Celica GT L4-1.8L (1ZZ-FE) (2001): Powertrain Management

Also for this vehicle: Celica 2WD L4-2.0L (3S-FE) (1988), Celica Coupe L4-107.5 1762cc 1.8L DOHC (7A-FE) (1995), Celica Coupe L4-132 2164cc 2.2L DOHC (5S-FE) (1992), Celica GT Convertible L4-2164cc 2.2L DOHC MFI (1997), Celica GT Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI (1999), Celica GT Liftback L4-2164cc 2.2L DOHC MFI (1998), Celica GT Ltd Ed Convertible L4-2164cc 2.2L DOHC MFI (1997), Celica GT-S L4-1.8L (2ZZ-GE) (2000), Celica L4-1.8L (1ZZ-FE) (2004), Celica L4-1.8L (2ZZ-GE) (2005), Celica L4-122 1998cc 2.0L DOHC Turbo (3S-GTE) (1990), Celica L4-132 2164cc 2.2L DOHC (5S-FE) (1993), Celica L4-1998cc 2.0L DOHC (3S-GE) (1986), Celica L4-2366cc 22R (1983), Celica L4-96.8 1587cc 1.6L DOHC (4A-FE) (1990), Celica Liftback L4-107.5 1762cc 1.8L DOHC (7A-FE) (1995), Celica Liftback L4-122 1998cc 2.0L DOHC Turbo (3S-GTE) (1992), Celica ST Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI (1998), Celica ST Ltd Ed Liftback L4-1762cc 1.8L DOHC MFI (1997), Celica Supra L6-2759cc 5M Ser (1982), Celica Supra L6-3.0L DOHC (7M-GE) (1986).

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

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

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 Management98 pages
  - Relays and Modules - Computers and Control Systems94 pages
    Body Control Module › Component Information55 pages
    Locations
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…54
    Engine Control Module › Component Information38 pages
    Technical Service Bulletins › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Testing and Inspection › Component Tests and General Diagnostics2
    Main Relay (Computer/Fuel System) › Component Information › Testing and Inspection
  - Relays and Modules - Fuel Delivery and Air Induction2 pages
    Fuel Pump Relay › Component Information › Testing and Inspection
    Main Relay (Computer/Fuel System) › Component Information › Testing and Inspection
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information › Locations2
- Sensors and Switches - Powertrain Management115 pages
  - Sensors and Switches - Computers and Control Systems86 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3 4 5
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2 3
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5 6
    Intake Air Temperature Sensor › Component Information › Locations
    Knock Sensor › Component Information › Locations2 3
    Oxygen Sensor › Component Information › Technical Service Bulletins › Engine Controls - Bank 1/Bank 2 O2 Sensor identification2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…43
    Throttle Position Sensor › Component Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
    Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair2
    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 - Emission Control Systems › Evaporative Vapor Pressure Sensor › Component Information › Locations2 3 4
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3 4 5
    Throttle Position Sensor › Component Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
  - Sensors and Switches - Ignition System17 pages
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5 6
    Ignition Switch › Component Information3 pages
    Locations
    Testing and Inspection › Symptom Related Diagnostic Procedures2
    Knock Sensor › Component Information › Locations2 3
- Tune-up and Engine Performance Checks30 pages
- Computers and Control Systems425 pages
  - Air Flow Meter/Sensor › Component Information › Locations2 3 4 5
  - Intake Air Temperature Sensor › Component Information › Locations
  - Body Control Module › Component Information55 pages
    Locations
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…54
  - Camshaft Position Sensor › Component Information › Locations2 3 4 5
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2 3
  - Crankshaft Position Sensor › Component Information › Locations2 3 4 5 6
  - Data Link Connector › Component Information17 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Engine Control Module › Component Information38 pages
    Technical Service Bulletins › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Testing and Inspection › Component Tests and General Diagnostics2
  - Idle Speed/Throttle Actuator - Electronic › Component Information4 pages
    Locations2
    Testing and Inspection › Component Inspection2
  - Information Bus › Component Information34 pages
    Locations › Ground Locations2 3 4 5 6 7 8 9
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
    Testing and Inspection › Initial Inspection and Diagnostic Overview
  - Knock Sensor › Component Information › Locations2 3
  - Main Relay (Computer/Fuel System) › Component Information › Testing and Inspection
  - Oxygen Sensor › Component Information › Technical Service Bulletins › Engine Controls - Bank 1/Bank 2 O2 Sensor identification2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…43
  - Relays and Modules - Computers and Control Systems94 pages
    Body Control Module › Component Information55 pages
    Locations
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…54
    Engine Control Module › Component Information38 pages
    Technical Service Bulletins › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Testing and Inspection › Component Tests and General Diagnostics2
    Main Relay (Computer/Fuel System) › Component Information › Testing and Inspection
  - Sensors and Switches - Computers and Control Systems86 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3 4 5
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2 3
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5 6
    Intake Air Temperature Sensor › Component Information › Locations
    Knock Sensor › Component Information › Locations2 3
    Oxygen Sensor › Component Information › Technical Service Bulletins › Engine Controls - Bank 1/Bank 2 O2 Sensor identification2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…43
    Throttle Position Sensor › Component Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
    Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair2
    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 Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
  - Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair2
  - Variable Valve Timing Actuator › Component Information10 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Variable Valve Timing Actuator: › EG009-03 › May › 03 › Engine - MIL ON/DTC 1349 Set2 3 4
    Customer Interest for Variable Valve Timing Actuator: › EG009-03 › May › 03 › Engine - MIL ON/DTC 1349 Set2 3 4
    Testing and Inspection › Component Inspection2
  - 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 Systems22 pages
- Fuel Delivery and Air Induction68 pages
  - Fuel Pressure › System Information › Specifications › Pressure Specification2
  - Fuel Pressure Release › System Information › Service and Repair2 3 4 5
  - Idle Speed › System Information › Specifications2
  - Air/Fuel Mixture › System Information › System Diagnosis
  - Air Flow Meter/Sensor › Component Information › Locations2 3 4 5
  - Fuel › Component Information › Technical Service Bulletins › Exhaust System - Sulfur Smell
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair2 3 4 5
  - Fuel Injector › Component Information8 pages
    Technical Service Bulletins › Fuel System - Fuel Injector Cleaning Procedure2
    Specifications › Electrical Specifications2
    Testing and Inspection › On-Vehicle Inspection2 3 4
  - Fuel Pressure Regulator › Component Information › Locations2 3
  - Fuel Pump3 pages
    Fuel Pressure › System Information › Specifications › Pressure Specification2
    Fuel Pump Relay › Component Information › Testing and Inspection
  - Fuel Return Line › Component Information › Locations2 3
  - Fuel Supply Line › Component Information › Locations2 3
  - Fuel Tank › Fuel Gauge Sender › Component Information › Locations2
  - Idle Speed/Throttle Actuator - Electronic › Component Information4 pages
    Locations2
    Testing and Inspection › Component Inspection2
  - Main Relay (Computer/Fuel System) › Component Information › Testing and Inspection
  - Relays and Modules - Fuel Delivery and Air Induction2 pages
    Fuel Pump Relay › Component Information › Testing and Inspection
    Main Relay (Computer/Fuel System) › Component Information › Testing and Inspection
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3 4 5
    Throttle Position Sensor › Component Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
  - Throttle Body › Component Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
  - Throttle Position Sensor › Component Information3 pages
    Locations
    Testing and Inspection › On-Vehicle Inspection2
  - Variable Induction System › Variable Induction Control Solenoid › Component Information › Locations2 3 4
- Ignition System47 pages
- Transmission Control Systems36 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › System Information › Technical Service Bulletins › A/T - U340E, U341E Solenoid Identification2
  - Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Transmission Mode Indicator - A/T › Component Information28 pages
    Locations › Ground Locations2 3 4 5 6 7 8 9
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Shift Interlock Control Module › Component Information › Locations
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T5 pages
    Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair2
    Transmission Speed Sensor, A/T › Component Information › Service and Repair
    Transmission Temperature Sensor/Switch, A/T › Component Information › Service and Repair2
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins › Engine Controls - Techstream(R) ECU Re-Flash Procedure2 3 4 5 6 7 8 9 10 11 12 13 14 15
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