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ELECTRICAL & POWER CONTROL SECTION PG POWER SUPPLY, GROUND & CIRCUIT ELEMENTS A B C D E CONTENTS COUPE FUSE, FUSIBLE LINK AND RELAY BOX 66 BASIC INSPECTION BATTERY IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) 67 How to Handle Battery Work Flow Fuse, Connector and Terminal Arrangement 67 INSPECTION AND ADJUSTMENT ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement COMPONENT DIAGNOSIS POWER SUPPLY ROUTING CIRCUIT F Terminal Arrangement .66 PRECAUTION 68 G H PRECAUTIONS 68 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" 68 Battery Service 68 I J PREPARATION 69 PREPARATION 69 Special Service Tool 69 Commercial Service Tool 69 K Wiring Diagram — Battery Power Supply — Wiring Diagram — Accessory Power Supply — 14 Wiring Diagram — Ignition Power Supply — 17 Fuse 26 Fusible Link 26 ON-VEHICLE REPAIR 70 GROUND 27 Exploded View 70 Removal and Installation (Battery) 70 Removal and Installation (Battery Tray) 71 PG SERVICE DATA AND SPECIFICATIONS (SDS) 72 N BATTERY 72 O BATTERY 70 Ground Distribution 27 HARNESS 35 Harness Layout 35 ELECTRICAL UNITS LOCATION 56 Electrical Units Location 56 Battery .72 SEDAN HARNESS CONNECTOR 60 Description 60 STANDARDIZED RELAY 63 Description 63 BASIC INSPECTION 73 BATTERY 73 How to Handle Battery .73 Work Flow 75 FUSE BLOCK - JUNCTION BOX (J/B) .65 Terminal Arrangement 65 Revision: September 2009 L INSPECTION AND ADJUSTMENT 76 PG-1 2010 Altima P ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL 76 ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement 76 COMPONENT DIAGNOSIS 77 POWER SUPPLY ROUTING CIRCUIT 77 FUSE, FUSIBLE LINK AND RELAY BOX 138 Terminal Arrangement 138 IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) 139 Fuse, Connector and Terminal Arrangement 139 PRECAUTION 140 Wiring Diagram — Battery Power Supply — 77 Wiring Diagram — Accessory Power Supply — 84 Wiring Diagram — Ignition Power Supply — 88 Fuse 97 Fusible Link 97 PRECAUTIONS 140 GROUND 98 PREPARATION 141 Ground Distribution 98 HARNESS 106 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" 140 Battery Service 140 PREPARATION 141 Harness Layout .106 Special Service Tool 141 Commercial Service Tool 141 ELECTRICAL UNITS LOCATION 128 ON-VEHICLE REPAIR 142 Electrical Units Location 128 HARNESS CONNECTOR 132 Description .132 STANDARDIZED RELAY 135 Description .135 FUSE BLOCK - JUNCTION BOX (J/B) 137 Terminal Arrangement 137 BATTERY 142 Exploded View 142 Removal and Installation (Battery) 142 Removal and Installation (Battery Tray) 143 SERVICE DATA AND SPECIFICATIONS (SDS) 144 BATTERY 144 Battery 144 Revision: September 2009 PG-2 2010 Altima BATTERY [COUPE] < BASIC INSPECTION > BASIC INSPECTION A BATTERY How to Handle Battery INFOID:0000000005434702 CAUTION: • If it becomes necessary to start the engine with a booster battery and jumper cables, use a 12-volt booster battery • After connecting battery cables, ensure that they are tightly clamped to battery terminals for good contact • Never add distilled water through the hole used to check specific gravity B C D METHODS OF PREVENTING OVER-DISCHARGE The following precautions must be taken to prevent over-discharging a battery E • The battery surface (particularly its top) should always be kept clean and dry • The terminal connections should be clean and tight • At every routine maintenance, check the electrolyte level This also applies to batteries designated as “low maintenance” and “maintenance-free” F G H MEL040F • When the vehicle is not going to be used over a long period of time, disconnect the battery cable from the negative terminal (If the vehicle has an extended storage switch, turn it off.) I J K ELA0349D • Check the charge condition of the battery Periodically check the specific gravity of the electrolyte Keep a close check on charge condition to prevent over-discharge L PG N O MEL042F P CHECKING ELECTROLYTE LEVEL WARNING: Never allow battery fluid to come in contact with skin, eyes, fabrics, or painted surfaces After touching a battery, never touch or rub your eyes until you have thoroughly washed your hands If acid contacts eyes, skin or clothing, immediately flush with water for 15 minutes and seek medical attention Revision: September 2009 PG-3 2010 Altima BATTERY [COUPE] < BASIC INSPECTION > • Remove the cell plug using a suitable tool • Add distilled water up to the MAX level MEL043F Sulphation A battery will be completely discharged if it is left unattended for a long time and the specific gravity will become less than 1.100 This may result in sulphation on the cell plates To determine if a battery has been “sulphated”, note its voltage and current when charging it As shown in the figure, less current and higher voltage are observed in the initial stage of charging sulphated batteries A sulphated battery may sometimes be brought back into service by means of a long, slow charge, 12 hours or more, followed by a battery capacity test PKIA2353E SPECIFIC GRAVITY CHECK Read hydrometer and thermometer indications at eye level Use the chart below to correct your hydrometer reading according to electrolyte temperature MEL042FA Hydrometer Temperature Correction Battery electrolyte temperature [°C (°F)] Add to specific gravity reading 71 (160) 0.032 66 (150) 0.028 60 (140) 0.024 54 (130) 0.020 49 (120) 0.016 43 (110) 0.012 38 (100) 0.008 32 (90) 0.004 27 (80) 21 (70) −0.004 16 (60) −0.008 10 (50) −0.012 (40) −0.016 −1 (30) −0.020 −7 (20) −0.024 Revision: September 2009 PG-4 2010 Altima BATTERY [COUPE] < BASIC INSPECTION > Battery electrolyte temperature [°C (°F)] Add to specific gravity reading −12 (10) −0.028 −18 (0) −0.032 Corrected specific gravity Approximate charge condition 1.260 - 1.280 Fully charged 1.230 - 1.250 3/4 charged 1.200 - 1.220 1/2 charged 1.170 - 1.190 1/4 charged 1.140 - 1.160 Almost discharged 1.110 - 1.130 Completely discharged A B C D E CHARGING THE BATTERY CAUTION: • Never “quick charge” a fully discharged battery • Keep the battery away from open flame while it is being charged • When connecting the charger, connect the leads first, then turn on the charger Never turn on the charger first, as this may cause a spark • If battery electrolyte temperature rises above 55 °C (131 °F), stop charging Always charge battery at a temperature below 55 °C (131 °F) F G Charging Rates Amps Time 50 hour 25 hours 10 hours 10 hours H I Do not charge at more than 50 ampere rate J NOTE: The ammeter reading on your battery charger will automatically decrease as the battery charges This indicates that the voltage of the battery is increasing normally as the state of charge improves The charging amps indicated above refer to initial charge rate • If, after charging, the specific gravity of any two cells varies more than 0.050, the battery should be replaced K Work Flow L INFOID:0000000005434703 TROUBLE DIAGNOSIS WITH MULTITASKING BATTERY DIAGNOSTIC STATION Refer to diagnostic station instruction manual PG N O P Revision: September 2009 PG-5 2010 Altima INSPECTION AND ADJUSTMENT [COUPE] < BASIC INSPECTION > INSPECTION AND ADJUSTMENT ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement INFOID:0000000005434704 Required Procedure After Battery Disconnection System Item Reference Engine Control Idle Air Volume Learning Refer to EC-32, "IDLE AIR VOLUME LEARNING : Special Repair Requirement" (QR25DE for california), EC-575, "IDLE AIR VOLUME LEARNING : Special Repair Requirement" (QR25DE except for california) or EC-1069, "IDLE AIR VOLUME LEARNING : Special Repair Requirement" (VQ35DE) Glass, Window & Mirrors Power Window System Initialization Refer to PWC-12 (LH only anti-pinch) or PWC-169 (LH & RH anti-pinch) Roof Sunroof Memory Reset/Initialization Refer to RF-6 Temperature Setting Trimmer Refer to HAC-6 Foot Position Setting Trimmer Refer to HAC-6 Inlet Port Memory Function Refer to HAC-6 Automatic Temperature Control Audio-Visual System Revision: September 2009 Audio (Radio Preset) Refer to Owner's Manual Navigation system Refer to Owner's Manual Rear View Monitor Guiding Line Adjustment Refer to AV-267 PG-6 2010 Altima POWER SUPPLY ROUTING CIRCUIT [COUPE] < COMPONENT DIAGNOSIS > COMPONENT DIAGNOSIS A POWER SUPPLY ROUTING CIRCUIT Wiring Diagram —Battery Power Supply — INFOID:0000000005803240 B C D E F G H I J K L PG N O P ABMWA0681GB Revision: September 2009 PG-7 2010 Altima POWER SUPPLY ROUTING CIRCUIT [COUPE] < COMPONENT DIAGNOSIS > ABMWA0682GB Revision: September 2009 PG-8 2010 Altima POWER SUPPLY ROUTING CIRCUIT [COUPE] < COMPONENT DIAGNOSIS > A B C D E F G H I J K L PG N O ABMWA0683GB P Revision: September 2009 PG-9 2010 Altima POWER SUPPLY ROUTING CIRCUIT [COUPE] < COMPONENT DIAGNOSIS > ABMWA0684GB Revision: September 2009 PG-10 2010 Altima ELECTRICAL UNITS LOCATION [SEDAN] < COMPONENT DIAGNOSIS > A B C D E F G H I J K L PG N O ABMIA1789GB P Revision: September 2009 PG-131 2010 Altima ELECTRICAL UNITS LOCATION [SEDAN] < COMPONENT DIAGNOSIS > LUGGAGE COMPARTMENT ABMIA0512GB Revision: September 2009 PG-132 2010 Altima HARNESS CONNECTOR [SEDAN] < COMPONENT DIAGNOSIS > HARNESS CONNECTOR A Description INFOID:0000000005434736 HARNESS CONNECTOR (TAB-LOCKING TYPE) B • 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 C D [Example] E F G H I J K L PG N O P SEL769DA 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 disconnection Revision: September 2009 PG-133 2010 Altima HARNESS CONNECTOR [SEDAN] < COMPONENT DIAGNOSIS > • 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 support bracket when disconnecting the connector [Example] SEL769V 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 connection CAUTION: Revision: September 2009 PG-134 2010 Altima HARNESS CONNECTOR [SEDAN] < COMPONENT DIAGNOSIS > • Always confirm the lever is fully released (loosened) before attempting to disconnect or connect these connectors to avoid damage to the connector housing or terminals A B C D E F G H I LKIA0670E Control unit with single lever Control unit with dual lever J SMJ connector A Fasten A Fasten A Fasten B.Loosen B.Loosen B.Loosen C.Lever C.Lever C.Lever K HARNESS CONNECTOR (DIRECT-CONNECT SRS COMPONENT TYPE) • SRS direct-connect type harness connectors are used on certain SRS components such as air bag modules L 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, PG the black locking tab is level with the connector housing CAUTION: • Do not pull the harness or wires when removing connectors from SRS components N O P WHIA0103E Revision: September 2009 PG-135 2010 Altima STANDARDIZED RELAY [SEDAN] < COMPONENT DIAGNOSIS > STANDARDIZED RELAY Description INFOID:0000000005434737 NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS Relays can mainly be divided into three types: normal open, normal closed and mixed type relays SEL881H TYPE OF STANDARDIZED RELAYS 1M ···················· Make 2M ···················· Make 1T ···················· Transfer 1M·1B ···················· Make Break SEL882H Revision: September 2009 PG-136 2010 Altima STANDARDIZED RELAY [SEDAN] < COMPONENT DIAGNOSIS > A B C D E F G H I J K L PG N O SEL188W P Revision: September 2009 PG-137 2010 Altima FUSE BLOCK - JUNCTION BOX (J/B) [SEDAN] < COMPONENT DIAGNOSIS > FUSE BLOCK - JUNCTION BOX (J/B) Terminal Arrangement INFOID:0000000005434738 ABMIA1790GB Revision: September 2009 PG-138 2010 Altima FUSE, FUSIBLE LINK AND RELAY BOX [SEDAN] < COMPONENT DIAGNOSIS > FUSE, FUSIBLE LINK AND RELAY BOX Terminal Arrangement A INFOID:0000000005434739 B C D E F G H I J K L PG N O P ABMIA0514GB Revision: September 2009 PG-139 2010 Altima IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) [SEDAN] < COMPONENT DIAGNOSIS > IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) Fuse, Connector and Terminal Arrangement INFOID:0000000005434740 ABMIA1791GB Revision: September 2009 PG-140 2010 Altima PRECAUTIONS [SEDAN] < PRECAUTION > PRECAUTION A PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" B INFOID:0000000005783659 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 This system includes seat belt switch inputs and dual stage front air bag modules The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted 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 minutes before performing any service Battery Service C D E F G H I J INFOID:0000000005434743 K Before disconnecting the battery, lower both the driver and passenger windows This will prevent any interference between the window edge and the vehicle when the door is opened/closed During normal operation, the window slightly raises and lowers automatically to prevent any window to vehicle interference The automatic window function will not work with the battery disconnected L PG N O P Revision: September 2009 PG-141 2010 Altima PREPARATION [SEDAN] < PREPARATION > PREPARATION PREPARATION Special Service Tool INFOID:0000000005434744 Tool number (Kent-Moore No.) Tool name Description — (—) Model GR-8 Multitasking Battery Diagnostic Station Tests batteries, starting and charging systems For operating instructions, refer to diagnostic station instruction manual AWIIA1239ZZ Commercial Service Tool INFOID:0000000005434745 Tool name Description Power tool Loosening bolts and nuts PBIC0190E Revision: September 2009 PG-142 2010 Altima BATTERY [SEDAN] < ON-VEHICLE REPAIR > ON-VEHICLE REPAIR A BATTERY Exploded View INFOID:0000000005783637 B C D E F G H I ALMIA0488GB Upper ECM bracket Battery frame Battery Battery rods Battery tray liner Battery tray K Front Removal and Installation (Battery) J INFOID:0000000005434746 L REMOVAL Disconnect the battery negative and positive terminals CAUTION: Disconnect the negative terminal first Remove battery frame nuts and battery frame Remove battery PG N INSTALLATION Installation is in the reverse order of removal CAUTION: Connect the positive terminal first Battery frame nut Battery terminal nut O P : 3.92 N·m (0.4 kg-m, 35 in-lb) : 5.4 N·m (0.55 kg-m, 48 in-lb) Reset electronic systems as necessary Refer to PG-76, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement" Revision: September 2009 PG-143 2010 Altima BATTERY [SEDAN] < ON-VEHICLE REPAIR > Removal and Installation (Battery Tray) INFOID:0000000005783638 REMOVAL Remove battery and battery tray liner Refer to PG-142, "Removal and Installation (Battery)" Remove air cleaner assembly Refer to EM-25, "Removal and Installation" (QR25DE models) or EM-129, "Removal and Installation" (VQ35DE models) Disconnect and remove ECM Disconnect transmission control module (TCM) (CVT models) Refer to TM-251, "Removal and Installation" (RE0F09B) or TM-423, "Removal and Installation" (RE0F10A) Remove the ECM bracket Remove current sensor from battery tray Remove the battery tray bolts and battery tray INSTALLATION Installation is in the reverse order of removal Reset electronic systems as necessary Refer to PG-76, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement" Revision: September 2009 PG-144 2010 Altima BATTERY [SEDAN] < SERVICE DATA AND SPECIFICATIONS (SDS) SERVICE DATA AND SPECIFICATIONS (SDS) A BATTERY Battery INFOID:0000000005434747 Type* GR.35 (BCI) Capacity (20HR) minimum V-AH B C 12 - 63 Cold cranking current A @ -18°C (0°F) 550 D *: Always check with the Parts Department for the latest parts information E F G H I J K L PG N O P Revision: September 2009 PG-145 2010 Altima