Pathfinder 4WD V6-2960cc 3.0L SOHC (VG30i) (1988): Powertrain Management

Also for this vehicle: Pathfinder 2WD V6-2960cc 3.0L SOHC (VG30i) (1989), Pathfinder 2WD V6-2960cc 3.0L SOHC MFI (VG30E) (1993), Pathfinder 2WD V6-3.5L (VQ35) (2003), Pathfinder 2WD V6-4.0L (VQ40DE) (2009), Pathfinder 2WD V8-5.6L (VK56DE) (2008), Pathfinder 4WD L4-2389cc 2.4L SOHC (Z24i) (1987), Pathfinder 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1990), Pathfinder 4WD V6-3.3L (VG33E) (1996), Pathfinder 4WD V6-3.5L (VQ35) (2004), Pathfinder 4WD V6-4.0L (VQ40) (2005), Pathfinder 4WD V6-4.0L (VQ40DE) (2006), Pathfinder 4WD V8-5.6L (VK56DE) (2008), Pathfinder Armada 4WD V8-5.6L (VK56) (2004), Pathfinder LE 2WD V6-3.3L (VG33E) (1999), Pathfinder LE 2WD V6-3.5L (VQ35) (2001), Pathfinder LE 4WD V6-3.3L (VG33E) (1997), Pathfinder LE 4WD V6-3.5L (VQ35) (2002), Pathfinder SE 2WD V6-3.3L (VG33E) (1999), Pathfinder SE 2WD V6-3.5L (VQ35) (2001), Pathfinder SE 4WD V6-3.5L (VQ35) (2002), Pathfinder XE 2WD V6-3.3L (VG33E) (1997), Pathfinder XE 2WD V6-3.5L (VQ35) (2001).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management50 pages
  - Relays and Modules - Computers and Control Systems38 pages
    Engine Control Module › Component Information › Technical Service Bulletins › ECM - Green or Blue Relay Caution2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…31
    ECCS (Engine Management) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information7 pages
    Technical Service Bulletins › ECM - Green or Blue Relay Caution2
    Locations › Main Relay2 3 4 5
  - Relays and Modules - Emission Control Systems › Positive Temp Coefficient (PTC) Relay <--> [EFE Relay] › Component Information › Locations
  - Relays and Modules - Fuel Delivery and Air Induction9 pages
    Fuel Pump Relay › Component Information › Locations2
    ECCS (Engine Management) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information7 pages
    Technical Service Bulletins › ECM - Green or Blue Relay Caution2
    Locations › Main Relay2 3 4 5
  - Relays and Modules - Ignition System › Power Transistor <--> [Ignition Control Module] › Component Information › Locations2
- Sensors and Switches - Powertrain Management47 pages
- Tune-up and Engine Performance Checks33 pages
  - Fuel Pressure › System Information › Specifications › Fuel System Pressure - Carburetted and TBI2
  - Air/Fuel Mixture › System Information › Adjustments2 3 4
  - Idle Speed › System Information › Technical Service Bulletins16 pages
    All Technical Service Bulletins for Idle Speed:8 pages
    96-032 › Apr › 96 › Engine Controls - Idle, Base Idle & Timing, Startability2
    88-077 › Jun › 88 › Fuel - Driveability/Lack of Power/Poor Idle2
    EF88012 › Jun › 88 › Fuel - Rough, Erratic or No Idle Condition2
    HA88005 › Apr › 88 › Engine - Idle Speed Adjustment During A/C Test2
    Customer Interest:4 pages
    88-077 › Jun › 88 › Fuel - Driveability/Lack of Power/Poor Idle2
    EF88012 › Jun › 88 › Fuel - Rough, Erratic or No Idle Condition2
    All Other Service Bulletins for Idle Speed:4 pages
    96-032 › Apr › 96 › Engine Controls - Idle, Base Idle & Timing, Startability2
    HA88005 › Apr › 88 › Engine - Idle Speed Adjustment During A/C Test2
  - Air Cleaner Housing › Air Filter Element › Component Information › Testing and Inspection
  - Fuel Filter › Component Information › Locations2
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Locations
  - Distributor, Ignition › Component Information3 pages
    Technical Service Bulletins › Remanufactured Distributor - Program
    Service and Repair › Distributor Service Models W/ Crank Angle Sensor2
  - Spark Plug › Component Information › Specifications
  - Compression Check › System Information › Specifications
- Computers and Control Systems148 pages
- Emission Control Systems54 pages
  - Air Injection12 pages
    Air Induction Valve Solenoid <--> [Air Injection Vacuum Control Solenoid Valve] › Component Information › Locations2 3 4
    Air Induction Valve <--> [Pulsair Valve, Secondary Air Injection] › Component Information3 pages
    Description and Operation
    Testing and Inspection › Air Injection Valve2
    Pulsed Secondary Air Injection › Component Information › Locations › AIV Case For Cold AIV2 3 4
    Thermal Vacuum Valve, Air Injection › Component Information › Testing and Inspection
  - Catalytic Converter › Component Information4 pages
    Technical Service Bulletins › Oxygen Sensor - Thread Cleaning and Other Precautions2
    Description and Operation › Single Stage Converter2
  - Deceleration Valve › Component Information3 pages
    Description and Operation
    Testing and Inspection › Anti-Backfire Valve2
  - Early Fuel Evaporation (EFE)2 pages
    Positive Temperature Coefficient (PTC) Heater <--> [EFE Heater] › Component Information › Locations
    Positive Temp Coefficient (PTC) Relay <--> [EFE Relay] › Component Information › Locations
  - Evaporative Emissions System3 pages
    Canister Purge Control Valve › Component Information › Description and Operation
    Evaporative Emission Control Canister › Component Information › Locations2
  - Exhaust Gas Recirculation24 pages
    EGR Backpressure Transducer › Component Information › Description and Operation2 3
    EGR Control Solenoid › Component Information4 pages
    Locations2
    Testing and Inspection › Vacuum Switching Valve2
    EGR Temperature Sensor › Component Information › Specifications
    EGR Valve › Component Information › Locations2 3 4 5 6
    Exhaust Pressure Regulator Vacuum Valve, EGR › Component Information › Description and Operation › Vacuum Control Modulator2
    Thermal Vacuum Valve (TVV) <--> [Thermal Vacuum Valve, EGR] › Component Information › Testing and Inspection
    Vacuum Amplifier, EGR › Component Information › Description and Operation2
    Vacuum Check Valve, EGR › Component Information › Description and Operation2
    Vacuum Control Flap Switchover Valve, EGR › Component Information › Description and Operation
    Vacuum Delay Valve, EGR › Component Information › Description and Operation2
  - Positive Crankcase Ventilation › Component Information › Description and Operation2
  - Relays and Modules - Emission Control Systems › Positive Temp Coefficient (PTC) Relay <--> [EFE Relay] › Component Information › Locations
  - Sensors and Switches - Emission Control Systems › EGR Temperature Sensor › Component Information › Specifications
  - Thermostatic Air Cleaner › Component Information › Description and Operation2
- Fuel Delivery and Air Induction79 pages
  - Fuel Pressure › System Information › Specifications › Fuel System Pressure - Carburetted and TBI2
  - Idle Speed › System Information › Technical Service Bulletins16 pages
    All Technical Service Bulletins for Idle Speed:8 pages
    96-032 › Apr › 96 › Engine Controls - Idle, Base Idle & Timing, Startability2
    88-077 › Jun › 88 › Fuel - Driveability/Lack of Power/Poor Idle2
    EF88012 › Jun › 88 › Fuel - Rough, Erratic or No Idle Condition2
    HA88005 › Apr › 88 › Engine - Idle Speed Adjustment During A/C Test2
    Customer Interest:4 pages
    88-077 › Jun › 88 › Fuel - Driveability/Lack of Power/Poor Idle2
    EF88012 › Jun › 88 › Fuel - Rough, Erratic or No Idle Condition2
    All Other Service Bulletins for Idle Speed:4 pages
    96-032 › Apr › 96 › Engine Controls - Idle, Base Idle & Timing, Startability2
    HA88005 › Apr › 88 › Engine - Idle Speed Adjustment During A/C Test2
  - Air/Fuel Mixture › System Information › Adjustments2 3 4
  - Air Cleaner Housing › Air Filter Element › Component Information › Testing and Inspection
  - Air Flow Meter/Sensor › Component Information › Specifications2
  - Fuel Accumulator › Component Information › Description and Operation
  - Fuel Filter › Component Information › Locations2
  - Fuel Injector › Component Information › Technical Service Bulletins10 pages
    All Technical Service Bulletins for Fuel Injector:5 pages
    92086 › Oct › 92 › Fuel - Injector Replacement Guidelines2 3
    88-077 › Jun › 88 › Fuel - Driveability/Lack of Power/Poor Idle2
    Customer Interest: › 88-077 › Jun › 88 › Fuel - Driveability/Lack of Power/Poor Idle2
    All Other Service Bulletins for Fuel Injector: › 92086 › Oct › 92 › Fuel - Injector Replacement Guidelines2 3
  - Fuel Pressure Regulator › Component Information › Locations
  - Fuel Pump4 pages
    Fuel Pressure › System Information › Specifications › Fuel System Pressure - Carburetted and TBI2
    Fuel Pump Relay › Component Information › Locations2
  - Fuel Tank › Component Information › Specifications2 3
  - Auxiliary Air Control (AAC) Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Specifications
  - Fast Idle Control Device (F.I.C.D.) <--> [Idle Up Control Valve] › Component Information › Locations2
  - Idle/Altitude Compensator (Non Comp. Controlled) › Component Information › Description and Operation
  - ECCS (Engine Management) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information7 pages
    Technical Service Bulletins › ECM - Green or Blue Relay Caution2
    Locations › Main Relay2 3 4 5
  - Relays and Modules - Fuel Delivery and Air Induction9 pages
    Fuel Pump Relay › Component Information › Locations2
    ECCS (Engine Management) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information7 pages
    Technical Service Bulletins › ECM - Green or Blue Relay Caution2
    Locations › Main Relay2 3 4 5
  - Sensors and Switches - Fuel Delivery and Air Induction7 pages
    Air Flow Meter/Sensor › Component Information › Specifications2
    Throttle Position Sensor › Component Information › Locations
    Throttle Position Switch › Component Information › Locations2 3 4
  - Electro Injection Unit (TBI Type Fuel Inj) <--> [Throttle Body] › Component Information › Description and Operation
  - Throttle Position Sensor › Component Information › Locations
  - Throttle Position Switch › Component Information › Locations2 3 4
- Ignition System23 pages
- Transmission Control Systems7 pages
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T3 pages
    Lock-Up Control Unit <--> [Control Module, A/T] › Component Information › Locations2
    Neutral/Park (NP) Relay <--> [Transmission Position Relay, A/T] › Component Information › Locations
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T4 pages
    Downshift Switch, A/T › Component Information › Locations2
    Neutral Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Testing and Inspection
    Transmission Speed Sensor, A/T › Component Information › Service and Repair
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections