fuse INFINITI QX56 2011 Factory Service Manual

LAN
CAN COMMUNICATION CIRCUIT 2LAN-231
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 4)]
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Non-reproduced>>Start the diagnosis again. Follow
the trouble diagnosis procedure when past error is
detected.
6.CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect one of the unit connectors of CAN communication circuit 2. NOTE:
CAN gateway has two termination circuits. Check other units first.
4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom
(Results from interview with customer)” are reproduced.
NOTE:
Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
Revision: 2010 May2011 QX56

LAN
ITS COMMUNICATION CIRCUITLAN-233
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 4)]
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5.CHECK HARNESS CONTINUI
TY (SHORT CIRCUIT)
Check the continuity between the ADAS control unit harness connector and the ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Check the harness and repair the root cause.
6.CHECK TERMINATION CIRCUIT
1. Remove the ADAS control unit and the ICC sensor.
2. Check the resistance between t he ADAS control unit terminals.
3. Check the resistance between the ICC sensor terminals.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace the ADAS control unit and/or the ICC sensor.
7.CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descr ibed in the “Symptom (Results from interview with
customer)” are reproduced.
Inspection result
Reproduced>>GO TO 8.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is
detected.
8.CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect one of the unit connectors of ITS communication circuit.
NOTE:
ADAS control unit and ICC sensor have a termi nation circuit. Check other units first.
4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom
(Results from interview with customer)” are reproduced.
NOTE:
Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
ADAS control unit harness connector
GroundContinuity
Connector No. Terminal No.
B61 7 Not existed
8 Not existed
ADAS control unit
Resistance (Ω)
Te r m i n a l N o .
7 8 Approx. 108 – 132
ICC sensor Resistance (Ω)
Te r m i n a l N o .
3 6 Approx. 108 – 132
Revision: 2010 May2011 QX56

MWI-64
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis ProcedureINFOID:0000000006221743
1.CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check harness between combination meter and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
Power source Fuse No.
Battery 11
Ignition switch ON or START 3
Te r m i n a l s
Ignition switch po-sition Vol tag e
(Approx.)
(+) (
−)
Combination meter
Ground
Connector Terminal
M34 1OFF
Battery voltage
2ON
Combination meter
GroundContinuity
Connector Terminal
M34 3
Existed
23
Revision: 2010 May2011 QX56

PARKING BRAKE CONTROLPB-5
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
PARKING BRAKE CONTROL
Exploded ViewINFOID:0000000006222512
Removal and InstallationINFOID:0000000006222513
REMOVAL
1. Remove rear tires with power tool.
2. Remove instrument lower panel LH. Refer to IP-14, "
Removal and Installation".
3. Hang fuse block (J/B) not to interfere with work.
4. Disconnect parking brake switch harness connector.
5. Remove adjusting nut and loosen front cable.
6. Remove parking brake pedal assembly.
7. Remove center console assembly. Refer to IP-25, "
Removal and Installation".
8. Separate front cable from rear cable, and remove front cable.
9. Remove pin and remove rear cable from toggle lever. Refer to PB-7, "
Removal and Installation".
10. Remove rear cable.
INSTALLATION
Rote the following, Install the reverse order of the removal.
 Never reuse the adjusting nut.
 Perform adjustment after installation. Refer to PB-6, "
Adjustment".
1. Front cable 2. Parking brake pedal assembly 3. Pedal pad
4. Adjusting nut 5. Parking brake switch 6. Spring
7. Rear cable (left side) 8. Rear cable (right side) 9. Pin
: Apply multi-purpose grease.
Refer to GI-4, "
Components" for symbols not described on the above.
JPFIB0125GB
Revision: 2010 May2011 QX56

PCS
POWER SUPPLY AND GROUND CIRCUITPCS-31
< DTC/CIRCUIT DIAGNOSIS > [IPDM E/R]
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POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000006220185
1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check voltage between IPDM E/R harness connector and the ground.
Is the measurement value normal?
YES >> GO TO 3.
NO >> Repair the harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and the ground.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair the harness or connector.
Signal name Fuses and fusible link No.
Battery power supply C (100 A)
N (60 A)
37 (10 A)
(+) (− ) Voltag e
(Approx.)
IPDM E/R
Connector Terminal
E9 1
Ground Battery voltage
2
E10 8
IPDM E/R
GroundContinuity
Connector Terminal
E11 9 Existed
E12 18
Revision: 2010 May2011 QX56

PCS-74
< DTC/CIRCUIT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SW
ITCH POSITION INDICATOR
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
DescriptionINFOID:0000000006220225
Push-button ignition switch changes the power supply position.
BCM maintains the power supply position status.
BCM changes the power supply position with the operation of the push-button ignition switch.
Component Function CheckINFOID:0000000006220226
1.CHECK FUNCTION
Check push-button ignition switch (“LOCK INDICATO R”, “ACC INDICATOR” and “IGNITION ON IND”) in
Active Test of BCM with CONSULT-III.
Is the inspection result normal?
YES >> INSPECTION END.
NO >> Refer to PCS-74, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006220227
1.CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check voltage between push-button ignition switch harness connector and ground.
Is the inspection normal?
YES >> GO TO 2.
NO-1 >> Check 10 A fuse [No.10, located in fuse block (J/B)].
NO-2 >> Check harness for open or short betw een push-button ignition switch and fuse.
2.CHECK BCM INPUT
1. Connect push-button ignition switch connector.
2. Disconnect BCM connector.
3. Check voltage between BCM connector and ground.
Is the inspection normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> GO TO 3.
3.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1. Disconnect push-button ignition switch connector.
Te s t i t e m D e s c r i p t i o n
LOCK INDICATOR
ACC INDICATOR
IGNITION ON IND ON
Position indicator Illuminates
OFF Does not illuminate
(+) (–)Voltage (V)
(Approx.)
Push-button ignition switch
Connector Terminal M101 8 Ground Battery voltage
(+) (–)Voltage (V)
(Approx.)
BCM
Connector Terminal
M101 73
Ground Battery voltage
91
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Revision: 2010 May2011 QX56

PG
PG-1
ELECTRICAL & POWER CONTROL
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CONTENTS
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
PRECAUTION ................
...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tools .......................................... ......4
SYSTEM DESCRIPTION ..............................5
COMPONENT PARTS ................................... .....5
Circuit Breaker .................................................... ......5
Battery .......................................................................5
Harness Connector ...................................................5
Standardized Relay ...................................................8
WIRING DIAGRAM ......................................11
POWER SUPPLY ROUTING CIRCUIT .......... ....11
Wiring Diagram - BATTERY POWER SUPPLY - ....11
Wiring Diagram - BATTERY POWER SUPPLY
FUSIBLE LINK No. K - ........................................ ....
29
Wiring Diagram - BATTERY POWER SUPPLY
FUSIBLE LINK No. S - ............................................
33
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 6 - ...........................................................
37
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 7 - ...........................................................
43
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 9 - ...........................................................
46
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 10 - .........................................................
51
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 35 - .........................................................
54
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 43 - .........................................................
60
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 46 - .........................................................
64
Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 47 - ..................................................... ....
67
Wiring Diagram - ACCESSORY POWER SUP-
PLY - ........................................................................
80
Wiring Diagram - ACCESSORY POWER SUP-
PLY FUSE No. 19 - .................................................
83
Wiring Diagram - ACCESSORY POWER SUP-
PLY FUSE No. 20 - .................................................
86
Wiring Diagram - IGNITION POWER SUPPLY - . ....89
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 3 - ....................................................... ..
105
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 4 - ....................................................... ..
109
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 37 - ..................................................... ..
115
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 55 - ..................................................... ..
121
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 57 - ..................................................... ..
123
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 61 - ..................................................... ..
126
Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 80 - ..................................................... ..
129
OPTION HARNESS ........................................133
Wiring Diagram .................................................... ..133
FUSE BLOCK - JUNCTION BOX (J/B) ..........140
Fuse, Connector and Terminal Arrangement ........140
FUSE, FUSIBLE LINK AND RELAY BOX ......141
Fuse and Fusible Link Arrangement ......................141
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ..............
143
Fuse, Connector and Terminal Arrangement ........143
HARNESS LAYOUT .......................................144
How To Read Harness Layout ............................ ..144
Outline ...................................................................145
Engine Room Harness ..........................................146
Engine Control Harness ........................................148
Revision: 2010 May2011 QX56

PG-2
Main Harness ........................................................149
Body Harness ........................................................150
Chassis Harness ...................................................152
Door Harness ........................................................153
Room Lamp Harness .............................................158
BASIC INSPECTION ..................................159
BATTERY INSPECTI ON ................................ .159
How to Handle Battery ......................................... ..159
Work Flow ..............................................................161
FUSE INSPECTION .........................................162
How To Check ..................................................... ..162
FUSIBLE LINK INSPECTION ..........................163
How To Check ..................................................... ..163
REMOVAL AND INSTALLATION .............164
BATTERY ....................................................... ..164
Exploded View ..................................................... .164
Removal and Installation .......................................164
BATTERY TERMINAL WITH FUSIBLE LINK ..165
Exploded View ......................................................165
Removal and Installation .......................................165
SERVICE DATA AND SPECIFICATIONS
(SDS) ........ .................................................
166
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ..
166
Battery .................................................................. .166
Revision: 2010 May2011 QX56

PG
POWER SUPPLY ROUTING CIRCUITPG-37
< WIRING DIAGRAM >
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Wiring Diagram - BATTERY POWER SUPPLY FUSE No. 6 -INFOID:0000000006288135
JCMWM8373GB
Revision: 2010 May2011 QX56

PG
POWER SUPPLY ROUTING CIRCUITPG-43
< WIRING DIAGRAM >
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Wiring Diagram - BATTERY POWER SUPPLY FUSE No. 7 -INFOID:0000000006288136
JCMWM8379GB
Revision: 2010 May2011 QX56