed.
(The entry/exiting operates with key switch)1. Front door switch circuit inspectionSE-72
2. If all the above systems are normal, replace the BCM.BCS-24
Door mirror system does not operate (only manual oper-
ation).1.Door mirror remote control switch ground circuit inspectionSE-65
Door mirror system does not operate (only automatic op-
eration).1. Door mirror sensor power supply and ground circuit in-
spectionSE-69
Seat system does not operate (only manual operation). 1. Power seat switch ground circuit inspectionSE-60
Symptom Diagnoses / 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 2007 Factory Service Manual SE-38
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
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

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INFINITI QX56 2007 Factory Service Manual AUTOMATIC DRIVE POSITIONER
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OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the d

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INFINITI QX56 2007 Factory Service Manual SE-40
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
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

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