wiper fluid INFINITI QX56 2009 Factory Service Manual

CCS-16
< FUNCTION DIAGNOSIS >
INTELLIGENT CRUISE CONTROL SYSTEM
Component Description
INFOID:0000000003776934
× : Applicable
Component Veh ic le-t o-
vehicle
distance
control mode Conventional
(Fixed speed)
cruise
control mode Brake assist
(With preview function) Description
ICC unit ××× Controls vehicle speed through ECM via CAN commu-
nication.
ICC sensor ××× Measures distance to objects in front of the vehicle and
transmits that information to the ICC unit.
ECM ××× Refer to EC-21, "
System Diagram".
ABS actuator and electric
unit (control unit) ×××
Refer to BRC-18, "
System Description".
Brake pressure sensor ×× Detects brake fluid pressure.
Brake booster ×× Adjusts brake fluid pressure based on command from
ABS actuator and electric unit (control unit).
BCM × Transmits front wiper request signal to ICC sensor inte-
grated unit through CAN communication.
TCM ×× Refer to TM-20, "
TCM Function".
Revision: December 20092009 QX56

LAN
CAN COMMUNICATION SYSTEMLAN-45
< FUNCTION DIAGNOSIS > [CAN]
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Engine speed signal
T RRR R R R R R
Engine status signal TR
Fuel consumption monitor signal TR
RT
ICC steering switch signal TR
Malfunction indicator lamp signal T R
Wide open throttle position signal T R
A/T CHECK indicato r lamp signal T R
A/T fluid temperature sensor signal T R
A/T position indicator lamp signal TR RR
A/T self-diagnosis signal R T
Current gear position signal TR R
Input speed signal R TR
Output shaft revolution signal R TR R
P range signal TR R RR
ICC sensor signal T R
Buzzer output signal TR
TR
ICC OD cancel request signal R RT
ICC operation signal R RT
ICC system display signal TR
System setting signal TRT
RTR
A/C switch/indicator signal TR
RT
A/C switch signal RT R
Blower fan motor switch signal RT
Day time running light request signal TR R
Door lock/unlock status signal TR
Door switch signal R R TR R R
Front fog light request signal TR
Front wiper request signal RT R
High beam request signal TR R
Horn chirp signal TR
Ignition switch signal RTR R
Key fob door unlock signal RT
Key fob ID signal RT
Key switch signal RT
Low beam request signal TR
Position light request signal TR R
Rear window defogger switch signal T RR
Sleep wake up signal RT R R
Theft warning horn request signal TR
Signal name/Connecting unit
ECM
TCM
LASER ICC
ADP AV
BCM
HVAC I-KEY M&A
STRG 4WD
ABS
IPDM-E
Revision: December 20092009 QX56

PG
HARNESSPG-47
< COMPONENT DIAGNOSIS >
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C1 E5 W/24 : To F14
C1 E119 W/16: IPDM E/R (intelligent power distri-
bution module engine room)
C2 E7 GR/2 : Fusible link box (battery) D1 E120 W/6: IPDM E/R (intelligent power distri-
bution module engine room)
C2 E9 — : Body ground E1 E121 BR/12: IPDM E/R (intelligent power distri-
bution module engine room)
D4 E6 B/8 : Front combination lamp LH (without
daytime light system) C1 E122 W/12: IPDM E/R (intelligent power distri-
bution module engine room)
B2 E8 W/2 : Hood switch C1 E123 BR/8: IPDM E/R (intelligent power distri-
bution module engine room)
D4 E11 B/8 : Front combination lamp LH (with
daytime light system) D1 E124 B/6
: IPDM E/R (intelligent power distri-
bution module engine room)
D3 E12 B/5 : Stop lamp relay F3 E125 B/47: ABS actuator and electric unit
(control unit)
D4 E14 — : Body ground D4 E126 — : Body ground
C2 E15 — : Body ground C2 E130 W/2 : Compressor motor relay
C1 E16 B/40 : ECM C3 E131 W/2 : Compressor motor relay
E4 E18 GR/2 : Front wheel sensor LH D2 E134 GR/6 : ICC brake hold relay
D1 E19 W/16 : To F33 C2 E135 GR/2 : Transfer dropping resistor
E3 E21 GR/2 : Brake fluid level swit chC1 E140 BR/6 : Trailer tow relay-2
E2 E23 GR/6 : Front wiper motor B2 E153 W/2 : Transfer motor relay
D4 E24 — : Body ground B2 E154 W/2 : Transfer motor relay
F3 E25 BR/3 : Intelligent key warning buzzer D3 E156 L/4 : Trailer turn relay LH
C3 E27 BR/2 : Fusible link box (battery) D3 E157 L/4 : Trailer turn relay RH
C2 E30 /1 : Fusible link box (battery) D5 E158 B/3 : Front sonar sensor LH outer
E3 E31 B/3 : Front pressure sensor D5 E159 GR/3 : To E164
E3 E32 B/3 : Rear pressure sensor B4 E160 GR/3 : To E165
E1 E39 W/2 : To F34 C3 E161 B/3 : Battery current sensor
D3 E40 B/3 : To E201 C5 E162 B/3 : Front sonar sensor LH inner
D3 E41 SMJ : To C1 B4 E163 B/3 : Front sonar sensor RH inner
D2 E42 B/6 : ICC sensor D5 E164 GR/3 : To E159
E1 E46 B/5 : Transfer shift high relay A4 E165 GR/3 : To E160
D2 E47 B/5 : Transfer shift low relay A3 E166 B/3 : Front sonar sensor RH outer
C4 E48 B/3 : Refrigerant pressure sensor Engine room sub-harness
E3 E49 B/6 : Active booster D3 E201 B/3 : To E40
D1 E69 L/4 : Transfer shut off relay C1 E202 /1 : Fusible link box (battery)
D5 E101 B/3 : Front turn-fog lamp LH C2 E203 — : Engine ground
A4 E102 B/3 : Front turn-fog lamp RH C3 E204 /1 : Generator
C3 E103 B/5 : Daytime light relay C3 E205 B/3 : Generator
D4 E105 BR/2 : Front and rear washer motor C3 E206 /1 : Generator
E4 E106 BR/2 : Washer fluid level switch
B3 E107 B/8 : Front combination lamp RH (without
daytime light system)
A3 E108 B/6 : Front combination lamp RH (without
daytime light system)
C5 E113 W/2 : Cooling fan motor
Revision: December 20092009 QX56

WW-2
Wiring Diagram .......................................................61
Fail Safe .................................................................64
SYMPTOM DIAGNOSIS .............................66
WIPER AND WASHER SYSTEM SYMPTOMS
...
66
Symptom Table ................................................... ...66
NORMAL OPERATING CONDITION ................69
Description ........................................................... ...69
FRONT WIPER DOES NOT OPERATE ............70
Description ........................................................... ...70
Diagnosis Procedure ..............................................70
PRECAUTION .............................................72
PRECAUTION ... .............................................. ...72
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. ...
72
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ..................................
72
ON-VEHICLE REPAIR ................................74
FRONT WIPER ARM ...................................... ...74
Front Wiper Arms ................................................ ...74
FRONT WIPER DRIVE ASSEMBLY .................75
Wiper Motor and Linkage ..................................... ...75
FRONT WASHER TUBE ...................................76
Washer Tube Layout ............................................ ...76
FRONT WASHER NOZZLE ..............................77
Washer Nozzle Adjustment .................................. ...77
WASHER TANK ................................................78
Washer Fluid Reservoir ..........................................78
FRONT WASHER PUMP ..................................79
Washer Motor ...................................................... ...79
FRONT WIPER AND WASHER SWITCH .........80
Wiper and Washer Switch .................................... ...80
REAR WIPER AND WASHER SYSTEM ...........81
Rear Wiper Arm ................................................... ...81
Rear Wiper Motor ....................................................81
Rear Washer Nozzle Adjustment ............................82
Rear Washer Tube Layout ......................................83
Rear Washer Nozzle ...............................................83
Rear Wiper and Washer Switch ..............................83
Washer Fluid Reservoir ....................................... ...84
Washer Motor .........................................................84
Revision: December 20092009 QX56

FRONT WIPER AND WASHER SYSTEMWW-7
< FUNCTION DIAGNOSIS >
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Component Parts LocationINFOID:0000000004115468
Component DescriptionINFOID:0000000003776279
1. IPDM E/R E121, E122, E124 2. Air cleaner case 3. Front and rear washer motor E105
4. Washer fluid reservoir 5. Front wiper motor E23
(view with cowl top removed) 6. Combination switch M28
7. BCM M18, M20
ALLIA0841ZZ
Part Description
BCM • Judges each switch status by the combination switch reading function.
• Requests (with CAN communication) the front wiper relay and the front wiper high relay ON to
IPDM E/R.
IPDM E/R • Controls the integrated relay according to the request (with CAN communication) from BCM.
• Performs the auto stop control of the front wiper.
Combination switch
(Wiper and washer
switch) Refer to WW-4, "
System Diagram".
Combination meter Transmits the vehicle speed signal to BCM with CAN communication.
Revision: December 20092009 QX56

WW-10
< FUNCTION DIAGNOSIS >
REAR WIPER AND WASHER SYSTEM
Component Parts Location
INFOID:0000000004115469
Component DescriptionINFOID:0000000003776283
1. Steering column (v iew with instrument
panel removed) 2. BCM M18, M19, M20
3. Rear washer nozzle
4. Rear wiper motor D704 5. Air cleaner case6. Front and rear washer motor connector
E105
7. Washer fluid reservoir 8. Combination switch M28 9. Glass hatch ajar switch D707
ALLIA0842ZZ
Part Description
BCM • Judges each switch status by the combination switch reading function.
• Supplies power to the rear wiper motor.
• Performs the auto stop control of the rear wiper.
Combination switch
(Wiper and washer switch) Refer to BCS-7, "
System Diagram".
Revision: December 20092009 QX56

WW-82
< ON-VEHICLE REPAIR >
REAR WIPER AND WASHER SYSTEM
Removal
1. Remove wiper arm. Refer to WW-81, "Rear Wiper Arm".
2. Remove pivot cap.
3. Remove back door lock assembly. Refer to DLK-244, "
Door Lock Assembly".
4. Disconnect rear wiper motor connector.
5. Remove rear wiper motor bolts, and remove rear wiper motor.
Installation
CAUTION:
Do not drop the wiper motor or cause it to contact other parts.
1. Install rear wiper motor to the vehicle.
2. Connect rear wiper motor connector.
3. Install back door lock assembly. Refer to DLK-244, "
Door Lock Assembly".
4. Install pivot cap.
5. Install wiper arm. Refer to WW-81, "
Rear Wiper Arm".
Rear Washer Nozzle AdjustmentINFOID:0000000003776322
• This vehicle is equipped with a non-adjustable rear washer nozzle.
• If not satisfied with washer fluid spray coverage, c onfirm that the washer nozzle is installed correctly.
• If the washer nozzle is installed correctly, and the washer fluid spray coverage is not satisfactory, replace the
washer nozzle.
WKIA4567E
1. Wiper arm cover 2. Wiper arm and blade 3. Pivot cap
4. Rear wiper motor 5. Wiper arm stop6. Rear wiper arm nut
Revision: December 20092009 QX56

REAR WIPER AND WASHER SYSTEMWW-83
< ON-VEHICLE REPAIR >
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Rear Washer Tube LayoutINFOID:0000000003776323
NOTE:
Connect the check valve (2) to the washer fluid reservoir tube (1) so
that the directional arrow on the check valve (2) points towards the
washer nozzle tube (3).
Rear Washer NozzleINFOID:0000000003776324
REMOVAL AND INSTALLATION
Removal
1. Remove the rear spoiler. Refer to EXT-26, "Removal and Instal-
lation".
2. Release retaining clips, and remove washer nozzle.
Installation
Installation is in the reverse order of removal.
Rear Wiper and Washer SwitchINFOID:0000000003776325
REMOVAL AND INSTALLATION
Refer to WW-80, "Wiper and Washer Switch".
WKIA4566E
1. Rear washer nozzle 2. Washer fluid reservoir3. Check valve
WKIA4242E
LKIA0418E
Revision: December 20092009 QX56

WW-84
< ON-VEHICLE REPAIR >
REAR WIPER AND WASHER SYSTEM
Washer Fluid Reservoir
INFOID:0000000003776326
REMOVAL AND INSTALLATION
Refer to WW-78, "Washer Fluid Reservoir".
Washer MotorINFOID:0000000003776327
REMOVAL AND INSTALLATION
Refer to WW-79, "Washer Motor".
Revision: December 20092009 QX56