2006 INFINITI QX56 fuses

TURN SIGNAL AND HAZARD WARNING LAMPSLT-89
C
DE
F
G H
I
J
L
M A
B
LT
Revision: November 2009 2006 QX56
Preliminary CheckEKS00B9V
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES OR FUSIBLE LINK
Check for blown fuses or fusible link.
Refer to LT- 8 4 , "
Wiring Diagram — TURN —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connectors.
2. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between BCM and fuse or fus- ible link.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> Inspection End.
NG >> Check ground circuit harness.
Unit Power sourceFuse and fusible link No.
BCM Battery
f
Ignition switch ON or START position 59
BCMIgnition switch position
(+) (– )OFFACCON
Connector Terminal
M18 38 Ground0V 0V
Battery
voltage
M20 70 Battery
voltage Battery
voltage Battery
voltage
WKIA1436E
BCM Continuity
Connector Terminal
M20 67Ground Yes
LIIA0915E

LT-118
PARKING, LICENSE PLATE AND TAIL LAMPS
Revision: November 20092006 QX56
Terminals and Reference Values for IPDM E/REKS00BAQ
How to Proceed With Trouble DiagnosisEKS00BAR
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 111 , "
System Description" .
3. Carry out the Preliminary Check. Refer to LT- 11 8 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Do the parking, license and tail lamps operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. Inspection End.
Preliminary CheckEKS00BAS
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES OR FUSIBLE LINK
Check for blown fuses or fusible link.
Refer to LT- 11 4 , "
Wiring Diagram — TAIL/L —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
35 O/B Combination switch output 2
ONLighting, turn, wiper OFF
Wiper dial position 4
36 R/W Combination switch output 1
38 W/L Ignition switch (ON) ON— Battery voltage
39 L CAN-H ———
40 P CAN-L ———
67 B Ground ON— 0V
70 W/B Battery power supply (fusible link) OFF —Battery voltage
Terminal
No. Wire
color Signal name Measuring condition
Reference value
(Approx.)
Ignition
switch Operation or condition
SKIA5292E
Te r m i n a l
No. Wire
color Signal name Measuring condition
Reference value
(Approx.)
Ignition
switch Operation or condition
38 B Ground ON— 0V
39 L CAN-H —— —
40 P CAN-L —— —
57 R/L Parking, license, and tail
lamp ON
Lighting switch
1ST position OFF
0V
ON Battery voltage
59 B Ground ON— 0V
Unit Power sourceFuse and fusible link No.
BCM Battery
f
Ignition switch ON or START position 59
IPDM E/R Battery
53
Battery (Tail lamps ON) 37

LT-148
INTERIOR ROOM LAMP
Revision: November 20092006 QX56
How to Proceed With Trouble DiagnosisEKS00BBA
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 1 3 5 , "
System Description" .
3. Carry out the Preliminary Check. Refer to LT- 1 4 8 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the interior room lamp operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. Inspection End.
Preliminary CheckEKS00BBB
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES OR FUSIBLE LINK
Check for blown BCM fuses or fusible link.
Refer to LT- 1 4 0 , "
Wiring Diagram — INT/L —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connectors.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between BCM and fuse or fusible link.
3. CHECK GROUND CIRCUIT
Check continuity between BCM and ground.
OK or NG
OK >> Inspection End.
NG >> Check harness ground circuit.
Unit Power sourceFuse and fusible link No.
BCM Battery f
22
Ignition switch ON or START position 59
TerminalsIgnition switch position
(+) (– )O FF O N
Connector Terminal
M20 57
Ground Battery voltage Battery voltage
70 Battery voltage Battery voltage
M18 38 0V Battery voltage
WKIA1478E
Terminals
Continuity
Connector Terminal
M20 67Ground Yes
LIIA0915E

PG-28
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: November 20092006 QX56
IPDM E/R Power/Ground Circuit InspectionEKS00BN9
1. FUSE AND FUSIBLE LINK INSPECTION
Check that the following fusible links or IPDM E/R fuses are not blown.
OK or NG
OK >> GO TO 2.
NG >> Replace fuse or fusible link.
2. POWER CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connector E118.
2. Check voltage between IPDM E/R harness connector E118 terminals 1, 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace IPDM E/R power circuit harness.
3. GROUND CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connectors E122 and E124.
2. Check continuity between IPDM E/R harness connector E122 terminal 38, and E124 terminal 59 and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace IPDM E/R ground circuit harness.
Terminal No. Signal nameFuse, fusible link No.
1, 2 Battery power a, c, d
Battery voltage should exist.
SKIA1987E
Continuity should exist.
WKIA1453E

RSU-24
TROUBLE DIAGNOSES FOR SYMPTOMS
Revision: November 20092006 QX56
TROUBLE DIAGNOSES FOR SYMPTOMSPFP:99999
Load Leveling Rear Air Suspension System Does Not OperateEES001HD
1. CHECK WARNING LAMP ACTIVATION
Make sure warning lamp remains off while driving.
OK or NG
OK >> GO TO 2.
NG >> Carry out self-diagnosis. Refer to RSU-14, "
SELF-DIAGNOSIS" .
2. CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
OK or NG
OK >> GO TO 3.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
3. CHECK SUSPENSION CONTROL UNIT POWER AND GROUND
1. Turn the ignition switch ON.
2. Check voltage between suspension control unit connector B3 terminal 6 and ground and between suspension control unit con-
nector B3 terminal 7 and ground.
3. Turn the ignition switch OFF.
4. Check continuity between suspension control unit connector B3 terminal 16 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
Unit Terminals Signal nameFuse and fusible link No.
Suspension control unit 6
Ignition switch ON or START 12 (10A)
7 Battery power 29 (10A)
Compressor motor relay 5 g (30A)
Combination meter 24
Ignition switch ON or START 14 (10A)
8 Battery power 19 (10A)
Voltage: Approx. 12V
WEIA0069E
16 - Ground Continuity should exist.
WEIA0070E

AUTOMATIC DRIVE POSITIONERSE-31
C
DE
F
G H
J
K L
M A
B
SE
Revision: November 2009 2006 QX56
Preliminary CheckEIS004XN
SETTING CHANGE FUNCTION
The settings of the automatic driving positioner system can be changed, using CONSULT-II and the display in
the center of the instrument panel.
×: Applicable –: Not applicable
It is possible to set sliding front seat for entry/exit of vehicle by pressing set switch.
*: Setting of sliding front seat for entry/exit of vehicle is ON at factory-shipment. But if custom settings are reset, setting turns OFF.
NOTE:
After the setting is registered, the new setting is effective, even if the battery is disconnected.
POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1. CHECK BCM FUSES AND FUSIBLE LINK
Check if any of the following fuses for the BCM are blown.
NOTE:
Refer to SE-11, "
Component Parts And Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
65, "ELECTRICAL UNITS LOCATION" .
Setting item ContentCONSULT
–II
(WORK SUPPORT) Display unitDefault
setting Factory
setting
SEAT SLIDE
VOLUME SET The distance at exiting opera-
tion can be selected from the
following 3 modes. 40mm
—××
80mm ——
150mm ——
Sliding Front Seat and
Steering Wheel Raise
When Entry/ Exiting
Vehicle The seat sliding and steering
wheel raise turnout and return
at entry/exit can be selected:
ON (operated)
–OFF (not
operated) ON
ON: Indicator lamp ON —×
OFF OFF: Indicator lamp OFF ×—
Reset custom settings* All settings to default. —Default: Setting button
ON ——
Content
Setting change operation Indicator LEDs
The seat sliding and steering
wheel raise turnout and return
at entry/exit can be operated. Press the set switch for more than 10 seconds Blinking twice
The seat sliding and steering
wheel raise turnout and return
at entry/exit can be not oper-
ated. Blinking once
Unit
Power source Fuse No.
BCM Battery power supply
f (50A)
ON or START power supply 59 (10A)
ACC or ON power supply 4 (10A)

SE-32
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
2. CHECK BCM POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK BCM GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> BCM circuit is OK. Check the driver seat control unit. GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT FUSES AND FUSIBLE LINK
Make sure any of the following fuses in the driver seat control unit and automatic drive positioner control unit
are not blown.
NOTE:
Refer to SE-11, "
Component Parts And Harness Connector Location" .
OK or NG
OK >> GO TO 5.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
65, "ELECTRICAL UNITS LOCATION" .
Connector Te r m i n a l s
Power
source Condition Voltage (V)
(Approx.)
(+) (-)
M20 70 Ground Battery
power
supply Ignition
switch
OFF Battery voltage
M18 38 Ground
Ignition
power
supply Ignition
switchON or
START Battery voltage
11 Ground ACC or
ON
power
supply Ignition
switch
ACC or
ON Battery voltage
LIIA0995E
67 - Ground
: Continuity should exist.
LIIA0915E
Unit Power source Fuse No.
Driver seat control unit START power supply2 (10A)
Driver seat control unit and automatic
drive positionercontrol unit Battery power supply
22 (15A)
Battery power supply f (50A)

TROUBLE DIAGNOSIS FOR SYSTEMTF-55
CE F
G H
I
J
K L
M A
B
TF
Revision: November 2009 2006 QX56
DIAGNOSTIC PROCEDURE
1. CHECK POWER SUPPLY
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Connect transfer control unit harness connector.
3. Check voltage between transfer control unit harness connector terminals and ground.
4. Turn ignition switch “ON”. (Do not start engine.)
5. Check voltage between transfer control unit harness connector terminals and ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following. If any items are damaged, repair or replace damaged parts.

10A fuses No. 26 located in fuse and fusible link box and No. 59 located in the fuse and relay
box. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .

20A fuse No. 53 located in the IPDM E/R. Refer to PG-4, "POWER SUPPLY ROUTING CIR-
CUIT" .

Harness for short or open between battery and transfer control unit harness connector termi-
nals 47.

Harness for short or open between battery and transfer control unit harness connector terminal
29.

Harness for short or open between battery and transfer shut off relay harness connector E69
terminal 1, and 3.

Harness for short or open between transfer shut off relay harness connector E69 terminal 2
and transfer control unit harness connector terminal 30.

Harness for short or open between transfer shut off relay harness connector E69 terminal 5
and transfer control unit harness connector terminals 16 and 22.

Battery and ignition switch. Refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" .

Transfer shut off relay. Refer to TF-57, "COMPONENT INSPECTION" .
ConnectorTerminal Voltage (Approx.)
E142 16 - Ground
0V
22 - Ground
E143 29 - Ground
30 - Ground
Battery voltage
47 - Ground
WDIA0165E
Connector Terminal Voltage (Approx.)
E142 16 - Ground
Battery voltage
22 - Ground
E143 29 - Ground
30 - Ground
0V
47 - Ground Battery voltage
WDIA0166E