relay INFINITI QX56 2010 Factory Service Manual

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ELECTRICAL & POWER CONTROL
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SECTION PG
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CONTENTS
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
PRECAUTION .......
........................................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Precaution for Power Generation Variable Voltage
Control System ..........................................................
3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
BASIC INSPECTION ....................................5
BATTERY ....................................................... .....5
How to Handle Battery ........................................ ......5
Work Flow ........................................................... ......7
INSPECTION AND ADJUSTMENT .....................8
ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL ............................... ......
8
ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Special Re-
pair Requirement ................................................. ......
8
COMPONENT DIAGNOSIS ..........................9
POWER SUPPLY ROUTING CIRCUIT .......... .....9
Wiring Diagram — Battery Power Supply — ....... ......9
Wiring Diagram — Accessory Power Supply — .....18
Wiring Diagram — Ignition Power Supply — ..........22
Fuse ........................................................................30
Fusible Link .............................................................30
GROUND ...........................................................31
Ground Distribution .............................................. ....31
HARNESS .........................................................41
Harness Layout ................................................... ....41
ELECTRICAL UNITS LOCATION ....................61
Electrical Units Location ..........................................61
HARNESS CONNECTOR .................................64
Description ...............................................................64
STANDARDIZED RELAY .................................67
Description ...............................................................67
FUSE BLOCK - JUNCTION BOX (J/B) ............69
Terminal Arrangement .............................................69
FUSE, FUSIBLE LINK AND RELAY BOX ........70
Terminal Arrangement .............................................70
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................
72
IPDM E/R Terminal Arrangement - Type A .............72
IPDM E/R Terminal Arrangement - Type B .............73
ON-VEHICLE REPAIR .................................74
BATTERY ..........................................................74
Removal and Installation ..................................... ....74
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
75
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
75
Battery ................................................................. ....75
Revision: April 20092010 QX56

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HARNESSPG-43
< COMPONENT DIAGNOSIS >
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A3 M6 W/10 : To E10
G4 M84 W/16 : To B101
A2 M7 B/5 : Passenger select unlock relay B2 M85 W/3 : Tilt motor
A3 M8 W/16 : To D2 B2 M86 W/2 : Tilt motor
A2 M9 BR/24 : To D1 B3 M87 B/5 : Rear power vent window relay (open)
A3 M10 Y/4 : To E29 B3 M89 B/5 : Rear power vent window relay (close)
A3 M11 B/1 : Parking brake switch A3 M91 W/16 : To E26
C3 M12 GR/6 : Key switch and ignition knob switch A2 M92 GR/6 : Power liftgate switch
D3 M13 BR/2 : Front passenger air bag OFF indicator D1 M93 W/24 : Display unit
A1 M14 B/2 : Diode-3 A2 M95 W/6 : Rear power vent window switch
B3 M15 W/4 : Steering lock solenoid A2 M96 BR/6 : Pedal adjusting switch
A2 M16 GR/6 : ADP steering switch C2 M98 W/16 : A/C and AV switch assembly
B2 M17 W/8 : Steering angle sensor C3 M99 BR/2 : Foot lamp LH
C2 M18 W/40 : BCM (body control module) F4 M100 BR/2 : Foot lamp RH
C2 M19 W/15 : BCM (body control module) E3 M104 W/4 : Aux jack
C2 M20 B/15 : BCM (body control module) F2 M105 Y/2 : Front passenger air bag module
C3 M21 W/4 : NATS antenna AMP. F2 M106 O/2 : Front passenger air bag module
C3 M22 W/16 : Data link connector F3 M107 B/5 : Front blower relay
B1 M23 W/12 : Combination meter D5 M108 B/6 : Yaw rate/ side/ decel G sensor
C1 M24 W/40 : Combination meter A1 M109 BR/2 : Front tweeter LH
F2 M25 B/4 : Remote keyless entry receiver D2 M110 BR/2 : Center speaker
B2 M26 W/6 : Ignition switch F2 M111 BR/2 : Front tweeter RH
B2 M28 W/16 : Combination switch C2 M112 BR/14 : BOSE speaker amp.
B2 M29 Y/6 : Combination switch C2 M113 BR/23 : BOSE speaker amp.
B3 M30 GR/8 : Combination switch A2 M116 GR/8 : Sonar system OFF switch
G4 M31 SMJ : To E152 B1 M118 B/2 : Front sonar buzzer
C3 M32 W/4 : In-vehicle sensor F2 M120 W/4 : Remote keyless entry receiver
B3 M33 W/32 : Automatic drive positioner control unit F4 M122 W/4 : Variable blower control (front)
B3 M34 W/16 : Automatic drive positioner control unit C3 M123 W/2 : Tire pressure warning check connector
C5 M35 Y/28 : Air bag diagnosis sensor unit D2 M139 B/2 : Diode-1
G4 M36 SMJ : To B149 D1 M140 B/2 : Diode-2
G3 M37 B/1 : Fuse block (J/B) C2 M141 GR/8 : 4WD shift switch
G3 M38 B/2 : Fuse block (J/B) E1 M142 B/6 : Mode door motor (front)
G3 M39 W/8 : Fuse block (J/B) E3 M143 B/6 : Air mix door motor (passenger)
A3 M40 SMJ : To B69 C1 M144 B/6 : Defroster door motor
D2 M42 W/20 : AV control unit E3 M146 GR/2 : Intake sensor
D2 M43 W/12 : AV control unit D3 M147B/6 : Air mix door motor (driver)
D2 M44 W/32 : AV control unit A3 M148 W/4 : Headlamp aiming switch
D2 M45 W/40 : AV control unit E3 M149 W/4 : Clock
B1 M47 B/2 : Sonar buzzer B1 M150 W/2 : Ignition keyhole illumination
D2 M49 B/26 : A/C auto amp. A3 M158 W/10 : To D3
D2 M50 L/26 : A/C auto amp. Console sub-harness
B3 M51 L/4 : Trailer tow relay 1 D4 M201 W/16 : To M56
B2 M52 W/2 : Combination switch D4 M202 BR/24 : To M64
D3 M53 B/3 : Front power socket LH D4 M203 W/12 : A/T shift selector
E3 M54 B/3 : Front power socket RH D5 M205 W/32 : DVD player
Revision: April 20092010 QX56

PG-44
< COMPONENT DIAGNOSIS >
HARNESS
D2 M55 W/4 : Hazard switchD5 M207 B/3 : Console power socket
D4 M56 W/16 : To M201 C4 M208 BR/20 : To M69
A3 M57 — : Body ground C5 M209 W/2 : Center console area antenna (rear)
F2 M58 B/6 : Intake door motor C4 M210 GR/2 : Center console area antenna (front)
F3 M59 BR/2 : Glove box lamp C4 M212 W/6 : Rear heated seat switch LH
G3 M60 W/6 : Fuse block (J/B) C4 M213 BR/6 : Rear heated seat switch RH
C3 M61 — : Body ground Console switch sub-harness
F4 M62 B/2 : Front blower motor D4 M251 BR/20 : To M63
D4 M63 BR/20 : To M251 D4 M252 BR/6 : Front heated seat switch RH
D4 M64 BR/24 : To M202 C4 M253 GR/6 : VDC OFF switch
F2 M65 W/4 : To M301 C3 M255 W/6 : Front heated seat switch LH
G3 M66 B/1 : To E33 C4 M256 B/2 : A/T shift selector
C3 M69 BR/20 : To M208 D4 M258 GR/8 : Tow mode switch
A2 M70 W/40 : Intelligent key unit C4 M260 W/6 : Heated steering wheel switch
A2 M71 L/4 : Heated steering relay Optical sensor sub-harness
D3 M73 BR/6 : Back-up lamp relay F1 M301 W/4 : To M65
G3 M74 BR/20 : To D102 D1 M302 B/4 : Optical sensor
G3 M75 W/10 : To D101
A3 M76 W/6 : Electric brake (pre-wiring)
E2 M77 Y/4 : Front passenger air bag module
(service replacement)
Revision: April 20092010 QX56

PG-46
< COMPONENT DIAGNOSIS >
HARNESS
D4 E6 B/8: Front combination lamp LH (with
daytime light system) C1 E119 W/16: IPDM E/R (intelligent power distribution
module engine room)
C2 E7 GR/2 : Fusible link box (battery) D1 E120 W/6: IPDM E/R (intelligent power distribution
module engine room)
C2 E9 — : Body ground E1 E121 BR/12: IPDM E/R (intelligent power distribution
module engine room)
D4 E11 B/8 : Front combination lamp LH (without
daytime light system) C1 E122 W/12: IPDM E/R (intelligent power distribution
module engine room)
D3 E12 B/5 : Stop lamp relay D1 E123 BR/8: IPDM E/R (intelligent power distribution
module engine room)
B2 E13 W/2 : Hood switch D1 E124 B/6: IPDM E/R (intelligent power distribution
module engine room)
D4 E14 — : Body ground F3 E125 B/47: ABS actuator and electric unit
(control unit)
C2 E15 — : Body ground D4 E126 — : Body ground
C1 E16 B/40 : ECM C2 E130 W/2 : Compressor motor relay
E4 E18 GR/2 : Front wheel sensor LH C3 E131 W/2 : Compressor motor relay
D1 E19 W/16 : To F33 D1 E134 GR/6 : ICC brake hold relay
E3 E21 GR/2 : Brake fluid level switch C2 E135 GR/2 : Transfer dropping resistor
E2 E23 GR/6 : Front wiper motor C1 E140 BR/6 : Trailer tow relay 2
D4 E24 — : Body ground B2 E153 W/2 : Transfer motor relay
F3 E25 BR/3 : Intelligent key warning buzzer B2 E154 W/2 : Transfer motor relay
C3 E27 BR/2 : Fusible link box (battery )D3 E156 L/4 : Trailer turn relay LH
C2 E30 /1 : Fusible link box (battery) D3 E157 L/4 : Trailer turn relay RH
E3 E31 B/3 : Front pressure sensor D5 E158 B/3 : Front sonar sensor LH outer
E3 E32 B/3 : Rear pressure sensor D5 E159 GR/3 : To E164
E1 E39 W/2 : To F34 B4 E160 GR/3 : To E165
D3 E40 B/3 : To E201 C3 E161 B/3 : Battery current sensor
D3 E41 SMJ : To C1 B4 E162 B/3 : Front sonar sensor LH inner
A4 E42 B/6 : ICC sensor C5 E163 B/3 : Front sonar sensor RH inner
E1 E46 B/5 : Transfer shift high relay D5 E164 GR/3 : To E159
D2 E47 B/5 : Transfer shift low relay A4 E165 GR/3 : To E160
C4 E48 B/3 : Refrigerant pressure sensor A3 E166 B/3 : Front sonar sensor RH outer
E3 E49 B/6 : Active booster Engine room sub-harness
D1 E69 L/4 : Transfer shut off relay D3 E201 B/3 : To E40
D5 E101 B/3 : Front turn/fog lamp LH C1 E202 /1 : Fusible link box (battery)
A4 E102 B/3 : Front turn/fog lamp RH C2 E203 — : Engine ground
C3 E103 B/5 : Daytime light relay C3 E204 /1 : Generator
D4 E105 BR/2 : Front and rear washer motor C3 E205 B/3 : Generator
E4 E106 BR/2 : Washer fluid level switch C3 E206 /1 : Generator
B3 E107 B/8 : Front combination lamp RH (without
daytime light system)
A3 E108 B/6 : Front combination lamp RH (with
daytime light system)
Revision: April 20092010 QX56

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STANDARDIZED RELAYPG-67
< COMPONENT DIAGNOSIS >
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STANDARDIZED RELAY
DescriptionINFOID:0000000005146585
NORMAL OPEN, NORMAL CLOS
ED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.
TYPE OF STANDARDIZED RELAYS
SEL881H
1M ···················· 1 Make 2M ···················· 2 Make
1T ···················· 1 Transfer 1M·1B ···················· 1 Make 1 Break
SEL882H
Revision: April 20092010 QX56

PG-68
< COMPONENT DIAGNOSIS >
STANDARDIZED RELAY
SEL188W
Revision: April 20092010 QX56

PG-70
< COMPONENT DIAGNOSIS >
FUSE, FUSIBLE LINK AND RELAY BOX
FUSE, FUSIBLE LINK AND RELAY BOX
Terminal ArrangementINFOID:0000000005146587
FUSE AND FUSIBLE LINK BOX
ABMIA0136GB
Revision: April 20092010 QX56

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FUSE, FUSIBLE LINK AND RELAY BOXPG-71
< COMPONENT DIAGNOSIS >
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FUSE AND RELAY BOX
ABMIA1208GB
Revision: April 20092010 QX56

PWC-2
PASSENGER SIDE : Description ...........................25
PASSENGER SIDE : Compo nent Function Check
...
25
PASSENGER SIDE : Diagnosis Procedure ........ ...25
REAR LH ................................................................ ...28
REAR LH : Description ...........................................28
REAR LH : Component Function Check ................28
REAR LH : Diagnosis Procedure ............................28
REAR RH ............................................................... ...30
REAR RH : Description ..........................................31
REAR RH : Component Function Check ................31
REAR RH : Diagnosis Procedure ...........................31
DOOR SWITCH .................................................34
Description ..............................................................34
Component Function Check ...................................34
Diagnosis Procedure ..............................................34
Component Inspection ............................................35
DOOR KEY CYLINDER SWITCH ......................36
Description ........................................................... ...36
Component Function Check ...................................36
Diagnosis Procedure ..............................................36
Component Inspection ............................................37
POWER WINDOW SERIAL LINK .....................39
POWER WINDOW MAIN SWITCH ........................ ...39
POWER WINDOW MAIN SWITCH : Description ...39
POWER WINDOW MAIN SWITCH : Component
Function Check .......................................................
39
POWER WINDOW MAIN SWITCH : Diagnosis
Procedure ...............................................................
39
FRONT POWER WINDOW SWITCH ..................... ...40
FRONT POWER WINDOW SWITCH : Descrip-
tion ..........................................................................
40
FRONT POWER WINDOW SWITCH : Compo-
nent Function Check ...............................................
40
FRONT POWER WINDOW SWITCH : Diagnosis
Procedure ...............................................................
41
REAR POWER WINDOW SWITCH ....................... ...42
REAR POWER WINDOW SWITCH : Power Win-
dow Serial Link Check Rear LH or RH ...................
42
POWER WINDOW LOCK SWITCH ...................43
Description ........................................................... ...43
Component Function Check ...................................43
REAR POWER VENT WINDOW SWITCH
CIRCUIT CHECK ...............................................
44
Description ........................................................... ...44
Diagnosis Procedure ..............................................44
REAR POWER VENT WINDOW MOTOR LH
CIRCUIT CHECK ...............................................
45
Description ........................................................... ...45
Diagnosis Procedure ..............................................45
REAR POWER VENT WINDOW MOTOR RH
CIRCUIT CHECK ...............................................
46
Description ........................................................... ...46
Diagnosis Procedure ...............................................46
REAR POWER VENT WINDOW RELAY
(OPEN) CHECK .................................................
47
Description ........................................................... ...47
Diagnosis Procedure ...............................................47
REAR POWER VENT WINDOW RELAY
(CLOSE) CHECK ...............................................
49
Description ........................................................... ...49
Diagnosis Procedure ...............................................49
ECU DIAGNOSIS .......................................51
POWER WINDOW MAIN SWITCH ................ ...51
Reference Value .................................................. ...51
Wiring Diagram .......................................................53
Fail Safe .................................................................64
FRONT POWER WINDOW SWITCH ................66
Reference Value .................................................. ...66
Wiring Diagram .......................................................68
Fail Safe .................................................................79
BCM (BODY CONTROL MODULE) ..................81
Reference Value .................................................. ...81
Terminal Layout ......................................................84
Physical Values .......................................................84
Wiring Diagram .......................................................90
Fail Safe .................................................................94
DTC Inspection Priority Chart ...............................95
DTC Index ..............................................................95
SYMPTOM DIAGNOSIS ............................97
NONE OF THE POWER WINDOWS CAN BE
OPERATED USING ANY SWITCH ................ ...
97
Diagnosis Procedure ............................................ ...97
DRIVER SIDE POWER WINDOW ALONE
DOES NOT OPERATE ......................................
98
Diagnosis Procedure ............................................ ...98
FRONT PASSENGER SIDE POWER WIN-
DOW ALONE DOES NOT OPERATE ...............
99
Diagnosis Procedure ............................................ ...99
REAR LH SIDE POWER WINDOW ALONE
DOES NOT OPERATE .....................................
100
Diagnosis Procedure ............................................ .100
REAR RH SIDE POWER WINDOW ALONE
DOES NOT OPERATE .....................................
101
Diagnosis Procedure ............................................ .101
ANTI-PINCH SYSTEM DOES NOT OPERATE
NORMALLY (DRIVER SIDE) ...........................
102
Diagnosis Procedure ............................................ .102
Revision: April 20092010 QX56

PWC-8
< FUNCTION DIAGNOSIS >
POWER WINDOW SYSTEM
Component Parts Location
INFOID:0000000005147167
Component DescriptionINFOID:0000000005147168
POWER WINDOW ANTI-PINCH SYSTEM
LIIA2715E
1. A. Steering column B. BCM M18, M19, M20 (view with
instrument panel removed) 2. A. Main power window and door
lock/unlock switch D7, D8
Power window and door lock/unlock
switch RH D105
B. Front door switch LH B8, RH B108
C. Front power win dow motor LH D9,
RH D104
D. Front door lock assembly LH (key
cylinder switch) D14 3. A. Rear power window switch LH
D203, RH D303
Rear power window control unit LH
D209, RH D309
B. Rear power window motor LH
D204, RH D304
4. A. Rear power vent window relay (CLOSE) M89
B. Rear power vent window relay
(OPEN) M87 5. Rear power vent window switch M95 6. A. Rear power vent window motor
LH B52, RH B150
B. Condenser-3 B119
Condenser-4 B120
Component Function
BCM • Supplies power supply to power window switch.
• Controls retained power.
Main power window and door lock/un-
lock switch • Directly controls all power window motor of all doors.
• Controls anti-pinch operation of front power window LH.
Power window and door lock/unlock
switch RH • Controls front power window motor RH.
• Controls anti-pinch operation of front power window RH.
Rear power window switch • Controls rear power window control units LH and RH.
Rear power window control unit • Controls rear power window motors LH and RH.
• Controls anti-pinch operation of rear power window LH/RH.
Revision: April 20092010 QX56