Repair manual
Wiring diagrams
Infiniti QX50 I Repair Manual
Step-by-step repair and maintenance instructions for the Infiniti QX50 I (2013–2015): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
82sections
971articles
ENManual language
- DETAILED FLOW
- ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL: Special Repair Requirement
- ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT: Special Repair Requirement
- INITIALIZATION PROCEDURE
- Memory Storage Procedure
- Setting Change
- SYSTEM SETTING: Special Repair Requirement
- OUTLINE
- CONTROL UNITS
- INPUT PARTS
- OUTPUT PARTS
- DETAIL FLOW
- DATA MONITOR
- WORK SUPPORT
- Special Repair Requirement
- DRIVER SEAT CONTROL UNIT: Special Repair Requirement
- Component Function Check
- CHANGEOVER SWITCH: Component Function Check
- MIRROR SWITCH: Component Function Check
- DRIVER SIDE: Component Function Check
- PASSENGER SIDE: Component Function Check
- PHYSICAL VALUES
- Fail Safe
- REAR WIPER MOTOR PROTECTION
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Service
- Work
- Exploded View
- Workflow
- Work Procedure
- INPUT/OUTPUT SIGNAL CHART
- Normal Control
- Back-up Control (Engine Brake)
- During Shift Change
- Shift Change
- Blipping Control
- "P" POSITION RETAINING MECHANISM (IGNITION SWITCH LOCK)
- OBD FUNCTION
- IGN Counter
- DATA MONITOR
- Judgment of A/T Interlock
- Component Function Check
- PHYSICAL VALUES
- Fail-Safe
- FAIL-SAFE FUNCTION
- Protection Control
- REVERSE INHIBIT CONTROL
- 1ST ENGINE BRAKE PROTECTION CONTROL
- TCM HIGH TEMPERATURE PROTECTION CONTROL
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- ATF COOLER SERVICE
- Special Service Tool
- Commercial Service Tool
- Changing
- Cleaning
- Oil Pan
- 1st One-way Clutch
- Under Drive Sun Gear
- Reverse Brake Retaining Plate/Drive Plates/Driven Plates/Dish Plates
- Front Brake Retaining Plates/Drive Plates/Driven Plate
- Each Snap Ring
- Parking Actuator Support and Parking Pawl
- Each Spring Retainer
- 2346 Brake Retaining Plate/Drive Plates/Driven Plates/Dish Plate
- 2346 Brake Clearance
- Front Carrier Snap Ring
- Input Clutch Snap Ring
- Input Clutch Drum
- Input Clutch Retaining Plate/Drive Plates/Driven Plates/Dish Plate
- Front Carrier
- Rear Internal Gear
- 2nd One-way Clutch
- Mid Sun Gear
- Rear Sun Gear
- High and Low Reverse Clutch Hub
- Snap Ring
- High and Low Reverse Clutch Retaining Plate/Drive Plates/Driven Plates/Dish Plate
- High and Low Reverse Clutch Drum
- Direct Clutch Retaining Plate/Drive Plates/Driven Plates/Dish Plate
- Direct Clutch Drum
- Vehicle Speed at Which Gear Shifting Occurs
- Vehicle Speed at Which Lock-up Occurs/Releases
- Stall Speed
- Total End Play
- Reverse Brake Clearance
- Front Brake Clearance
- DTC INDEX
- SELF-DIAGNOSTIC RESULTS
- DTC WORK SUPPORT
- DTC DETECTION LOGIC
- DTC CONFIRMATION PROCEDURE
- Diagnosis Procedure
- Component Inspection (Manual Mode Switch)
- Component Inspection (Shift Lock Solenoid)
- Component Inspection (Stop Lamp Switch)
- Component Inspection (Selector Lever Position Indicator)
- VALUES ON DIAGNOSIS TOOL
- DTC Inspection Priority Chart
- Symptom Table
- On Board Diagnostic (OBD) System of Engine and A/T
- Inspection
- JUDGMENT OF STALL TEST
- INSPECTION AFTER INSTALLATION
- INSPECTION AFTER REMOVAL
- INSPECTION BEFORE INSTALLATION
- INSPECTION AFTER DISASSEMBLY
- High Strength Steel (HSS)
- Foam Repair
- Phosphate Coating Treatment and Cationic Electrodeposition Primer
- Anti-corrosive Wax
- Undercoating
- Body Sealing
- Hoodledge
- Front Side Member (2WD)
- Front Side Member (AWD)
- Front Pillar
- Center Pillar
- Outer Sill
- EARLY PRODUCTION MODELS
- LATE PRODUCTION MODELS
- Rear End Crossmember
- Rear Floor Rear
- Rear Side Member Extension
- Body Center Marks
- MEASUREMENT
- Precautions for Plastics
- Precaution for Procedure without Cowl Top Cover
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- DISCONNECTING FUEL PIPING
- Special Service Tools
- Commercial Service Tools
- Checking
- WATER HOSE
- AIR FUEL RATIO SENSOR 1
- Check for Fuel Leakage
- Exploded View
- Timing Chain
- Setting
- 2WD: Exploded View
- AWD: Exploded View
- Camshaft (EXH) Journal Oil Clearance
- Valve Lifter Clearance (EXH)
- Camshaft Sprocket (INT) Runout
- Valve Lifter (INT)
- Valve Lifter Clearance (INT)
- Cylinder Head Distortion
- Valve Dimensions
- Valve Guide Clearance
- Piston Pin Hole Diameter
- Piston to Piston Pin Oil Clearance
- Connecting Rod Bushing Inner Diameter
- Connecting Rod Bushing Oil Clearance
- Piston Skirt Diameter
- Piston-to-Cylinder Bore Clearance
- Reboring Cylinder Bore
- CRANKSHAFT MAIN JOURNAL DIAMETER
- OIL JET
- WHEN NEW CYLINDER BLOCK IS USED
- PISTON SELECTION TABLE
- WHEN CONNECTING ROD AND CRANKSHAFT ARE REUSED
- CONNECTING ROD BEARING GRADE TABLE
- WHEN CYLINDER BLOCK AND CRANKSHAFT ARE REUSED
- MAIN BEARING GRADE TABLE (ALL JOURNALS)
- DRIVE BELT
- SPARK PLUG
- INTAKE MANIFOLD
- EXHAUST MANIFOLD
- CAMSHAFT (EXH)
- CAMSHAFT (INT)
- VALVE LIFTER
- VALVE CLEARANCE
- AVAILABLE VALVE LIFTER
- CYLINDER HEAD
- VALVE GUIDE
- VALVE SEAT
- VALVE SPRING
- CYLINDER BLOCK
- AVAILABLE PISTON
- PISTON RING
- PISTON PIN
- CONNECTING ROD
- CRANKSHAFT
- MAIN BEARING
- UNDERSIZE
- MAIN BEARING OIL CLEARANCE
- CONNECTING ROD BEARING
- CONNECTING ROD BEARING OIL CLEARANCE
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Parasitic Load Explanation & Test Procedures - General Information 2
- Waveforms - Injector Pattern Tutorial - General Information 2
- Electrostatic Discharge Warning - General Information
- State Emission Standards - Diesel
- DETAILED FLOW
- OUTLINE
- AUTO LIGHT FUNCTION
- DELAY TIMER FUNCTION
- EXTERIOR LAMP BATTERY SAVER ACTIVATION
- FREEZE FRAME DATA (FFD)
- WORK SUPPORT
- DATA MONITOR
- Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- CAN COMMUNICATION CONTROL
- IGNITION RELAY MALFUNCTION DETECTION FUNCTION
- FRONT WIPER CONTROL
- STARTER MOTOR PROTECTION FUNCTION
- AUTO LIGHT SYSTEM
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- PREPARATION BEFORE ADJUSTING
- HEADLAMP BULB (LO)
- HEADLAMP BULB (HI)
- PARKING LAMP BULB
- FRONT TURN SIGNAL LAMP BULB
- FRONT SIDE MARKER LAMP BULB
- Exploded View
- DETAILED FLOW
- ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (AFS CONTROL UNIT): Special Repair Requirement
- ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SENSOR): Special Repair Requirement
- OUTLINE
- AUTO LIGHT FUNCTION
- DELAY TIMER FUNCTION
- Swivel Actuator Initialization
- AFS OFF Indicator Lamp
- Front fog lamp ON condition
- Parking, license plate, side marker and tail lamps ON condition
- Control by BCM
- Control by IPDM E/R
- EXTERIOR LAMP BATTERY SAVER ACTIVATION
- FREEZE FRAME DATA (FFD)
- WORK SUPPORT
- DATA MONITOR
- SWIVEL ACTUATOR
- SWIVEL MOTOR
- SWIVEL POSITION SENSOR
- [B2514] Height sensor unusual [RR]
- [B2516] Shift signal [P, R]
- [B2517] Vehicle speed signal
- [B2521] ECU circuit
- [C0126] Steering angle sensor signal
- [U1000] CAN communication circuit
- Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- Condition of cancellation
- CAN COMMUNICATION CONTROL
- IGNITION RELAY MALFUNCTION DETECTION FUNCTION
- FRONT WIPER CONTROL
- STARTER MOTOR PROTECTION FUNCTION
- Fail-safe
- XENON HEADLAMP
- AUTO LIGHT SYSTEM
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Precautions For Xenon Headlamp Service
- PREPARATION BEFORE ADJUSTING
- HEADLAMP BULB (HI)
- PARKING LAMP BULB
- FRONT TURN SIGNAL LAMP BULB
- FRONT SIDE MARKER LAMP BULB
- Exploded View
- Special Service Tools
- Commercial Service Tools
- OIL LEAKAGE
- DRIVE GEAR AND DRIVE PINION
- BEARING
- SIDE GEAR AND PINION MATE GEAR
- SIDE GEAR THRUST WASHER AND PINION MATE THRUST WASHER
- OIL SEAL
- DIFFERENTIAL CASE
- COMPANION FLANGE
- Exploded View
- SIDE BEARING PRELOAD
- TOOTH CONTACT
- BACKLASH
- PINION GEAR HEIGHT
- PINION BEARING PRELOAD
- Drive Gear Runout
- Differential Side Gear Clearance
- Companion Flange Runout
- Terms
- Units
- Contents
- Connector Symbols
- SWITCH POSITIONS
- MULTIPLE SWITCH
- PREVIOUS STANDARD
- NEW STANDARD BASED ON ISO
- Recommended Chemical Products and Sealants
- Model Variation
- Dimensions
- Wheels & Tires
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Precautions For Xenon Headlamp Service
- Precaution for Procedure without Cowl Top Cover
- Cautions in Removing Battery Terminal and AV Control Unit (Models with AV Control Unit)
- Three Way Catalyst
- Multiport Fuel Injection System or Engine Control System
- Engine Oils
- HEALTH PROTECTION PRECAUTIONS
- ENVIRONMENTAL PROTECTION PRECAUTIONS
- Air Conditioning
- Fuel
- Commercial Service Tools
- Garage Jack and Safety Stand and 2-Pole Lift
- Board-On Lift
- Tow Truck Towing
- FRONT
- REAR
- AUTOMATIC TRANSMISSION
- CONNECTOR AND TERMINAL PIN KIT
- HOW TO PROBE CONNECTORS
- Probing from Terminal Side
- How to Check Enlarged Contact Spring of Terminal
- Hint
- Sensor & Relay
- Engine Compartment
- Behind the Instrument Panel
- Under Seating Areas
- HEAT SENSITIVE
- FREEZING
- WATER INTRUSION
- ELECTRICAL LOAD
- COLD OR HOT START UP
- Continuity Check Method
- Voltage Check Method
- Resistance Check Method
- VOLTAGE DROP TESTS
- Measuring Voltage Drop - Accumulated Method
- Measuring Voltage Drop - Step-by-Step
- FUNCTION
- ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL: Required Procedure After Battery Disconnection
- DETAILED FLOW
- INITIALIZATION PROCEDURE
- CHECK ANTI-PINCH FUNCTION
- POWER WINDOW SYSTEM
- RETAINED POWER FUNCTION CANCEL CONDITIONS
- POWER WINDOW LOCK FUNCTION
- POWER WINDOW SERIAL LINK
- KEYLESS POWER WINDOW DOWN FUNCTION
- FREEZE FRAME DATA (FFD)
- Data monitor
- Component Function Check
- DRIVER SIDE: Component Function Check
- PASSENGER SIDE: Component Function Check
- REAR LH: Component Function Check
- REAR RH: Component Function Check
- POWER WINDOW MAIN SWITCH: Component Function Check
- FRONT POWER WINDOW SWITCH (PASSENGER SIDE): Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- POWER WINDOW MAIN SWITCH
- FAIL-SAFE CONTROL
- FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Precautions Necessary for Steering Wheel Rotation After Battery Disconnection
- Commercial Service Tools
- DETAILED FLOW
- OUTLINE
- STEP LAMP CONTROL
- Applicable lamps
- INTERIOR ROOM LAMP BATTERY SAVER FUNCTION
- ILLUMINATION CONTROL
- FREEZE FRAME DATA (FFD)
- WORK SUPPORT
- DATA MONITOR
- Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- MAP LAMP BULB
- VANITY MIRROR LAMP BULB
- CIGARETTE LIGHTER ILLUMINATION BULB
- GLOVE BOX LAMP BULB
- FOOT LAMP BULB (DRIVER SIDE)
- FOOT LAMP BULB (PASSENGER SIDE)
- STEP LAMP BULB
- PERSONAL LAMP BULB
- Exploded View
- LUGGAGE ROOM LAMP (LUGGAGE SIDE) BULB
- LUGGAGE ROOM LAMP BULB
- DETAILED FLOW
- MANUAL FUNCTION
- REVERSE INTERLOCK DOOR MIRROR SYSTEM
- DATA MONITOR
- WORK SUPPORT
- MIRROR SWITCH: Component Function Check
- CHANGEOVER SWITCH: Component Function Check
- PHYSICAL VALUES
- Fail Safe
- REAR WIPER MOTOR PROTECTION
- CUSTOMER INTERVIEW
- CHECK RELATED SERVICE BULLETINS
- REPAIR THE CAUSE
- CONFIRM THE REPAIR
- INSTRUMENT PANEL
- CENTER CONSOLE
- DOORS
- TRUNK
- SUNROOF/HEADLINING
- SEATS
- UNDERHOOD
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Commercial Service Tools
- Option model
- Exploded View
- How to Handle Battery
- METHODS OF PREVENTING OVER-DISCHARGE
- Check Electrolyte Level
- Specific Gravity Check
- Charging The Battery
- EXTENDED STORAGE FUSE SWITCH (IF EQUIPPED)
- How To Extended Storage Fuse Switch ON/OFF
- Fusible Link
- Circuit Breaker
- NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Precaution for Procedure without Cowl Top Cover
- Special Service Tools
- Battery
- 2WD
- AWD
- Special Service Tools
- Commercial Service Tools
- OIL LEAKAGE
- SIDE BEARING PRELOAD
- TOOTH CONTACT
- BACKLASH
- DRIVE GEAR AND DRIVE PINION
- BEARING
- SIDE GEAR AND PINION MATE GEAR
- SIDE GEAR THRUST WASHER AND PINION MATE THRUST WASHER
- OIL SEAL
- DIFFERENTIAL CASE
- COMPANION FLANGE
- DRIVE GEAR RUNOUT
- 2WD: Exploded View
- PINION GEAR HEIGHT
- AWD: Exploded View
- COMPANION FLANGE RUNOUT
- Differential Side Gear Clearance
- Drive Pinion Runout (2WD)
- Companion Flange Runout (AWD)
- DETAILED FLOW
- INITIALIZATION PROCEDURE
- ANTI-PINCH FUNCTION
- RETAINED POWER FUNCTION CANCEL CONDITIONS
- FREEZE FRAME DATA (FFD)
- Data monitor
- Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- CUSTOMER INTERVIEW
- CHECK RELATED SERVICE BULLETINS
- REPAIR THE CAUSE
- CONFIRM THE REPAIR
- INSTRUMENT PANEL
- CENTER CONSOLE
- DOORS
- TRUNK
- SEATS
- UNDERHOOD
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Special Service Tool
- Commercial Service Tool
- Exploded View
- DETAILED FLOW
- ECM RE-COMMUNICATING FUNCTION: Special Repair Requirement
- PRECAUTIONS FOR INTELLIGENT KEY SYSTEM
- PRECAUTIONS FOR KEY REGISTRATION
- SECURITY INDICATOR LAMP
- Initial Condition
- Disarmed Phase
- Pre-armed Phase and Armed Phase
- CANCELING THE SET VEHICLE SECURITY SYSTEM
- FREEZE FRAME DATA (FFD)
- WORK SUPPORT
- SELF-DIAG RESULT
- DATA MONITOR
- BCM: Special Repair Requirement
- Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- CAN COMMUNICATION CONTROL
- IGNITION RELAY MALFUNCTION DETECTION FUNCTION
- FRONT WIPER CONTROL
- STARTER MOTOR PROTECTION FUNCTION
- Conditions of Vehicle (Operating Conditions)
- CONDITION OF VEHICLE (OPERATING CONDITION)
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Precaution for Procedure without Cowl Top Cover
- Commercial Service Tools
- DETAILED FLOW
- UNIFIED METER AND A/C AMP.
- BCM
- WARNING CANCEL CONDITIONS
- SELF DIAG RESULT
- DATA MONITOR
- Display Item List
- FREEZE FRAME DATA (FFD)
- Component Function Check
- PHYSICAL VALUES
- FAIL-SAFE
- REAR WIPER MOTOR PROTECTION
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- DETAILED FLOW
- OUTLINE
- FREEZE FRAME DATA (FFD)
- WORK SUPPORT
- DATA MONITOR
- Component Function Check
- PHYSICAL VALUES
- REAR WIPER MOTOR PROTECTION
- Condition of cancellation
- CAN COMMUNICATION CONTROL
- IGNITION RELAY MALFUNCTION DETECTION FUNCTION
- FRONT WIPER CONTROL
- STARTER MOTOR PROTECTION FUNCTION
- FRONT WIPER MOTOR PROTECTION FUNCTION
- REAR WIPER MOTOR PROTECTION FUNCTION
- Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
- Precaution for Procedure without Cowl Top Cover
- Commercial Service Tool
- Clearance between the end of cowl top cover and the top of wiper blade
- Exploded View