Repair manual
Wiring diagrams
Infiniti M45 III Repair Manual
Step-by-step repair and maintenance instructions for the Infiniti M45 III (2005–2008): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
75sections
849articles
ENManual language
- Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- Precautions Necessary for Steering Wheel Rotation After Battery Disconnect
- Precautions for Procedures without Cowl Top Cover
- Precautions for Working with HFC-134a (R-134a)
- CONTAMINATED REFRIGERANT
- General Refrigerant Precautions
- Precautions for Refrigerant Connection
- FUNCTIONS OF COMPONENT PARTS
- FEATURES OF NEW TYPE REFRIGERANT CONNECTION
- Precautions for Servicing Compressor
- RECOVERY/RECYCLING EQUIPMENT
- ELECTRICAL LEAK DETECTOR
- VACUUM PUMP
- MANIFOLD GAUGE SET
- SERVICE HOSES
- SERVICE COUPLERS
- REFRIGERANT WEIGHT SCALE
- CHARGING CYLINDER
- Precautions for Leak Detection Dye
- Special Service Tools
- HFC-134a (R-134a) Service Tools and Equipment
- Commercial Service Tools
- REFRIGERANT FLOW
- FREEZE PROTECTION
- REFRIGERANT PRESSURE SENSOR
- PRESSURE RELIEF VALVE
- General
- LUBRICANT
- System Construction
- TRANSMISSION DATA AND TRANSMISSION ORDER
- AIR MIX DOOR CONTROL (AUTOMATIC TEMPERATURE CONTROL)
- FAN SPEED CONTROL
- INTAKE DOOR CONTROL
- MODE DOOR CONTROL
- UPPER VENTILATOR DOOR CONTROL
- DISPLAY SCREEN
- MODE SWITCH (DRIVER SIDE)
- MODE SWITCH (PASSENGER SIDE)
- TEMPERATURE CONTROL SWITCH (POTENTIO TEMPERATURE CONTROL) (DRIVER SIDE)
- TEMPERATURE CONTROL SWITCH (POTENTIO TEMPERATURE CONTROL) (PASSENGER SIDE)
- AUTO SWITCH
- DEFROSTER (DEF) SWITCH
- UPPER VENT SWITCH
- A/C SWITCH
- FAN SWITCHES
- OFF SWITCH
- REAR WINDOW DEFOGGER SWITCH
- INTAKE SWITCH
- DUAL SWITCH
- FAN SWITCH
- REAR TEMPERATURE CONTROL SWITCH
- Fail-Safe Function
- CONSULT-II Function (ECM)
- Display Item List
- Auto Amp. Terminals and Reference Value
- TERMINALS AND REFERENCE VALUE FOR UNIFIED METER AND A/C AMP.
- AUXILIARY MECHANISM: TEMPERATURE SETTING TRIMMER
- AUXILIARY MECHANISM: FOOT POSITION SETTING TRIMMER
- AUXILIARY MECHANISM: INLET PORT MEMORY FUNCTION
- CHECKING MEMORY FUNCTION
- CHECKING BLOWER
- CHECKING DISCHARGE AIR (MODE SWITCH AND DEF SWITCH)
- CHECKING DISCHARGE AIR (UPPER VENT SWITCH)
- CHECKING INTAKE AIR
- CHECKING TEMPERATURE DECREASE
- CHECKING TEMPERATURE INCREASE
- CHECKING A/C SWITCH
- CHECKING AUTO MODE
- Power Supply and Ground Circuit for Auto Amp.
- Unified Meter and A/C Amp. (Automatic Amplifier)
- Potentio Temperature Control (PTC)
- LAN System Circuit
- Mode Door Motor Circuit
- Component Parts
- Mode Door Motor
- Upper Ventilator Door Motor Circuit
- Upper Ventilator Door Motor
- Air Mix Door Motor Circuit
- Air Mix Door Motor
- Air Mix Door Motor PBR Circuit
- Intake Door Motor Circuit
- Intake Door Motor
- Blower Motor Circuit
- Automatic Mode
- Starting Fan Speed Control
- Blower Speed Compensation
- Brush-less Motor
- Blower Motor
- Magnet Clutch Circuit
- Low Temperature Protection Control
- Insufficient Cooling
- Both High- and Low-pressure Sides are Too High
- High-pressure Side is Too High and Low-pressure Side is Too Low
- High-pressure Side is Too Low and Low-pressure Side is Too High
- Both High- and Low-pressure Sides are Too Low
- Low-pressure Side Sometimes Becomes Negative
- Low-pressure Side Becomes Negative
- Insufficient Heating
- Memory Function
- Ambient Sensor
- AMBIENT TEMPERATURE INPUT PROCESS
- In-vehicle Sensor
- Aspirator
- Sunload Sensor
- SUNLOAD INPUT PROCESS
- Intake Sensor
- FUNCTION
- Driver Side
- Passenger Side
- Discharging Refrigerant
- Components
- Check Disc to Pulley Clearance
- Checking for Refrigerant Leaks
- Checking System for Leaks Using the Fluorescent Leak Detector
- Dye Injection
- PRECAUTIONS FOR HANDLING LEAK DETECTOR
- CHECKING PROCEDURE
- Compressor
- Refrigerant
- Engine Idling Speed
- Belt Tension
- LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COMPRESSOR
- LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACEMENT
- REMOVAL
- INSTALLATION
- REPLACEMENT TIMING
- REPLACEMENT PROCEDURES
- Removal of Center Ventilator Grilles
- Removal of Side Ventilator Grilles
- Removal of Upper Ventilator Grille
- Removal of Upper Ventilator Duct
- Removal of Side Defroster Grilles
- Removal of Side Defroster Ducts
- Removal of Rear Ventilator Grille
- Removal of Rear Floor Grilles
- Precautions for Procedures without Cowl Top Cover
- Precautions Necessary for Steering Wheel Rotation After Battery Disconnect
- Precautions for Disconnecting Fuel Piping
- Special Service Tools
- Commercial Service Tools
- Checking Drive Belts
- Intake Manifold (Lower)
- Intake Manifold (Upper)
- Electric Throttle Control Actuator
- Water Hose
- Vacuum Hose
- Exhaust Manifold Gasket
- Air Fuel Ratio Sensor
- Check on Fuel Leakage
- Components
- Timing Chain
- CAMSHAFT JOURNAL OIL CLEARANCE
- Valve Lifter and Adjusting Shim
- VALVE LIFTER CLEARANCE
- Cylinder Head Distortion
- Valve Stem Diameter
- Valve Guide Inner Diameter
- Valve Guide Clearance
- VALVE SEAT CONTACT
- VALVE SPRING SQUARENESS
- Outline
- Preparation
- Engine Room LH
- Engine Room RH
- Vehicle inside
- Vehicle Underbody
- When New Cylinder Block is Used
- When Cylinder Block is Reused
- Piston Selection Table
- When New Connecting Rod and Crankshaft are Used
- When Crankshaft and Connecting Rod are Reused
- Connecting Rod Bearing Selection Table
- When Cylinder Block and Crankshaft are Reused
- Main Bearing Grade Table (All Journals)
- Piston Pin Hole Diameter
- Piston to Piston Pin Oil Clearance
- Connecting Rod Bushing Inner Diameter
- Connecting Rod Bushing Oil Clearance
- Piston to Cylinder Bore Clearance
- Re-boring Cylinder Bore
- CRANKSHAFT MAIN JOURNAL DIAMETER
- Method of Using Plastigage
- MAIN BEARING OIL CLEARANCE
- DRIVE PLATE
- DRIVE BELTS
- INTAKE MANIFOLD AND EXHAUST MANIFOLD
- SPARK PLUG
- CAMSHAFT AND CAMSHAFT BEARING
- Valve Lifter
- Valve Clearance
- Available Adjusting Shims
- CYLINDER HEAD
- Valve Dimensions
- Valve Guide
- Valve Spring
- CYLINDER BLOCK
- Piston Ring
- Piston Pin
- CONNECTING ROD
- CRANKSHAFT
- MAIN BEARING
- Undersize
- 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
- Diagnostic Trouble Code Definitions - General Information
- Precautions Necessary for Steering Wheel Rotation after Battery Disconnect
- Service Notice or Precautions
- Special Service Tools
- Commercial Service Tools
- Drive Gear Runout
- Backlash
- Differential Side Gear Clearance
- Pinion Bearing Preload
- COMPANION FLANGE RUNOUT
- Side Gear Thrust Washer
- Pinion Height Adjusting Washer
- Drive Pinion Bearing Adjusting Washer
- Drive Pinion Adjusting Washer
- Side Bearing Adjusting Shim
- Side Bearing Adjusting Washer
- Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- Precautions for NVIS/IVIS (NISSAN/INFINITI VEHICLE IMMOBILIZER SYSTEM - NATS) (If Equipped)
- Precautions Necessary for Steering Wheel Rotation After Battery Disconnect
- Precautions for Procedures without Cowl Top Cover
- Precautions for Three Way Catalyst
- Precautions for Fuel (Unleaded Premium Gasoline Recommended)
- Precautions for Fuel (Unleaded Premium Gasoline Required)
- Precautions for Multiport Fuel Injection System or Engine Control System
- Precautions for Engine Oils
- HEALTH PROTECTION PRECAUTIONS
- Precautions for Air Conditioning
- Terms
- Units
- Contents
- CONNECTOR SYMBOLS
- Component Indication
- Switch Positions
- Detectable Lines and Non-Detectable Lines
- Multiple Switch
- CONNECTOR AND TERMINAL PIN KIT
- HOW TO PROBE CONNECTORS
- MALE TERMINAL
- How to Check Enlarged Contact Spring of Terminal
- HINT
- SENSORS & RELAYS
- 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
- INPUT-OUTPUT VOLTAGE CHART
- Checking Equipment
- CONSULT-II Start Procedure
- Special Service Tools
- Garage Jack and Safety Stand and 2-Pole Lift
- Board-On Lift
- Tow Truck Towing
- FRONT
- REAR
- AUTOMATIC TRANSMISSION
- Recommended Chemical Products and Sealants
- Model Variation
- Dimensions
- Wheels & Tires
- SAE J1930 Terminology List
- Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- Precautions for Procedures without Cowl Top Cover
- Handling for Adhesive and Primer
- Special Service Tools
- Commercial Service Tools
- CUSTOMER INTERVIEW
- CHECK RELATED SERVICE BULLETINS
- REPAIR THE CAUSE
- CONFIRM THE REPAIR
- INSTRUMENT PANEL
- CENTER CONSOLE
- DOORS
- TRUNK
- SUNROOF/HEADLINING
- SEATS
- UNDERHOOD
- Repairing Water Leaks for Windshield
- WINDOW UP
- WINDOW DOWN
- POWER WINDOW SERIAL LINK
- POWER WINDOW LOCK
- ANTI-PINCH SYSTEM
- INITIALIZATION
- FAIL-SAFE CONTROL
- POWER WINDOW CONTROL BY THE KEY CYLINDER SWITCH
- CAN Communication Unit
- Terminal and Reference Value for BCM
- Terminal and Reference Value for Power Window Main Switch
- Terminal and Reference Value for (Front and Rear) Power Window Sub-Switch
- CONSULT-II Function (BCM)
- WORK SUPPORT
- DATE MONITOR
- Work Flow
- Power Window Serial Link Check (Rear LH or RH)
- Power Window Lock Switch Check
- Repairing Water Leaks
- SYSTEM INITIALIZATION
- Terminal and Reference Value for IPDM E/R
- Display Item List
- BCM Power Supply and Ground Circuit Check
- REPAIR EQUIPMENT
- MIRROR ANGLE MEMORY FUNCTION
- Terminals and Reference Values for Automatic Drive Positioner Control Unit
- Terminals and Reference Values for Driver Seat Control Unit
- CONSULT-II Function (AUTO DRIVE POS.)
- Selection from Menu
- Check A/T Control Device R Position Circuit
- Automatic Drive Positioner Interlocking Door Mirror
- Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- OUTLINE
- COMBINATION SWITCH READING FUNCTION
- EXTERIOR LAMP BATTERY SAVER CONTROL
- CAN Communication Unit
- Terminals and Reference Values for BCM
- Terminals and Reference Values for IPDM E/R
- CONSULT-II Functions (BCM)
- Display Item List
- CONSULT-II Functions (IPDM E/R)
- All Signals, Main Signals, Selection From Menu
- High Beam Indicator Lamp Does Not Illuminate
- PREPARATION BEFORE ADJUSTING
- LOW BEAM AND HIGH BEAM
- HEADLAMP (INNER) HIGH BEAM
- HEADLAMP (OUTER) LOW BEAM
- PARKING LAMP (CLEARANCE) LAMP
- FRONT TURN SIGNAL LAMP
- FRONT SIDE MARKER LAMP
- XENON HEADLAMP
- PARKING LAMP (CLEARANCE LAMP)
- DELAY TIMER FUNCTION
- Major Components and Functions
- SETTING CHANGE FUNCTIONS
- Work Support Setting Item
- When The Steering Wheel Is Turned To The Left
- When The Steering Wheel Is Turned To The Right
- SWIVEL ACTUATOR INITIALIZATION
- AFS CONTROL UNIT
- SWIVEL ACTUATOR
- AIMING MOTOR
- AFS SWITCH
- HEIGHT SENSOR
- STEERING ANGLE SENSOR
- IPDM E/R
- ECM
- TCM
- UNIFIED METER AND A/C AMP.
- COMBINATION METER
- Terminals and Reference Values for AFS Control Unit
- CONSULT-II Function (ADAPTIVE LIGHT)
- Work Support Item List
- Data Monitor item
- Preliminary Check
- LH Turn Signal Lamp
- RH Turn Signal Lamp
- Turn Signal Indicator Lamp Does Not Operate
- Parking, License Plate and Tail Lamps Do Not Turn OFF (After Approx. 10 Minutes)
- REAR TURN SIGNAL LAMP BULB, STOP/TAIL LAMP BULB
- Rear Fender Side
- POWER SUPPLY AND GROUND
- CONDITIONS FOR CANCELING TIMER
- INTERIOR ROOM LAMP BATTERY SAVER FUNCTION
- Headlamp
- Exterior Lamp
- Interior Lamp/Illumination
- System Description
- Low Beam Operation
- High Beam Operation/Flash-to-Pass Operation
- AUTO LIGHT OPERATION
- CAN Communication System Description
- CONSULT-II BASIC OPERATION
- Operation Procedure
- General Information for Xenon Headlamp Trouble Diagnosis
- High Beam Operation (When Daytime Light Does Not Operate)/Flash-to-Pass Operation
- DAYTIME LIGHT OPERATION
- AFS OFF INDICATOR OPERATION
- HEADLAMP AUTO AIMING OPERATION
- Auto Aiming Operation
- Description of DTC and Solutions after Detection
- FOG LAMP OPERATION
- TURN SIGNAL OPERATION
- HAZARD LAMP OPERATION
- OPERATION BY LIGHTING SWITCH
- ROOM LAMP TIMER BASIC OPERATION
- SWITCH OPERATION
- ROOM LAMP TIMER OPERATION
- ROOM LAMP TIMER INAPPLICABLE LAMPS OPERATION
- ILLUMINATION OPERATION BY LIGHTING SWITCH
- Fuse
- Fusible Link
- Circuit Breaker
- SYSTEMS CONTROLLED BY IPDM E/R
- CAN COMMUNICATION LINE CONTROL
- IPDM E/R STATUS CONTROL
- CAN Communication Unit
- Function of Detecting Ignition Relay Malfunction
- CONSULT-II Function (IPDM E/R)
- Display Item List
- All Signals, Main Signals, Selection From Menu
- CAN DIAG SUPPORT MNTR
- PUSH-BUTTON IGNITION SWITCH OPERATING PROCEDURE
- Terminals and Reference Value for Intelligent Key Unit
- Terminals and Reference Value for PDU
- Work Flow
- Check CAN Communication System
- To Use the Grid Reference
- CONNECTOR SYMBOL
- NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
- DUPLICATE THE NOISE AND TEST DRIVE
- Generic Squeak and Rattle Troubleshooting
- CONSULT-II INSPECTION PROCEDURE
- ACTIVE TEST
- Symptom Chart
- CAN Communication Inspection Using CONSULT-II (Self-Diagnosis) — Part 1
- CAN Communication Inspection Using CONSULT-II (Self-Diagnosis) — Part 2
- Trouble Diagnoses Symptom Chart
- Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
- Service Notice or Precautions
- Special Service Tools
- Commercial Service Tools
- AWD CONTROL UNIT
- AWD SYSTEM
- AWD Warning Lamp Indication
- FUNCTION
- CONSULT-II SETTING PROCEDURE
- Display Item List
- AWD CONTROL UNIT PART NUMBER
- Data are reference value.
- CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
- While Driving, AWD Warning Lamp Flashes Rapidly (When Flashing in Approx. 1 Minute and Then Turning OFF)
- While Driving, AWD Warning Lamp Flashes Slowly (When Continuing to Flash until Turning Ignition Switch OFF)
- Cases
- Bearing
- Shaft
- Gears and Chain