ground INFINITI QX56 2011 Factory Repair Manual

ADP-116
< DTC/CIRCUIT DIAGNOSIS >
TELESCOPIC MOTOR
TELESCOPIC MOTOR
Component Function CheckINFOID:0000000006248412
1.CHECK FUNCTION
1. Select “TELESCO MOTOR” in “Act ive test” mode with CONSULT-III.
2. Check the telescopic motor operation.
Is the operation of relevant parts normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-116, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248413
1.CHECK TELESCOPIC MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect telescopic motor connector.
3. Turn ignition switch ON.
4. Perform “Active test” (“TELESCO MOTOR”) with CONSULT-lll
5. Check voltage between telescopic motor harness connector and ground.
Is the inspection result normal?
YES >> Replace telescopic motor (built in steering column assembly).
NO >> GO TO 2.
2.CHECK TELESCOPIC MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit.
3. Check continuity between automatic drive positi oner control unit harness connector and telescopic motor
harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Te s t i t e m D e s c r i p t i o n
TELESCO MOTOR OFF
Steering telescopicStop
FR Forward
RR Backward
(+) (-) Condition Voltage (V)
(Approx.)
Telescopic motor
Connector Terminals
M117 1
GroundTELESCOPIC MO-
TOR OFF 0
FR (forward) 0
RR (backward) 12
2 OFF 0
FR (forward) 12
RR (backward) 0
Automatic drive positioner control unit Telescopic motor
Continuity
Connector Terminal Connector Terminal
M75 26
M117 1
Existed
29 2
Revision: 2010 May2011 QX56

TELESCOPIC MOTORADP-117
< DTC/CIRCUIT DIAGNOSIS >
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Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M75 26
Not existed
29
Revision: 2010 May2011 QX56

ADP-118
< DTC/CIRCUIT DIAGNOSIS >
DOOR MIRROR MOTOR
DOOR MIRROR MOTOR
Component Function CheckINFOID:0000000006248414
1.CHECK DOOR MIRROR MOTOR FUNCTION
Check the operation with “MIRROR MOTOR RH” and “MI RROR MOTOR LH” in “ACTIVE TEST” mode with
CONSULT-III
Refer to ADP-22, "
CONSULT-III Function".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Refer to ADP-118, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006248415
1.CHECK DOOR MIRROR MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect door mirror connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR MIRROR MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positi oner control unit harness connector and door mirror har-
ness connector.
[driver side]
[passenger side]
4. Check continuity between automatic drive positioner control unit harness connector and ground.
(+)
(-) Condition Voltage (V)
(Approx.)
Door mirror
Connector Terminals
D3 (Driver side)
D23 (Passenger side) 12
GroundDoor mirror remote
control switch UP 12
Other than the above 0
11 LEFT 12
Other than the above 0
10 DOWN / RIGHT 12
Other than the above 0
Automatic drive positioner contro
l unit Door mirror (driver side)
Continuity
Connector Terminal Connector Terminal
M75 12
D3 10
Existed
23 12
24 11
Automatic drive positioner control unit Door mirror (passenger side) Continuity
Connector Terminal Connector Terminal
M75 22
D23 10
Existed
10 12
11 11
Revision: 2010 May2011 QX56

DOOR MIRROR MOTORADP-119
< DTC/CIRCUIT DIAGNOSIS >
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[driver side]
[passenger side]
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace harness or connector.
3.CHECK DOOR MIRROR MOTOR
Check door mirror motor.
Refer to ADP-119, "
Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident.Refer to GI-40, "Intermittent Incident".
NO >> Replace door mirror.
Component InspectionINFOID:0000000006248416
1.CHECK DOOR MIRROR MOTOR 1
Check that door mirror motor does not trap foreign objects and does not have any damage.
Refer to MIR-32, "
Exploded View".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace door mirror.
2.CHECK DOOR MIRROR MOTOR 2
1. Turn ignition switch OFF.
2. Disconnect door mirror connector.
3. Apply 12 V to each power supply terminal of door mirror motor.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace door mirror.
Automatic drive positioner control unit
GroundContinuity
Connector Terminal
M75 12
Not existed
23
24
Automatic drive positioner control unit
GroundContinuity
Connector Terminal
M75 22
Not existed
10
11
Door mirror Operational direction
Connector Te r m i n a l
(+) (-)
D3 (Driver side)
D23 (Passenger side) 10 11 RIGHT
11 1 0 L E F T
12 10 UP
10 12 DOWN
Revision: 2010 May2011 QX56

ADP-120
< DTC/CIRCUIT DIAGNOSIS >
SEAT MEMORY INDICATOR
SEAT MEMORY INDICATOR
Component Function CheckINFOID:0000000006248417
1.CHECK FUNCTION
1. Select “MEMORY SW INDCTR” in “A ctive test” mode with CONSULT-III.
2. Check the memory indicator operation.
Is the operation of relevant parts normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-120, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000006248418
1.CHECK SEAT MEMORY SWITCH INDICATOR OPERATION
Check seat memory switch indicator operation.
Which is the malfunctioning indicator?
All indicators are NG>>GO TO 2.
An indicator is NG>>GO TO 4.
2.CHECK FUSE
1. Turn ignition switch OFF.
2. Check that the blown fuse after repairing the affected circuit if a fuse is blown.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
3.CHECK SEAT MEMORY SWITCH INDICATOR POWER SUPPLY
Check voltage between seat memory switch harness connector and ground.
Is the inspection result normal?
YES >> Replace seat memory switch.
NO >> Repair or replace harness or connector.
4.CHECK SEAT MEMORY SW ITCH INDICATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control uni t and seat memory switch connector.
3. Check continuity between driver seat control unit harness connector and seat memory switch harness
connector.
Te s t i t e m D e s c r i p t i o n
MEMORY SW INDCTR OFF
Memory switch indicatorOFF
ON-1 Indicator 1: ON
ON-2 Indicator 2: ON
Signal name Fuse No.
Battery power supply 10 (10 A)
(+) (-)Voltage (V)
(Approx.)
Seat memory switch
Connector Terminals D13 5 Ground Battery voltage
Revision: 2010 May2011 QX56

SEAT MEMORY INDICATORADP-121
< DTC/CIRCUIT DIAGNOSIS >
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4. Check continuity between driver s eat control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace driver seat control unit.
NO >> Repair or replace harness or connector.
Driver seat control unit Seat memory switch Continuity
Connector Terminal Connector Terminal
B452 23
D13 6
Existed
77
Driver seat control unit GroundContinuity
Connector Terminal
B452 23
Not existed
7
Revision: 2010 May2011 QX56

ADP-122
< SYMPTOM DIAGNOSIS >
MANUAL FUNCTION DOES NOT OPERATE
SYMPTOM DIAGNOSIS
MANUAL FUNCTION DOES NOT OPERATE
ALL COMPONENT
ALL COMPONENT : Diagnosis ProcedureINFOID:0000000006248419
1.CHECK DRIVER SEAT CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check driver seat control unit power supply and ground circuit.
Refer to ADP-67, "
DRIVER SEAT CONTROL UNIT : DiagnosisProcedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunction parts.
2.CHECK AUTOMATIC DRIVE POSITIONER CONTRO L UNIT POWER SUPPLY AND GROUND CIRCUIT
Check automatic drive positioner cont rol unit power supply and ground circuit.
Refer to ADP-67, "
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : DiagnosisProcedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunction parts.
3.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
POWER SEAT
POWER SEAT : Diagnosis ProcedureINFOID:0000000006248420
1.CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check power seat switch ground circuit.
Refer to ADP-87, "
DiagnosisProcedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connector.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
TILT & TELESCOPIC
TILT & TELESCOPIC : Diagnosis ProcedureINFOID:0000000006248421
1.CHECK TILT & TELESCOP IC SWITCH GROUND CIRCUIT
Check tilt & telescopic switch ground circuit.
Refer to ADP-88, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connector.
2.CONFIRM THE OPERATION
Confirm the operation again.
Revision: 2010 May2011 QX56

AV
AV-3
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U125A HEADREST DISPLAY UNIT .............. ..147
DTC Logic ........................................................... ..147
Diagnosis Procedure .............................................147
U1263 USB .......................................................148
DTC Logic ........................................................... ..148
Diagnosis Procedure .............................................148
U1264 ANTENNA AMP. ...................................149
DTC Logic ........................................................... ..149
Diagnosis Procedure .............................................149
U1265 BOSE AMP. ..........................................150
DTC Logic ........................................................... ..150
Diagnosis Procedure .............................................150
U1300 AV COMM CIRCUIT .............................151
Description .......................................................... ..151
U1310 AV CONTROL UNIT .............................152
DTC Logic ........................................................... ..152
B2700 CORNER SENSOR [FL] .......................153
DTC Logic ........................................................... ..153
B2701 SENSOR HARNESS OPEN [CR-FL] ...154
DTC Logic ........................................................... ..154
Diagnosis Procedure .............................................154
B2702 CORNER SENSOR [FR] ......................155
DTC Logic ........................................................... ..155
B2703 SENSOR HARNESS OPEN [CR-FR] ...156
DTC Logic ........................................................... ..156
Diagnosis Procedure .............................................156
B2704 CORNER SENSOR [RL] ......................157
DTC Logic ........................................................... ..157
B2705 SENSOR HARNESS OPEN [CR-RL] ...158
DTC Logic ........................................................... ..158
Diagnosis Procedure .............................................158
B2706 CORNER SENSOR [RR] ......................159
DTC Logic ........................................................... ..159
B2707 SENSOR HARNESS OPEN [CR-RR] ..160
DTC Logic .............................................................160
Diagnosis Procedure .............................................160
POWER SUPPLY AND GROUND CIRCUIT ....161
AV CONTROL UNIT .............................................. ..161
AV CONTROL UNIT : Diagnosis Procedure .........161
FRONT DISPLAY UNIT ......................................... ..161
FRONT DISPLAY UNIT : Diagnosis Procedure ....161
HEADREST DISPLAY UNIT ................................. ..162
HEADREST DISPLAY UNIT : Diagnosis Proce-
dure ..................................................................... ..
162
VIDEO DISTRIBUTOR .......................................... ..163
VIDEO DISTRIBUTOR : Diagnosis Procedure ......163
BOSE AMP. ........................................................... ..163
BOSE AMP. : Diagnosis Procedure ......................163
AROUND VIEW MONITOR CONTROL UNIT .........164
AROUND VIEW MONITOR CONTROL UNIT : Di-
agnosis Procedure ............................................... ..
164
SONAR CONTROL UNIT (WITH AROUND VIEW
MONITOR) ............................................................. ..
165
SONAR CONTROL UNIT (WITH AROUND VIEW
MONITOR) : Diagnosis Procedure ........................
165
RGB DIGITAL IMAGE SIGNAL CIRCUIT ......166
Description .............................................................166
Diagnosis Procedure .............................................166
COMPOSITE IMAGE SIGNAL CIRCUIT (AV
CONTROL UNIT TO FRONT DISPLAY UNIT) .
167
Description ........................................................... ..167
Diagnosis Procedure .............................................167
COMPOSITE IMAGE SIGNAL CIRCUIT (AV
CONTROL UNIT TO VIDEO DISTRIBUTOR) .
168
Description .............................................................168
Diagnosis Procedure .............................................168
COMPOSITE IMAGE SIGNAL CIRCUIT (VID-
EO DISTRIBUTOR TO HEADREST DISPLAY
UNIT) ...............................................................
169
Description .............................................................169
Diagnosis Procedure .............................................169
AUX IMAGE SIGNAL CIRCUIT (FRONT AUX-
ILIARY INPUT JACKS TO AV CONTROL
UNIT) ...............................................................
171
Description .............................................................171
Diagnosis Procedure .............................................171
AUX IMAGE SIGNAL CIRCUIT (REAR AUX-
ILIARY INPUT JACKS TO VIDEO DISTRIBU-
TOR) ................................................................
172
Description .............................................................172
Diagnosis Procedure .............................................172
IMAGE SWITCH SIGNAL CIRCUIT ................173
Description .............................................................173
Diagnosis Procedure .............................................173
LOCATION RECOGNITION SIGNAL CIR-
CUIT ................................................................
175
Description .............................................................175
Diagnosis Procedure .............................................175
DISK EJECT SIGNAL CIRCUIT .....................176
Description .............................................................176
Diagnosis Procedure .............................................176
MODE CHANGE SIGNAL CIRCUIT ...............177
Description .............................................................177
Revision: 2010 May2011 QX56

AV-4
Diagnosis Procedure .............................................177
MICROPHONE SIGNAL CIRCUIT ..................178
Description ........................................................... ..178
Diagnosis Procedure .............................................178
CAMERA IMAGE SIGNAL CIRCUIT ...............180
Description ........................................................... ..180
Diagnosis Procedure .............................................180
FRONT CAMERA COMMUNICATION SIG-
NAL CIRCUIT ..................................................
181
Description ........................................................... ..181
Diagnosis Procedure .............................................181
FRONT CAMERA IMAGE SIGNAL CIRCUIT .182
Description .............................................................182
Diagnosis Procedure .............................................182
REAR CAMERA COMMUNICATION SIGNAL
CIRCUIT ...........................................................
184
Description ........................................................... ..184
Diagnosis Procedure .............................................184
REAR CAMERA IMAGE SIGNAL CIRCUIT ...185
Description ........................................................... ..185
Diagnosis Procedure .............................................185
SIDE CAMERA LH COMMUNICATION SIG-
NAL CIRCUIT ..................................................
187
Description ........................................................... ..187
Diagnosis Procedure .............................................187
SIDE CAMERA LH IMAGE SIGNAL CIRCUIT .188
Description ........................................................... ..188
Diagnosis Procedure .............................................188
SIDE CAMERA RH COMMUNICATION SIG-
NAL CIRCUIT ..................................................
190
Description ........................................................... ..190
Diagnosis Procedure .............................................190
SIDE CAMERA RH IMAGE SIGNAL CIRCUIT .191
Description ........................................................... ..191
Diagnosis Procedure .............................................191
STEERING SWITCH SIGNAL A CIRCUIT ......193
Description ........................................................... ..193
Diagnosis Procedure .............................................193
Component Inspection ...........................................193
STEERING SWITCH SIGNAL B CIRCUIT ......195
Description ........................................................... ..195
Diagnosis Procedure .............................................195
Component Inspection ...........................................195
STEERING SWITCH GROUND CIRCUIT .......197
Description ........................................................... ..197
Diagnosis Procedure .............................................197
Component Inspection ...........................................197
SYMPTOM DIAGNOSIS ............................199
MULTI AV SYSTEM SYMPTOMS .................. ..199
Symptom Table .................................................... .199
NORMAL OPERATING CONDITION ...............206
Description ........................................................... .206
REMOVAL AND INSTALLATION .............212
AV CONTROL UNIT ....................................... ..212
Removal and Installation ...................................... .212
FRONT DISPLAY UNIT ....................................213
Removal and Installation ...................................... .213
HEADREST DISPLAY UNIT ............................214
Exploded View ..................................................... .214
Removal and Installation .......................................214
VIDEO DISTRIBUTOR .....................................215
Removal and Installation ...................................... .215
FRONT DOOR SPEAKER ................................216
Removal and Installation ...................................... .216
REAR DOOR SPEAKER ..................................217
Removal and Installation ...................................... .217
SQUAWKER .....................................................218
Removal and Installation ...................................... .218
REAR DOOR TWEETER ..................................219
Removal and Installation ...................................... .219
ROOF SPEAKER .............................................220
Removal and Installation ...................................... .220
CENTER SPEAKER ....................................... ..221
Removal and Installation ...................................... .221
WOOFER ..........................................................222
Removal and Installation ...................................... .222
BOSE AMP. ......................................................223
Removal and Installation ...................................... .223
ANTENNA AMP. ............................................. ..224
Removal and Installation ...................................... .224
SATELLITE RADIO ANTENNA .......................225
Exploded View ..................................................... .225
Removal and Installation .......................................225
Disassembly and Assembly ..................................225
MULTIFUNCTION SWITCH .............................226
Removal and Installation ...................................... .226
PRESET SWITCH ........................................... ..227
Removal and Installation ...................................... .227
FRONT AUXILIARY INPUT JACKS ................228
Removal and Installation ...................................... .228
REAR AUXILIARY INPUT JACKS ...................229
Removal and Installation ...................................... .229
Revision: 2010 May2011 QX56

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-31
< SYSTEM DESCRIPTION >
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SELF-DIAGNOSIS RESULTS
Check the applicable display at the following table, and then repair the malfunctioning parts.
Only Unit Part Is Displayed In Red.
A Connecting Cable Between Units Is Displayed In Yellow.
CONFIRMATION/ADJUSTMENT MODE
Screen switch Description Possible malfunction location / Action to
take
Control Unit Malfunction is detected in AV control unit
power supply and ground circuits.Check AV control unit power supply and
ground circuits. When detecting no mal-
function in those components, replace AV
control unit.
Area with yellow connection lines Description
Possible malfunction location / Action to
take
Control unit ⇔ Front Display Serial communication circuits between AV
control unit and front display unit are mal-
functioning. Serial communication circuits between AV
control unit and front display unit.
Control unit ⇔ GPS Antenna GPS antenna connection malfunctions de-
tected. Check the connection of the GPS antenna
connector.
Control unit ⇔ XM Antenna Satellite radio antenna connection malfunc-
tion is detected.
Satellite radio antenna disconnection
Control unit ⇔ Around view
Around view ⇔ Parking Sensor When either one of the following items are
detected:
 around view monitor control unit power
supply and ground circuits are malfunc-
tioning.
 AV communication circuits between AV
control unit and around view monitor
control unit are malfunctioning.  Around view monitor control unit power
supply and ground circuits.
 AV communication circuits between AV
control unit and around view monitor
control unit.
Control unit ⇔ Parking Sensor
Around view ⇔ Parking Sensor When either one of the following items are
detected:
 sonar control unit power supply and
ground circuits are malfunctioning.
 AV communication circuits between AV
control unit and sonar control unit are
malfunctioning.  Sonar control unit power supply and
ground circuits.
 AV communication circuits between AV control unit and sonar control unit.
Control unit ⇔ Video Dist.(Rear)
Video Dist.(Rear) ⇔ Rear display 2 When either one of the following items are
detected:
 video distributor power supply and
ground circuits are malfunctioning.
 headrest display unit LH power supply and ground circuits are malfunctioning.
 AV communication circuits between AV control unit and headrest display unit LH
are malfunctioning.
 location recognition signal circuit be- tween headrest display unit LH and
ground is malfunctioning.  Video distributor power supply and
ground circuits.
 Headrest display unit LH power supply
and ground circuits.
 AV communication circuits between AV control unit and headrest display unit LH.
 Location recognition signal circuit be- tween headrest display unit LH and
ground.
Video Dist.(Rear) ⇔ Rear display 2 When either one of the following items are
detected:
 headrest display unit RH power supply
and ground circuits are malfunctioning.
 AV communication circuits between headrest display unit LH and headrest
display unit RH are malfunctioning.
 location recognition signal circuit be- tween headrest display unit RH and
ground is malfunctioning.  Headrest display unit RH power supply
and ground circuits.
 AV communication circuits between
headrest display unit LH and headrest
display unit RH.
 Location recognition signal circuit be-
tween headrest display unit RH and
ground.
Revision: 2010 May2011 QX56