Highlander 4WD L4-2.4L (2AZ-FE) (2001): Powertrain Management

Also for this vehicle: Highlander 2WD L4-2.4L (2AZ-FE) (2001), Highlander 2WD V6-3.0L (1MZ-FE) (2003), Highlander 2WD V6-3.3L (3MZ-FE) (2004), Highlander 2WD V6-3.3L (3MZ-FE) Hybrid (2006), Highlander 2WD V6-3.5L (2GR-FE) (2008), Highlander 4WD V6-3.0L (1MZ-FE) (2003), Highlander 4WD V6-3.3L (3MZ-FE) (2004), Highlander 4WD V6-3.3L (3MZ-FE) Hybrid (2007), Highlander 4WD V6-3.5L (2GR-FE) (2008), Highlander 4WD V6-3.5L (2GR-FXE) Hybrid (2011), Highlander LTD 2WD V6-3.0L (1MZ-FE) (2002).

Diagnostics Maintenance Engine General 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
05Hybrid Drive Systems Hybrid Drive Systems: Sections
06Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management111 pages
  - Relays and Modules - Computers and Control Systems106 pages
    Body Control Module › Component Information4 pages
    Locations
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3
    Engine Control Module › Component Information97 pages
    Technical Service Bulletins78 pages
    Customer Interest: › SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    All Technical Service Bulletins for Engine Control Module:39 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    TC002R-03 › Dec › 04 › Engine/Transmission Controls - Resetting ECM Memory2 3 4
    SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    All Other Service Bulletins for Engine Control Module:34 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    TC002R-03 › Dec › 04 › Engine/Transmission Controls - Resetting ECM Memory2 3 4
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Testing and Inspection › Pinout Values and Diagnostic Parameters2
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3
    Oxygen Sensor Relay › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction5 pages
    Fuel Pump Relay › Component Information › Locations2
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3
- Sensors and Switches - Powertrain Management103 pages
  - Sensors and Switches - Computers and Control Systems88 pages
    Air Flow Meter/Sensor › Component Information › Specifications2 3
    Camshaft Position Sensor › Component Information › Specifications2 3
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2 3
    Crankshaft Position Sensor › Component Information › Description and Operation2
    Intake Air Temperature Sensor › Component Information › Locations2
    Knock Sensor › Component Information › Description and Operation2
    Oxygen Sensor › Component Information50 pages
    Technical Service Bulletins › Engine Controls - A/F And O2 Sensor Identification2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…48
    Testing and Inspection › Heated Oxygen Sensor2
    Power Steering Pressure Switch › Component Information › Testing and Inspection
    Throttle Position Sensor › Component Information › Description and Operation2 3
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation2 3 4
    Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Sensors and Switches - Fuel Delivery and Air Induction6 pages
    Air Flow Meter/Sensor › Component Information › Specifications2 3
    Throttle Position Sensor › Component Information › Description and Operation2 3
  - Sensors and Switches - Ignition System9 pages
    Camshaft Position Sensor › Component Information › Specifications2 3
    Crankshaft Position Sensor › Component Information › Description and Operation2
    Ignition Switch › Component Information › Testing and Inspection › Symptom Related Diagnostic Procedures2
    Knock Sensor › Component Information › Description and Operation2
- Tune-up and Engine Performance Checks24 pages
- Computers and Control Systems432 pages
  - Air Flow Meter/Sensor › Component Information › Specifications2 3
  - Intake Air Temperature Sensor › Component Information › Locations2
  - Body Control Module › Component Information4 pages
    Locations
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3
  - Brake Signal › Component Information › Description and Operation
  - Camshaft Position Sensor › Component Information › Specifications2 3
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2 3
  - Cranking Signal › Component Information › Description and Operation2 3 4
  - Crankshaft Position Sensor › Component Information › Description and Operation2
  - Data Link Connector › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Engine Control Module › Component Information97 pages
    Technical Service Bulletins78 pages
    All Technical Service Bulletins for Engine Control Module:39 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    TC002R-03 › Dec › 04 › Engine/Transmission Controls - Resetting ECM Memory2 3 4
    SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Customer Interest: › SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    All Other Service Bulletins for Engine Control Module:34 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    TC002R-03 › Dec › 04 › Engine/Transmission Controls - Resetting ECM Memory2 3 4
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Testing and Inspection › Pinout Values and Diagnostic Parameters2
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Description and Operation2
  - Information Bus › Component Information15 pages
    Locations2 3
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9 10 11 12
  - Knock Sensor › Component Information › Description and Operation2
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3
  - Malfunction Indicator Lamp › Component Information › Description and Operation
  - Oxygen Sensor › Component Information50 pages
    Technical Service Bulletins › Engine Controls - A/F And O2 Sensor Identification2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…48
    Testing and Inspection › Heated Oxygen Sensor2
  - Oxygen Sensor Relay › Component Information › Locations2
  - Power Steering Pressure Switch › Component Information › Testing and Inspection
  - Relays and Modules - Computers and Control Systems106 pages
    Body Control Module › Component Information4 pages
    Locations
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3
    Engine Control Module › Component Information97 pages
    Technical Service Bulletins78 pages
    Customer Interest: › SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    All Technical Service Bulletins for Engine Control Module:39 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    TC002R-03 › Dec › 04 › Engine/Transmission Controls - Resetting ECM Memory2 3 4
    SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    All Other Service Bulletins for Engine Control Module:34 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    TC002R-03 › Dec › 04 › Engine/Transmission Controls - Resetting ECM Memory2 3 4
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Testing and Inspection › Pinout Values and Diagnostic Parameters2
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3
    Oxygen Sensor Relay › Component Information › Locations2
  - Sensors and Switches - Computers and Control Systems88 pages
    Air Flow Meter/Sensor › Component Information › Specifications2 3
    Camshaft Position Sensor › Component Information › Specifications2 3
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2 3
    Crankshaft Position Sensor › Component Information › Description and Operation2
    Intake Air Temperature Sensor › Component Information › Locations2
    Knock Sensor › Component Information › Description and Operation2
    Oxygen Sensor › Component Information50 pages
    Technical Service Bulletins › Engine Controls - A/F And O2 Sensor Identification2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…48
    Testing and Inspection › Heated Oxygen Sensor2
    Power Steering Pressure Switch › Component Information › Testing and Inspection
    Throttle Position Sensor › Component Information › Description and Operation2 3
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation2 3 4
    Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Throttle Position Sensor › Component Information › Description and Operation2 3
  - Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation2 3 4
  - Variable Valve Timing Actuator › Component Information › Technical Service Bulletins6 pages
    All Technical Service Bulletins for Variable Valve Timing Actuator: › EG007-03 › May › 03 › Engine - MIL ON/DTC 1349 (VVTi Actuator) Set2 3
    Customer Interest for Variable Valve Timing Actuator: › EG007-03 › May › 03 › Engine - MIL ON/DTC 1349 (VVTi Actuator) Set2 3
  - Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
- Emission Control Systems11 pages
  - Catalytic Converter › Component Information › Diagrams
  - Early Fuel Evaporation (EFE) › EFE Valve › Component Information › Technical Service Bulletins2 pages
    Recalls for EFE Valve: › NHTSA02V208000 › Jul › 02 › Recall 02V208000: Fuel Vapor Valve Hose Clamp
    All Technical Service Bulletins for EFE Valve: › NHTSA02V208000 › Jul › 02 › Recall 02V208000: Fuel Vapor Valve Hose Clamp
  - Evaporative Emissions System7 pages
    Canister Purge Solenoid › Component Information › Testing and Inspection
    Canister Purge Volume Control Valve › Component Information › Testing and Inspection
    Evaporative Emission Control Canister › Component Information › Testing and Inspection2
    Leak Detection Solenoid, Evaporative System › Component Information › Testing and Inspection
    Refueling Vapor Recovery System › System Information › System Diagnosis2
  - Positive Crankcase Ventilation › Component Information › Testing and Inspection
- Fuel Delivery and Air Induction60 pages
- Ignition System22 pages
- Transmission Control Systems55 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Solenoid, A/T › Component Information › Technical Service Bulletins › A/T - U240E/U241E Solenoid Identification2
  - Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T41 pages
    Malfunction Indicator Lamp - A/T › Component Information › Testing and Inspection
    Overdrive Indicator Lamp › Component Information › Testing and Inspection2
    Shift Indicator › A/T Shift Indicator Module › Component Information38 pages
    Locations › Connector Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T12 pages
    Brake Switch - TCC › Component Information › Locations2
    Overdrive Switch, A/T › Component Information › Testing and Inspection › O/D Cancel Signal Circuit2 3 4
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation2 3 4
    Transmission Speed Sensor, A/T › Component Information › Service and Repair2
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins126 pages
  - All Technical Service Bulletins for PROM - Programmable Read Only Memory:52 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    SSC60I › Dec › 06 › Campaign - ECM Update For MIL ON/DTC P0420/P04302 3 4 5 6 7 8 9 10 11 12 13 14
    EG041-05 › Sep › 05 › Engine Controls - MIL ON/DTC's P0420/P0430 Stored2 3
    SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Recalls: › SSC60I › Dec › 06 › Campaign - ECM Update For MIL ON/DTC P0420/P04302 3 4 5 6 7 8 9 10 11 12 13 14
  - Customer Interest:8 pages
    EG041-05 › Sep › 05 › Engine Controls - MIL ON/DTC's P0420/P0430 Stored2 3
    SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
  - All Other Service Bulletins for PROM - Programmable Read Only Memory:38 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
    EG041-05 › Sep › 05 › Engine Controls - MIL ON/DTC's P0420/P0430 Stored2 3
    SS004R-01 › Sep › 03 › Engine Controls - Error When Reprogramming ECU2 3 4 5
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - All Other Service Bulletins for PROM - Programmable Read Only Memory:14 pages
    SB0064-10 › Feb › 10 › Engine Controls - Techstream(R) ECU Re-Flash Procedure
    SSC60I › Dec › 06 › Campaign - ECM Update For MIL ON/DTC P0420/P04302 3 4 5 6 7 8 9 10 11 12 13 14
    SS002R-01 › Sep › 03 › Engine Controls - ECU Reprogramming Procedure
07Transmission and Drivetrain Transmission and Drivetrain: Sections
08Brakes and Traction Control Brakes and Traction Control: Sections
09Starting and Charging Starting and Charging: Sections
10Power and Ground Distribution Power and Ground Distribution: Sections
11Steering and Suspension Steering and Suspension: Sections
12Heating and Air Conditioning Heating and Air Conditioning: Sections
13Restraint Systems Restraint Systems: Sections
14Accessories and Optional Equipment Accessories and Optional Equipment: Sections
15Body and Frame Body and Frame: Sections
16Cruise Control Cruise Control: Sections
17Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
18Lighting and Horns Lighting and Horns: Sections
19Windows and Glass Windows and Glass: Sections
20Wiper and Washer Systems Wiper and Washer Systems: Sections