200 INFINITI QX56 2009 Factory Service Manual

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HARNESSPG-63
< COMPONENT DIAGNOSIS >
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F2 D406 B/1 : Rear window defogger
D2 D705 GR/2 : Back-up lamp LH
Back door LH harness C4 D706 W/4 : Back door and glass hatch switch assembly
G3 D501 W/18 : To D405 D2 D707 B/1 : Glass hatch ajar switch
E4 D503 W/8 : Back door latch B4 D709 GR/8 : Back-up lamp RH
E4 D504 W/4 : Rear view camera B4 D711 W/4 : Glass hatch lock actuator
F4 D514 BR/2 : Back door warning chime B4 D715 BR/2 : Pinch strip RH
F4 D517 BR/2 : Pinch strip LH B4 D716 BR/2 : Back door speaker RH
F4 D518 BR/2 : Back door speaker LH
Back door No. 2 RH harness
C2 D601 W/6 : To B140
C2 D602 W/16 : To B139
D2 D603 — : Body ground
B2 D604 B/1 : Rear window defogger
A3 D605 W/6 : To D702
B3 D606 W/16 : To D701
Revision: December 20092009 QX56

PG-64
< COMPONENT DIAGNOSIS >
ELECTRICAL UNITS LOCATION
ELECTRICAL UNITS LOCATION
Electrical Units LocationINFOID:0000000003776572
ENGINE COMPARTMENT
ABMIA0164GB
Revision: December 20092009 QX56

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ELECTRICAL UNITS LOCATIONPG-65
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PASSENGER COMPARTMENT
ABMIA0165GB
Revision: December 20092009 QX56

PG-66
< COMPONENT DIAGNOSIS >
ELECTRICAL UNITS LOCATION
ABMIA0135GB
Revision: December 20092009 QX56

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HARNESS CONNECTORPG-67
< COMPONENT DIAGNOSIS >
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HARNESS CONNECTOR
DescriptionINFOID:0000000003776573
HARNESS CONNECTOR (TAB-LOCKING TYPE)
• The tab-locking type connectors help prevent accidental looseness or disconnection.
• The tab-locking type connectors are disconnected by pushi
ng or lifting the locking tab(s). Refer to the figure
below.
Refer to the next page for description of the slide-locking type connector.
CAUTION:
Do not pull the harness or wires when disconnecting the connector.
[Example]
HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
• A new style slide-locking type connector is used on certain systems and components, especially those related to OBD.
• The slide-locking type connectors help prevent incomplete locking and accidental looseness or disconnec- tion.
SEL769DA
Revision: December 20092009 QX56

PG-68
< COMPONENT DIAGNOSIS >
HARNESS CONNECTOR
• The slide-locking type connectors are disconnected by pushing or pulling the slider. Refer to the figure
below.
CAUTION:
• Do not pull the harness or wires when disconnecting the connector.
• Be careful not to damage the connector su pport bracket when disconnecting the connector.
[Example]
HARNESS CONNECTOR (LEVER LOCKING TYPE)
• Lever locking type harness connectors are used on certain control units and control modules such as ECM, ABS actuator and electric unit (control unit), etc.
• Lever locking type harness connectors are also used on super multiple junction (SMJ) connectors.
• Always confirm the lever is fully locked in place by moving the lever as far as it will go to ensure full connec-
tion.
CAUTION:
SEL769V
Revision: December 20092009 QX56

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HARNESS CONNECTORPG-69
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• Always confirm the lever is full
y released (loosened) before attempting to disconnect or connect
these connectors to avoid damage to the connector housing or terminals.
HARNESS CONNECTOR (DIRECT-CONNECT SRS COMPONENT TYPE)
• SRS direct-connect type harness connectors are used on certain SRS components such as air bag modules
and seat belt pre-tensioners.
• Always pull up to release black locking tab prior to removing connector from SRS components.
• Always push down to lock black locking tab afte4r installing connector to SRS components.n When locked, the black locking tab is level with the connector housing.
CAUTION:
• Do not pull the harness or wir es when removing connectors
from SRS components.
1. Control unit with single lever 2. Control unit with dual lever 3. SMJ connector
A. Fasten A. FastenA. Fasten
B.Loosen B.LoosenB.Loosen
C.Lever C.Lever C.Lever
LKIA0670E
WHIA0103E
Revision: December 20092009 QX56

PG-70
< COMPONENT DIAGNOSIS >
STANDARDIZED RELAY
STANDARDIZED RELAY
DescriptionINFOID:0000000003776574
NORMAL OPEN, NORMAL CLOSED 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: December 20092009 QX56

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STANDARDIZED RELAYPG-71
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SEL188W
Revision: December 20092009 QX56

PG-72
< COMPONENT DIAGNOSIS >
FUSE BLOCK - JUNCTION BOX (J/B)
FUSE BLOCK - JUNCTION BOX (J/B)
Terminal ArrangementINFOID:0000000003776575
AWMIA0898GB
Revision: December 20092009 QX56