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ELECTRICAL & POWER CONTROL SECTION PG POWER SUPPLY, GROUND & CIRCUIT ELEMENTS A B C D E CONTENTS PRECAUTION PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" Precaution Necessary for Steering Wheel Rotation After Battery Disconnect Precaution for Power Generation Voltage Variable Control System FUSE, FUSIBLE LINK AND RELAY BOX 71 Terminal Arrangement .71 IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) 72 BASIC INSPECTION 73 PREPARATION INSPECTION AND ADJUSTMENT 76 ELECTRICAL UNITS LOCATION Electrical Units Location ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL 76 ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement .76 FUSE INSPECTION 77 FUSIBLE LINK INSPECTION 81 Fusible Link .81 WIRING DIAGRAM 16 REMOVAL AND INSTALLATION 82 POWER SUPPLY ROUTING CIRCUIT 16 BATTERY 82 Wiring Diagram — Battery Power Supply — 16 Wiring Diagram — Accessory Power Supply — 23 Wiring Diagram — Ignition Power Supply — 27 Exploded View 82 Removal and Installation 82 Exploded View 84 Removal and Installation 84 Ground Distribution 37 BATTERY TERMINAL WITH FUSIBLE LINK 85 Exploded View 85 Removal and Installation 85 Harness Layout 48 FUSE BLOCK - JUNCTION BOX (J/B) .70 Terminal Arrangement 70 Revision: July 2014 J K L PG N O BATTERY TRAY 84 GROUND 37 HARNESS 48 I How To Check 77 COMPONENT PARTS .10 Circuit Breaker (Built Into BCM) 10 Harness Connector 10 Standardized Relay 13 H BATTERY 73 PREPARATION SYSTEM DESCRIPTION G Fuse, Connector and Terminal Arrangement 72 How to Handle Battery .73 Work Flow 73 Special Service Tool Commercial Service Tool F BATTERY CURRENT SENSOR 86 PG-1 Exploded View 86 2015 Model L33 P Removal and Installation 86 SERVICE DATA AND SPECIFICATIONS (SDS) 87 Revision: July 2014 BATTERY 87 Battery 87 PG-2 2015 Model L33 PRECAUTIONS < PRECAUTION > PRECAUTION A PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" B INFOID:0000000011190372 The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision Information necessary to service the system safely is included in the SR and SB section of this Service Manual WARNING: • To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be performed by an authorized NISSAN/INFINITI dealer • Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module, see the SR section • Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS WARNING: • When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Ignition ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a hammer Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing serious injury • When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the battery and wait at least three minutes before performing any service Precaution Necessary for Steering Wheel Rotation After Battery Disconnect INFOID:0000000010510210 C D E F G H I J NOTE: • Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posiK tion, then disconnect both battery cables • After finishing work, confirm that all control unit connectors are connected properly, then re-connect both battery cables • Always use CONSULT to perform self-diagnosis as a part of each function inspection after finishing work If L a DTC is detected, perform trouble diagnosis according to self-diagnosis results This vehicle is equipped with a push-button ignition switch and a steering lock unit If the battery is disconnected or discharged, the steering wheel will lock and cannot be turned PG If turning the steering wheel is required with the battery disconnected or discharged, follow the procedure below before starting the repair operation OPERATION PROCEDURE N Connect both battery cables NOTE: Supply power using jumper cables if battery is discharged Carry the Intelligent Key or insert it to the key slot and turn the push-button ignition switch to ACC position (At this time, the steering lock will be released.) Disconnect both battery cables The steering lock will remain released with both battery cables disconnected and the steering wheel can be turned Perform the necessary repair operation When the repair work is completed, re-connect both battery cables With the brake pedal released, turn the push-button ignition switch from ACC position to ON position, then to LOCK position (The steering wheel will lock when the push-button ignition switch is turned to LOCK position.) Perform self-diagnosis check of all control units using CONSULT Revision: July 2014 PG-3 2015 Model L33 O P PRECAUTIONS < PRECAUTION > Precaution for Power Generation Voltage Variable Control System INFOID:0000000011147192 CAUTION: For this model, the battery current sensor that is installed to the battery cable at the negative terminal measures the charging/discharging current of the battery, and performs various controls If the electrical component or the ground wire is connected directly to the battery terminal, the current other than that being measured with the battery current sensor is charging to or discharging from the battery This condition causes the malfunction of the control, and then the battery discharge may occur Do not connect the electrical component or the ground wire directly to the battery terminal Revision: July 2014 PG-4 2015 Model L33 PREPARATION < PREPARATION > PREPARATION A PREPARATION Special Service Tool INFOID:0000000010510211 B The actual shape of the tools may differ from those illustrated here Tool number (TechMate No.) Tool name Description — (165-GR8-1200KIT-NI) Nissan battery and electronics tester Tests batteries, starting and charging systems and charges batteries For operating instructions, refer to diagnostic station instruction manual C D E AWIIA1239ZZ — (165-EXP-800-NI) Midtronic hand-held battery tester Tests batteries and charging systems For operations instructions, refer to diagnostic analyzer instruction manual F G H JSMIA0806ZZ Commercial Service Tool INFOID:0000000010510212 I Tool name Description Power tool Loosening nuts, screws and bolts J K L PIIB1407E PG N O P Revision: July 2014 PG-5 2015 Model L33 ELECTRICAL UNITS LOCATION < SYSTEM DESCRIPTION > SYSTEM DESCRIPTION ELECTRICAL UNITS LOCATION Electrical Units Location INFOID:0000000010510223 ENGINE COMPARTMENT ABMIA6473GB Revision: July 2014 PG-6 2015 Model L33 ELECTRICAL UNITS LOCATION < SYSTEM DESCRIPTION > PASSENGER COMPARTMENT A B C D E F G H I J K L PG N O ABMIA6474GB Revision: July 2014 PG-7 2015 Model L33 P ELECTRICAL UNITS LOCATION < SYSTEM DESCRIPTION > ABMIA6475GB Revision: July 2014 PG-8 2015 Model L33 ELECTRICAL UNITS LOCATION < SYSTEM DESCRIPTION > LUGGAGE COMPARTMENT A B C D E F G H I J K L PG N O ABMIA6476GB Revision: July 2014 PG-9 2015 Model L33 P COMPONENT PARTS < SYSTEM DESCRIPTION > COMPONENT PARTS Circuit Breaker (Built Into BCM) INFOID:0000000011107766 For example, when current is 30A, the circuit is broken within to 20 seconds A circuit breaker is used for the following systems: • Power windows • Power moonroof • Power lumbar • Power seats SBF284E Harness Connector INFOID:0000000011107767 HARNESS CONNECTOR (TAB-LOCKING TYPE) • The tab-locking type connectors help prevent accidental looseness or disconnection • The tab-locking type connectors are disconnected by pushing 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 Revision: July 2014 PG-10 2015 Model L33 POWER STEERING OIL PUMP < REMOVAL AND INSTALLATION > POWER STEERING OIL PUMP Exploded View INFOID:0000000010520103 ALGIA0145GB Power steering reservoir cap High pressure piping Power steering oil pump assembly Low pressure piping Front Removal and Installation INFOID:0000000010520104 NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling REMOVAL Remove the power steering oil pump cover (1) ALGIA0132ZZ Drain power steering fluid Refer to ST-30, "Draining and Refilling" Remove the bolt from the power steering pressure line bracket Revision: July 2014 ST-40 2015 Model L33 POWER STEERING OIL PUMP < REMOVAL AND INSTALLATION > Disconnect the following components from the power steering oil pump: (A): Power steering pump connector (LH) (B): Reservoir hose (C): Power steering pump connector (RH) (D): High pressure piping Remove power steering oil pump bolts, and then remove power steering oil pump A B C ALGIA0148ZZ D INSTALLATION Installation is in the reverse order of removal Install power steering pressure line to power steering oil pump • Install power steering pressure line hold down bolt hand tight • Install power steering pressure line bracket and tighten to specified torque • Tighten power steering pressure line hold down bolt to specified torque Bleed air from power steering system Refer to ST-30, "Air Bleeding Hydraulic System" CAUTION: Do not reuse O-rings E F ST H I J K L M N O P Revision: July 2014 ST-41 2015 Model L33 HYDRAULIC LINE < REMOVAL AND INSTALLATION > HYDRAULIC LINE Exploded View INFOID:0000000010520105 QR25DE ALGIA0133GB Power steering pump assembly High pressure piping - upper High pressure piping - lower Power steering gear assembly Low pressure piping - lower Low pressure piping- upper A View A B View B Revision: July 2014 Front ST-42 2015 Model L33 HYDRAULIC LINE < REMOVAL AND INSTALLATION > VQ35DE A B C D E F ST H I J K L M N ALGIA0134GB Power steering pump assembly High pressure piping - upper High pressure piping - lower Power steering gear assembly Low pressure piping - lower Low pressure piping - upper Engine mount bracket A View A B View B P Front Removal and Installation INFOID:0000000010520106 NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling REMOVAL Revision: July 2014 O ST-43 2015 Model L33 HYDRAULIC LINE < REMOVAL AND INSTALLATION > Refer to the component parts location illustration for hydraulic line removal Refer to ST-42, "Exploded View" CAUTION: Do not reuse O-rings INSTALLATION Installation is in the reverse order of removal • Bleed air from power steering system Refer to ST-30, "Air Bleeding Hydraulic System" • Check for fluid leaks Repair as necessary CAUTION: Do not reuse O-rings Revision: July 2014 ST-44 2015 Model L33 HEATED STEERING WHEEL SWITCH < REMOVAL AND INSTALLATION > HEATED STEERING WHEEL SWITCH Removal and Installation A INFOID:0000000011147177 REMOVAL B Remove the instrument lower panel LH (1) Refer to IP-22, "Removal and Installation" Remove screws (A) that retain the switch carrier (2) to the instrument lower panel LH (1) C D E AWOIA0090ZZ F Release the pawls then remove the heated steering wheel switch from the switch carrier (1) : Pawl ST H AWOIA0091ZZ I INSTALLATION Installation is in the reverse order of removal J K L M N O P Revision: July 2014 ST-45 2015 Model L33 STEERING GEAR AND LINKAGE < UNIT REMOVAL AND INSTALLATION > UNIT REMOVAL AND INSTALLATION STEERING GEAR AND LINKAGE Exploded View INFOID:0000000010520101 ALGIA0205ZZ Cotter pin Steering gear Front Removal and Installation INFOID:0000000010520102 NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling REMOVAL Set the front wheels and tires to the straight-ahead position Remove the front wheels and tires using power tool Refer to WT-50, "Adjustment" Remove the nuts and separate the stabilizer connecting rods from the stabilizer bar Reposition the stabilizer bar Refer to FSU-15, "Exploded View" Remove cotter pin (1) from outer socket and then loosen the outer socket nut ( ) Separate outer socket (2) from steering knuckle (3) so as not to damage ball joint boot (4) using a suitable tool CAUTION: Leave the outer socket nuts half threaded on the outer socket to prevent damage to threads and to prevent the suitable tool from coming off suddenly ALGIA0142ZZ Remove the outer socket nuts and separate outer sockets from the steering knuckles Revision: July 2014 ST-46 2015 Model L33 STEERING GEAR AND LINKAGE < UNIT REMOVAL AND INSTALLATION > Remove lower side bolt ( "Exploded View" ) of lower joint Refer to ST-33, A B C SGIA0844E D Remove front exhaust tube Refer to EX-5, "Exploded View" (QR25DE), EX-10, "Exploded View" (VQ35DE) Separate the high pressure piping (lower) and low pressure piping (lower) with clips from the bracket on the power steering gear Refer to ST-42, "Exploded View" 10 Separate the high pressure piping (lower) and low pressure piping (lower) from the steering gear Refer to ST-42, "Exploded View" 11 Remove bolts and nuts of steering gear, then remove steering gear from vehicle INSTALLATION Installation is in the reverse order of removal WARNING: After torquing the outer socket nuts, be sure to install the cotter pins through the outer socket stud holes and bend the cotter pins around the outer socket studs CAUTION: • Do not reuse O-rings or copper sealing washers • Do not reuse cotter pins • Do not reuse steering gear nuts • When installing lower shaft to steering gear, follow the procedure listed below - Align rear cover cap projection (A) with the marking position (B) of steering gear - Install slit part of lower joint (C) aligning with the projection (A) of rear cover cap (1) Make sure that the slit part of lower joint (C) is aligned with both the projection (A) of rear cover cap (1) and the marking position (B) of steering gear E F ST H I J K L SGIA1175E • Bleed air from the steering system Refer to ST-15, "Inspection" • Check wheel alignment Refer to FSU-7, "Inspection and Adjustment" • Adjust the neutral position of the steering angle sensor Refer to BRC-58, "Work Procedure" M N O P Revision: July 2014 ST-47 2015 Model L33 STEERING GEAR AND LINKAGE < UNIT DISASSEMBLY AND ASSEMBLY > UNIT DISASSEMBLY AND ASSEMBLY STEERING GEAR AND LINKAGE Exploded View INFOID:0000000010520107 ALGIA0201ZZ Outer socket Inner socket lock nut Small boot clamp Boot Large boot clamp Inner socket Spacer Rack bar (not serviceable) Bracket 10 Steering gear Disassembly and Assembly INFOID:0000000010520108 DISASSEMBLY Remove inner socket lock nut (A) and outer socket (1) CAUTION: To prevent damage, hold outer socket (1) across flats using suitable tool while loosening inner socket lock nut (A) AWGIA0334ZZ Remove boot clamps and boot Revision: July 2014 ST-48 2015 Model L33 STEERING GEAR AND LINKAGE < UNIT DISASSEMBLY AND ASSEMBLY > Remove inner socket CAUTION: To prevent damage to the rack bar when removing the inner socket, hold suitable tool (A) across rack bar flats (C) while turning suitable tool (B) across inner socket flats (D) A B C ALGIA0203ZZ D Remove spacer Remove bracket bolt and bracket E ASSEMBLY Install bracket and bracket bolt to gear housing Install spacer on the end of the rack bar F Apply medium strength thread locker to threads of inner socket Tighten inner socket to the specified torque Refer to ST-36, "Exploded View" ST CAUTION: To prevent damage to the rack bar when installing the inner socket, hold suitable tool across rack bar flats while turning H suitable tool across inner socket flats Install large end of boot (1) to gear housing Apply silicone grease between the inner socket and small end of I boot (2) Install small end of boot to inner socket boot mounting ALGIA0202ZZ groove CAUTION: To prevent boot deformation or damage during toe-in adjustment, apply silicone grease between J the inner socket and small end of boot Install small boot clamp Install large boot clamp using Tool CAUTION: Do not reuse boot clamp Tool number : KV40107300 ( K L — ) M N O P AST139 Revision: July 2014 ST-49 2015 Model L33 STEERING GEAR AND LINKAGE < UNIT DISASSEMBLY AND ASSEMBLY > Adjust inner socket to standard length (L), and then tighten inner socket lock nut to the specified torque Refer to ST-36, "Exploded View" Check length of inner socket (L) again after tightening inner socket lock nut Make sure that the length is the standard Inner socket length (L) : Refer to ST-53, "Power Steering Gear" CAUTION: • Adjust toe-in after this procedure The length achieved SGIA0167E after toe-in adjustment is not necessarily the above value • To prevent damage, hold outer socket across flats using suitable tool while tightening inner socket lock nut • Inspect to make sure no boot deformation has occurred during toe-in adjustment Adjust boot as necessary Revision: July 2014 ST-50 2015 Model L33 POWER STEERING OIL PUMP < UNIT DISASSEMBLY AND ASSEMBLY > POWER STEERING OIL PUMP A Disassembly and Assembly INFOID:0000000010520109 The power steering oil pump is not serviceable and should be replaced as an assembly Refer to ST-40, "Removal and Installation" B C D E F ST H I J K L M N O P Revision: July 2014 ST-51 2015 Model L33 SERVICE DATA AND SPECIFICATIONS (SDS) < SERVICE DATA AND SPECIFICATIONS (SDS) SERVICE DATA AND SPECIFICATIONS (SDS) SERVICE DATA AND SPECIFICATIONS (SDS) Steering Wheel INFOID:0000000010520110 Steering wheel axial end play mm (0 in) Steering wheel play - 35 mm (0 - 1.38 in) Steering wheel turning force 39 N (4 kg-f, lb-f) or less Steering Angle INFOID:0000000010520111 Unit: Degree minute (Decimal Degree) SGIA0055E Tire size Inner wheel angle (A) Outer wheel angle (B) 215/60R16 215/55R17 Minimum 36° 30′ (36.5°) 34° 30′ (34.5°) Nominal 39° 30′ (39.5°) 37° 30′ (37.5°) Maximum 40° 30′ (40.5°) 38° 30′ (38.5°) Nominal 32° 30′ (32.5°) 31° 30′ (31.5°) Steering Column INFOID:0000000010520112 STEERING COLUMN LENGTH Unit: mm (in) ALGIA0135ZZ Steering column length Length (L) 513 (20.2) Telescopic maximum 590 - 620 (23.2 - 24.4) Telescopic minimum 560 - 590 (22.0 - 23.2) TILT MECHANISM OPERATING RANGE Revision: July 2014 ST-52 2015 Model L33 SERVICE DATA AND SPECIFICATIONS (SDS) < SERVICE DATA AND SPECIFICATIONS (SDS) Unit: mm (in) A B C D ALGIA0136ZZ Tilt operating range (L1) 50 (1.97) Telescopic operating range (L2) 60 (2.4) Power Steering Gear E INFOID:0000000010520113 F STEERING OUTER SOCKET AND INNER SOCKET Swinging torque Outer socket 0.3 - 2.9 N·m (0.03 - 0.29 kg-m, 3.0 - 25 in-lb) • Measurement on spring balance • Measuring point: cotter pin hole of stud 1.4 - 42.7 N (0.14 - 4.4 kg, 12 - 31 lb) Rotating torque 0.3 - 2.9 N·m (0.03 - 0.29 kg-m, 3.0 - 25 in-lb) Axial end play 0.4 mm (0.020 in) or less Swinging torque Inner socket ST H 0.1 - 7.8 N·m (0.01 - 0.79 kg-m, 1.0 - 69 in-lb) • Measurement on spring balance • Measuring point at * mark shown 0.8 - 64 N (0.082 - 6.5 kg, 0.18 - 14.4 lb) Rotating torque 0.0 - 16.7 N·m (0.00 - 1.70 kg-m, - 12 ft-lb) Axial end play 0.2 mm (0.008 in) or less Inner socket length (L) I J 89.7 mm (3.5in) or less K L M N SGIA0167E RACK STROKE O P Revision: July 2014 ST-53 2015 Model L33 SERVICE DATA AND SPECIFICATIONS (SDS) < SERVICE DATA AND SPECIFICATIONS (SDS) AWGIA0003GB Rack stroke in neutral position (L) 215/60R16 215/55R17-235/45R18 72.5 mm (2.9 in) 70.0 mm (2.8 in) RACK SLIDING FORCE Average 330 N (33.7 kg, 74.2 lb) Power Steering Oil Pump Relief oil pressure INFOID:0000000010520114 9,800 - 10,300 kPa (98 - 103 bar, 99.96 - 105.06 kg/cm2, 1421.0 - 1493.5 psi) Power Steering Fluid INFOID:0000000010520115 Fluid type E-PSF Fluid capacity Revision: July 2014 1.1 ST-54 (1-1/8 US qt, lmp qt) 2015 Model L33