INFINITI QX56 2008 Factory Service Manual

PG-44
< COMPONENT DIAGNOSIS >
HARNESS
ENGINE ROOM HARNESS
AWMIA0112GB
C4 E1 GR/2 : Ambient sensorE3 E114 B/6 : Delta stroke motor
D3 E2 W/16 : To F32 D1 E116 B/2: IPDM E/R (intelligent power distri-
bution module engine room)
C3 E3 B/2 : Horn D3 E117 GR/2 : Front wheel sensor RH
C3 E4 Y/2 : Crash zone sensor D3 E118 B/2: IPDM E/R (intelligent power distri-
bution module engine room)
Revision: March 2010
2008 QX56

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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 E11 B/8 : Front combination lamp LH (without
daytime running lights) C1 E122 W/12: IPDM E/R (intelligent power distri-
bution module engine room)
D4 E11 B/8 : Front combination lamp LH (with
daytime running lights)
C1 E123 BR/8: IPDM E/R (intelligent power distri-
bution module engine room)
D3 E12 B/5 : Stop lamp relay D1 E124 W/6: IPDM E/R (intelligent power distri-
bution 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 C3 E134 GR/6 : ICC brake hold relay
E3 E21 GR/2 : Brake fluid level switch C2 E135 GR/2 : Transfer dropping resister
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
D3 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 lo w relayA4 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 LH
C5 E113 W/2 : Cooling fan motor
Revision: March 2010 2008 QX56

PG-46
< COMPONENT DIAGNOSIS >
HARNESS
ENGINE ROOM HARNESS (PASSENGER COMPARTMENT)
AAMWA0102GB
A3 E10 W/10 : To M6
C4 E20 B/8 : Accelerator pedal position sensor
C4 E26 W/16 : To M91
B4 E29 Y/4 : To M10
G3 E33 B/1 : To M66
Revision: March 20102008 QX56

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A3 E34 W/24 : To B40
A4 E35 W/12 : To B41
A4 E36 W/2 : To B42
B3 E37 BR/2 : ICC brake switch
B3 E38 W/4 : Stop lamp switch
B3 E109 GR/2 : Pedal adjusting motor
G4 E139 W/8 : To B107
F3 E142 W/24 : Transfer control unit
F3 E143 GR/24 : Transfer control unit
G3 E152 SMJ : To M31
Revision: March 2010
2008 QX56

PG-48
< COMPONENT DIAGNOSIS >
HARNESS
ENGINE CONTROL HARNESS
ALMIA0227GB
D5 F3 B/1 : A/C CompressorF2 F56 B/8 : Transfer terminal cord assembly
D5 F4 GR/1 : Oil pressure switch G1 F57 B/2 : Transfer motor
D2 F5 GR/4 : Air fuel ratio (A/F) sensor 1 (bank2) F2 F58 GR/6 : Transfer control device (actuator, position
switch)
C4 F6 GR/3 : Ignition coil No. 2 (with power
transistor) F2 F59 B/2 : Wait detection switch
Revision: March 2010
2008 QX56

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< COMPONENT DIAGNOSIS >
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C3 F7 GR/3
: Ignition coil No. 4 (with power
transistor) F1 F60 GR/2 : Neutral-4LO switch
C3 F8 GR/3 : Ignition coil No. 6 (with power
transistor)
D5 F61 G/2: Intake valve timing control solenoid valve
(bank 1)
E2 F9 G/10 : A/T assembly D5 F62 G/2: Intake valve timing control position sensor
(bank 1)
C3 F10 — : Engine ground C4 F63 G/2: Intake valve timing control solenoid valve
(bank 2)
D3 F11 B/3 : Crankshaft position sensor (POS) C4 F64 G/2 : Intake valve timing control position sensor
(bank 2)
E1 F12 G/4 : Heated oxygen sensor 2 (bank2) E3 F65 GR/4 : Air fuel ratio (A/F) sensor 1 (bank1)
F2 F13 G/4 : Heated oxygen sensor 2 (bank1) C2 F68 B/2 : Water valve
B2 F14 W/24 : To E5 C3 F101 B/6 : To F26
D4 F15 L/2 : EVAP canister purge volume control
solenoid valve C3 F102 B/2 : Knock sensor (bank 1)
E5 F16 — : Engine ground C3 F103 GR/2 : Engine coolant temperature sensor
C4 F18 GR/2 : Fuel injector No. 2 C3 F104 B/2 : Knock sensor (bank 2)
D4 F20 GR/2 : Fuel injector No. 4
F4 F21 W/2 : Condenser-1
D3 F22 GR/2 : Fuel injector No. 6
D4 F23 B/3 : Camshaft position sensor (phase)
D4 F26 B/6 : To F101
E3 F27 B/1 : Starter motor
D4 F30 GR/2 : Fuel injector No. 1
D3 F31 GR/2 : Fuel injector No. 8
B2 F32 W/16 : To E2
C2 F33 W/16 : To E19
C2 F34 W/2 : To E39
B3 F39 — : Fusible link (battery)
D4 F41 GR/2 : Fuel injector No. 3
D4 F42 GR/2 : Fuel injector No. 5
D3 F45 GR/2 : Fuel injector No. 7
B4 F46 B/3 : Power steering pressure sensor
E4 F47 GR/3 : Ignition coil No. 1 (with power
transistor)
E4 F48 GR/3 : Ignition coil No. 3 (with power
transistor)
E4 F49 GR/3 : Ignition coil No. 5 (with power
transistor)
D4 F50 B/6 : Electric throttle control actuator
E4 F51 GR/3 : Ignition coil No. 7 (with power
transistor)
D2 F52 GR/3 : Ignition coil No. 8 (with power
transistor)
E5 F53 B/6 : Mass air flow sensor
B2 F54 B/81 : ECM
F1 F55 B/2 : ATP switch
Revision: March 2010 2008 QX56

PG-50
< COMPONENT DIAGNOSIS >
HARNESS
CHASSIS HARNESS
AWMIA0113GB
G2 C1 SMJ : To E41
B5 C2 B/7 : Trailer
A3 C3 GR/8 : To C101
C3 C4 GR/3: Evap control system pressure
sensor
D2 C5 GR/5 : Fuel level sensor unit and fuel pump
Revision: March 2010 2008 QX56

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C3 C6 B/2 : Evap canister vent control valve
B4 C7 GR/2 : Rear bumper antenna
C4 C8 B/3 : Height sensor
B4 C9 B/4 : Suspension air compressor
C4 C10 BR/2 : Rear wheel sensor RH
C4 C11 BR/2 : Rear wheel sensor LH
Rear sonar sensor sub-harness
A4 C101 GR/8 : To C3
A3 C102 B/3 : Rear sonar sensor LH outer
B4 C103 B/3 : Rear sonar sensor LH inner
B4 C104 B/3 : Rear sonar sensor RH inner
C5 C105 B/3 : Rear sonar sensor RH outer
Revision: March 2010
2008 QX56

PG-52
< COMPONENT DIAGNOSIS >
HARNESS
BODY HARNESS
AWMIA0114GB
F5 B3 W/16 : Suspension control unit
C4 B6 W/18 : To D201
B4 B7 — : Body ground
C4 B8 W/3 : Front door switch LH
C4 B9 Y/12 : Air bag diagnosis sensor unit
Revision: March 20102008 QX56

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BODY NO. 2 HARNESS
C5 B10 Y/2 : Front LH side air bag module
C5 B13 W/24 : ICC unit
C4 B14 Y/2 : Front LH seat belt pre-tensioner
C5 B15 Y/2 : LH side air bag (satellite) sensor
C5 B17 GR/24 : ICC unit
D4 B18 W/3 : Rear door switch LH
G3 B19 — : Body ground
B4 B32 W/6 : To B124
G5 B35 B/3 : Rear combination lamp LH
B4 B37 W/16 : To B200
A3 B38 Y/2 : LH side front curtain air bag module
A4 B40 W/24 : To E34
A4 B41 W/12 : To E35
A4 B42 W/2 : To E36
B4 B43 W/16 : To B111
G3 B48 W/18 : To D401
F3 B49 W/2 : To D402
F4 B52 W/2 : Rear power vent window motor LH
E4 B54 Y/2 : LH side rear curtain air bag module
F5 B55 W/26 : Back door control unit
F4 B56 GR/16 : Sonar control unit
G4 B63 W/6 : Back door close switch
A4 B69 SMJ : To M40
G4 B70 B/3 : Rear combination lamp LH
B4 B72 BR/6 : Subwoofer
E5 B73 W/16 : Rear view camera control unit
C4 B74 Y/4
: Seat belt buckle pretensioner assembly
LH (seatbelt buckle switch)
F5 B75 W/10 : To B400
F5 B76 GR/2 : Inside key antenna 2 (luggage
compartment)
Revision: March 2010
2008 QX56