2010 INFINITI QX56 steering wheel adjustment

BRC-68
< COMPONENT DIAGNOSIS >[VDC/TCS/ABS]
C1163 ST ANGLE SEN SAFE
C1163 ST ANGLE SEN SAFE
DescriptionINFOID:0000000005148039
The steering angle sensor detects the rotation amount,
angular velocity and direction of the steering wheel,
and transmits the data to the ABS actuator and el ectric unit (control unit) via CAN communication.
DTC LogicINFOID:0000000005148040
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> Proceed to diagnosis procedure. Refer to BRC-68, "Diagnosis Procedure".
NO >> Inspection End
Diagnosis ProcedureINFOID:0000000005148041
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Adjust steering angle sensor neutral position. Refer to BRC-8, "
ADJUSTMENT OF STEERING ANGLE SEN-
SOR NEUTRAL POSITION : Description".
>> GO TO 2
2.INDICATOR LAMP CHECK
Check that VDC OFF indicator lamp is off.
Is VDC OFF indicator lamp off?
YES >> Inspection End
NO >> Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to BRC-23, "
CONSULT-
III Function (ABS)".
DTCDisplay item Malfunction detected condition Possible cause
C1163 ST ANGL SEN SAFE When steering angle sensor is in safe mode. • Adjust steering angle sensor
neutral position
Self-diagnosis results
ST ANGL SEN SAFE
Revision: April 20092010 QX56

CCS-18
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)
ERASING ON BOARD SELF-DIAGNOSIS
1. Stop the vehicle and turn ignition switch OFF.
2. Start engine and start on board self-diagnosis.
3. During on board self-diagnosis, press CANCEL switch 5 times,
and DISTANCE switch 5 times in this order.
NOTE:
• Press them within 10 seconds after pressing CANCEL switch
at first.
• When operation is not completed within 10 seconds, start again from step 2 above.
4. DTC 55 will be shown. NOTE:
DTC of an existing malfunction will not be erased.
5. Turn ignition switch OFF to exit the diagnosis.
CONSULT-III Function (ICC)INFOID:0000000005145984
DESCRIPTION
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
WORK SUPPORT
Cause of Auto-Cancel Display Item List
×: Applicable
PKIB8373E
Test mode Function
Work Support • Monitors aiming direction to facilitate laser beam aiming operation.
• Indicates causes of automatic cancellation of the ICC system.
Self Diagnostic Result Displays malfunctioning system memorized in ICC sensor integrated unit.
Data Monitor Displays real-time input/output data of ICC sensor integrated unit.
Active Test Enables operation check of electrical loads by sending driving signal to them.
ECU Identification Displays part number of ICC sensor integrated unit.
Work support item Function
CAUSE OF AUTO-CANCEL Indicates causes of automatic cancellation of the ICC system.
LASER BEAM ADJUST Outputs laser beam, calculates dislocation of the beam, and indicates adjustment direction.
For the adjustment procedure, refer to
CCS-5, "
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement".
Cause of cancellationVehicle-to-vehi-
cle distance
control modeConventional
(fixed speed)
cruise control
mode
Description
OPERATING WIPER ×Windshield wipers were operated at HI or LO speed operation.
OPERATING ABS ×ABS function was operated.
OPERATING TCS ××TCS function was operated.
OPERATING VDC ××VDC function was operated.
OPE SW VOLT CIRC ××Outside the standard control switch input voltage was detected.
ECM CIRCUIT ××ECM did not permit ICC operation.
LASER SUN BEAM ×Intense light such as sunlight entered ICC sensor integrated unit
light sensing part.
LASER TEMP ×Temperature around ICC sensor integrated unit became low.
OP SW DOUBLE TOUCH ××ICC steering switches were pressed at the same time.
WHL SPD ELEC NOISE ××Wheel speed sensor signal caught electromagnetic noise.
Revision: April 20092010 QX56

DLK-4
Diagnosis Procedure .............................................138
BACK DOOR CLOSE SWITCH SYSTEM .......139
Diagnosis Procedure ........................................... ..139
BACK DOOR SWITCH ....................................140
Diagnosis Procedure ........................................... ..140
CINCH LATCH MOTOR SYSTEM ...................141
Diagnosis Procedure ........................................... ..141
INTELLIGENT KEY UNIT POWER BACK
DOOR INPUT SIGNAL ....................................
142
Description ........................................................... ..142
Diagnosis Procedure .............................................142
INTELLIGENT KEY UNIT POWER BACK
DOOR OUTPUT SIGNAL ................................
143
Description ........................................................... ..143
Diagnosis Procedure .............................................143
HOMELINK UNIVERSAL TRANSCEIVER ......144
Wiring Diagram .................................................... ..144
Description .............................................................145
Component Function Check ................................146
Diagnosis Procedure .............................................146
ECU DIAGNOSIS ..................................... ..148
BCM (BODY CONTROL MODULE) ............... .148
Reference Value .................................................. ..148
Terminal Layout .....................................................151
Physical Values .....................................................151
Wiring Diagram — POWER DOOR LOCK SYS-
TEM — ..................................................................
157
Fail Safe ................................................................170
DTC Inspection Priority Chart .............................171
DTC Index ........................................................... ..171
INTELLIGENT KEY UNIT ................................173
Reference Value .................................................. ..173
Terminal Layout - Intelligent Key Unit ....................174
Physical Values - Intelligent Key Unit ....................174
Terminal Layout - Steering Lock Solenoid ........... ..177
Physical Values - Steering Lock Solenoid .............177
Wiring Diagram — INTELLIGENT KEY SYSTEM
— ...........................................................................
178
Fail Safe ................................................................195
DTC Inspection Priority Chart .............................196
DTC Index ........................................................... ..196
BACK DOOR CONTROL UNIT .......................197
Reference Value .................................................. ..197
Wiring Diagram—AUTOMATIC BACK DOOR
SYSTEM— ............................................................
199
Fail Safe .............................................................. ..209
SYMPTOM DIAGNOSIS ............................210
INTELLIGENT KEY SYSTEM SYMPTOMS ... .210
Symptom Table ................................................... ..210
DOOR LOCK FUNCTION SYMPTOMS ...........211
DOOR LOCK AND UNLOCK SWITCH .................. .211
DOOR LOCK AND UNLOCK SWITCH : Symptom
Table .....................................................................
211
INTELLIGENT KEY ................................................ .212
INTELLIGENT KEY : Symptom Table ..................212
BACK DOOR OPENER FUNCTION ................214
BACK DOOR OPENER SWITCH .......................... .214
BACK DOOR OPENER SWITCH : Symptom Ta-
ble ........................................................................ .
214
BACK DOOR HANDLE .......................................... .214
BACK DOOR HANDLE : Symptom Table .............215
INTELLIGENT KEY ................................................ .215
INTELLIGENT KEY : Symptom Table ..................215
WARNING FUNCTION SYMPTOMS ...............216
Symptom Table .................................................... .216
KEY REMINDER FUNCTION SYMPTOMS .....219
Symptom Table .................................................... .219
HAZARD FUNCTION ..................................... ..220
Symptom Table .................................................... .220
HORN FUNCTION ............................................221
Symptom Table .................................................... .221
HOMELINK UNIVERSAL TRANSCEIVER ......222
Symptom Table .................................................... .222
SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ..............................................................
223
Work Flow ............................................................ .223
Inspection Procedure ............................................225
Diagnostic Worksheet ...........................................227
PRECAUTION ...........................................229
PRECAUTIONS .............................................. ..229
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. .
229
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ................................
229
Precaution for work ...............................................230
PREPARATION .........................................231
PREPARATION .............................................. ..231
Special Service Tool ............................................ .231
Commercial Service Tool ......................................232
ON-VEHICLE REPAIR ..............................233
HOOD ............................................................. ..233
Fitting Adjustment ................................................ .233
Removal and Installation of Hood Assembly ........234
Revision: April 20092010 QX56

DLN-3
CEF
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DLN
N
O P
PRECAUTIONS .............................................. ..120
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
120
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ..
120
Precaution for Transfer Assembly and Transfer
Control Unit Replacement .....................................
121
Precaution .............................................................121
Service Notice .......................................................122
PREPARATION .........................................123
PREPARATION .............................................. ..123
Special Service Tool ........................................... ..123
Commercial Service Tool ......................................125
ON-VEHICLE MAINTENANCE ..................127
TRANSFER OIL FILTER ................................ ..127
Removal and Installation .......................................127
TRANSFER FLUID ......................................... ..129
Replacement ....................................................... ..129
Inspection ..............................................................129
ON-VEHICLE REPAIR ...............................130
TRANSFER CONTROL UNIT ........................ ..130
Removal and Installation .......................................130
FRONT OIL SEAL ............................................131
Removal and Installation .......................................131
REAR OIL SEAL ..............................................133
Removal and Installation .......................................133
SIDE OIL SEAL .............................................. ..135
Removal and Installation .......................................135
TRANSFER CONTROL DEVICE ................... ..136
Removal and Installation .......................................136
AIR BREATHER HOSE .................................. ..137
Removal and Installation .......................................137
TRANSFER MOTOR ...................................... ..140
Removal and Installation .......................................140
REMOVAL AND INSTALLA TION .............141
TRANSFER ASSEMBLY ............................... ..141
Removal and Installation .......................................141
DISASSEMBLY AND ASSEMBLY ........... .142
TRANSFER ASSEMBLY ............................... ..142
Disassembly and Assembly ................................ ..142
SERVICE DATA AND SPECIFICATIONS
(SDS) ......... ................................. ................
179
SERVICE DATA AND SPECIFICATIONS
(SDS) ...............................................................
179
General Specification .......................................... ..179
Inspection and Adjustment ....................................179
PROPELLER SHAFT: 2F1310
PRECAUTION ...... ......................................
181
PRECAUTIONS ...............................................181
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
181
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
181
PREPARATION .........................................183
PREPARATION ...............................................183
Commercial Service Tool .................................... ..183
SYMPTOM DIAGNOSIS ............................184
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING .........................
184
NVH Troubleshooting Chart ................................ ..184
ON-VEHICLE REPAIR ...............................185
PROPELLER SHAFT ......................................185
On-Vehicle Service .............................................. ..185
REMOVAL AND INSTALLATION .............186
PROPELLER SHAFT ......................................186
Removal and Installation ..................................... ..186
DISASSEMBLY AND ASSEMBLY ............188
PROPELLER SHAFT ......................................188
Disassembly and Assembly ................................. ..188
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... .
190
SERVICE DATA AND SPECIFICATIONS
(SDS) ...............................................................
190
General Specification .......................................... ..190
Snap Ring ..............................................................190
PROPELLER SHAFT: 2S1410
PRECAUTION ...... ......................................
191
PRECAUTIONS ...............................................191
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
191
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
191
PREPARATION .........................................193
PREPARATION ...............................................193
Revision: April 20092010 QX56

DLN-4
Commercial Service Tool ......................................193
SYMPTOM DIAGNOSIS ............................194
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING ......................... .
194
NVH Troubleshooting Chart ................................ ..194
ON-VEHICLE REPAIR ...............................195
PROPELLER SHAFT ..................................... .195
On-Vehicle Service .............................................. ..195
REMOVAL AND INSTALLATION ..............196
PROPELLER SHAFT ..................................... .196
Removal and Installation ..................................... ..196
DISASSEMBLY AND ASSEMBLY ............199
PROPELLER SHAFT ..................................... .199
Disassembly and Assembly ................................. ..199
SERVICE DATA AND SPECIFICATIONS
(SDS) ........................................................ ..
201
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................... .
201
General Specification .......................................... ..201
Snap Ring ..............................................................201
FRONT FINAL DRIVE: M205
PRECAUTION .............. ..............................
203
PRECAUTIONS .............................................. .203
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. ..
203
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
203
Precaution for Servicing Front Final Drive .............204
PREPARATION ..........................................205
PREPARATION .............................................. .205
Special Service Tool ............................................ ..205
Commercial Service Tool ......................................207
SYMPTOM DIAGNOSIS ............................208
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ......................... .
208
NVH Troubleshooting Chart ................................ ..208
ON-VEHICLE MAINTENANCE ..................209
DIFFERENTIAL GEAR OIL ............................ .209
Changing Front Differential Gear Oil .....................209
Checking Front Differential Gear Oil .................... ..209
ON-VEHICLE REPAIR ...............................210
SIDE OIL SEAL .............................................. ..210
Removal and Installation .......................................210
FRONT OIL SEAL ............................................211
Removal and Installation .......................................211
CARRIER COVER .......................................... ..214
Removal and Installation .......................................214
REMOVAL AND INSTALLA TION .............215
FRONT FINAL DRIVE .................................... ..215
Removal and Installation .......................................215
DISASSEMBLY AND ASSEMBLY ...........217
FRONT FINAL DRIVE .................................... ..217
Disassembly and Assembly ................................. .217
SERVICE DATA AND SPECIFICATIONS
(SDS) ........ .................................................
234
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ..
234
General Specification ........................................... .234
Inspection and Adjustment ....................................234
REAR FINAL DRIVE: R230
PRECAUTION ............... ............................
236
PRECAUTIONS .............................................. ..236
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. .
236
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ................................
236
Precaution for Servicing Rear Final Drive .............237
PREPARATION .........................................238
PREPARATION .............................................. ..238
Special Service Tool ............................................ .238
Commercial Service Tool ......................................240
SYMPTOM DIAGNOSIS ...........................242
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ......................... ..
242
NVH Troubleshooting Chart ..................................242
DESCRIPTION ................................................ ..243
Cross-Sectional View ........................................... .243
ON-VEHICLE MAINTENANCE .................244
DIFFERENTIAL GEAR OIL ..............................244
Changing Rear Differential Gear Oil .................... .244
Checking Rear Differential Gear Oil ......................244
ON-VEHICLE REPAIR ..............................245
FRONT OIL SEAL ............................................245
Revision: April 20092010 QX56

DLN-208
< SYMPTOM DIAGNOSIS >[FRONT FINAL DRIVE: M205]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000005148915
Use the chart below to help you find the cause of the sy mptom. If necessary, repair or replace these parts.
×: ApplicableReference page
DLN-217, "
Disassembly and Assembly
"
DLN-217, "
Disassembly and Assembly
"
DLN-217, "
Disassembly and Assembly
"
DLN-234, "
Inspection and Adjustment
"
DLN-217, "
Disassembly and Assembly
"
DLN-209, "
Checking Front Differential Gear Oil
"
DLN-184, "
NVH Troubleshooting Chart
"
FA X - 5 , "
NVH Troubleshooting Chart
"
FSU-5, "
NVH Troubleshooting Chart
"
WT-43, "
NVH Troubleshooting Chart
"
WT-43, "
NVH Troubleshooting Chart
"
FA X - 5 , "
NVH Troubleshooting Chart
"
BR-6, "
NVH Troubleshooting Chart
"
ST-12, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Gear tooth rough
Gear contact improper
Tooth surfaces worn
Incorrect backlash
Companion flange excessive runout
Gear oil improper
PROPELLER SHAFT
FRONT AXLE
FRONT SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom
Noise××××××××××××××
Revision: April 20092010 QX56

DLN-242
< SYMPTOM DIAGNOSIS >[REAR FINAL DRIVE: R230]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000005148928
Use the chart below to help you find the cause of the sy mptom. If necessary, repair or replace these parts.
×: ApplicableReference page
DLN-253, "
Disassembly and Assembly
"
DLN-253, "
Disassembly and Assembly
"
DLN-253, "
Disassembly and Assembly
"
DLN-270, "
Inspection and Adjustment
"
DLN-270, "
Inspection and Adjustment
"
MA-13, "
Fluids and Lubricants
"
DLN-194, "
NVH Troubleshooting Chart
"
RAX-5, "
NVH Troubleshooting Chart
"
RSU-5, "
NVH Troubleshooting Chart
"
WT-43, "
NVH Troubleshooting Chart
"
WT-43, "
NVH Troubleshooting Chart
"
RAX-5, "
NVH Troubleshooting Chart
"
BR-6, "
NVH Troubleshooting Chart
"
ST-12, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Gear tooth rough
Gear contact improper
Tooth surfaces worn
Backlash incorrect
Companion flange excessive runout
Gear oil improper
PROPELLER SHAFT
REAR AXLE
REAR SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom
Noise××××××× ××××××
Revision: April 20092010 QX56

INSPECTION AND ADJUSTMENTEC-13
< BASIC INSPECTION > [VK56DE]
C
D
E
F
G H
I
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M A
EC
NP
O
INSPECTION AND ADJUSTMENT
Basic InspectionINFOID:0000000005149055
1.INSPECTION START
1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.
2. Open engine hood and check the following:
- Harness connectors for improper connections
- Wiring harness for improper connections, pinches and cut
- Vacuum hoses for splits, kinks and improper connections
- Hoses and ducts for leaks
- Air cleaner clogging
- Gasket
3. Confirm that electrical or mechanical loads are not applied.
- Headlamp switch is OFF.
- Air conditioner switch is OFF.
- Rear window defogger switch is OFF.
- Steering wheel is in the straight-ahead position, etc.
4. Start engine and warm it up until engine coolant temperature indicator points the middle of gauge.
Ensure engine stays below 1,000 rpm.
5. Run engine at about 2,000 rpm for about 2 minutes under no load.
6. Make sure that no DTC is displayed with CONSULT-III or GST.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.REPAIR OR REPLACE
Repair or replace components as necessary according to corresponding Diagnostic Procedure.
>> GO TO 3.
3.CHECK TARGET IDLE SPEED
With CONSULT-III
1. Run engine at about 2,000 rpm for about 2 minutes under no load.
SEF983U
SEF976U
SEF977U
Revision: April 20092010 QX56