GS 400 V8-4.0L (1UZ-FE) (1999): Relays and Modules

Also for this vehicle: GS 300 L6-3.0L (2JZ-GE) (1993), GS 300 RWD V6-3.0L (3GR-FSE) (2006), GS 350 AWD V6-3.5L (2GR-FSE) (2009), GS 350 RWD V6-3.5L (2GR-FSE) (2007), GS 430 V8-4.3L (3UZ-FE) (2004), GS 450h V6-3.5L (2GR-FSE) Hybrid (2007), GS 460 V8-4.6L (1UR-FSE) (2008).

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

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01Relays and Modules Relays and Modules: Sections
- Relays and Modules - Accessories and Optional Equipment67 pages
- Relays and Modules - Body and Frame20 pages
- Relays and Modules - Brakes and Traction Control31 pages
- Relays and Modules - Cooling System › Radiator Cooling Fan Motor Relay › Component Information › Testing and Inspection › Cooling Fan Relay(s)2 3 4
- Relays and Modules - HVAC8 pages
- Relays and Modules - Instrument Panel › Instrument Panel Control Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
- Relays and Modules - Lighting and Horns86 pages
  - Daytime Running Lamp Relay › Component Information › Testing and Inspection2
  - Fog/Driving Lamp Relay › Component Information › Testing and Inspection
  - Headlamp Control Module › Component Information48 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…46
    Description and Operation › Automatic Light Control2
  - Headlamp Dimmer Relay › Component Information › Testing and Inspection
  - Headlight Relay <--> [Headlamp Relay] › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Horn Relay › Component Information › Testing and Inspection
  - Taillight Relay <--> [Tail Lamp Relay] › Component Information18 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Component Inspection2 3
- Relays and Modules - Power and Ground Distribution › Relay Box › Component Information › Testing and Inspection › Engine Room No. 2 Relay Block2 3
- Relays and Modules - Powertrain Management68 pages
  - Relays and Modules - Computers and Control Systems50 pages
    Body Control System <--> [Body Control Module] › Component Information › Locations › Body No. 1 Control System2 3 4
    Electric Throttle Control System <--> [Electronic Throttle Control Module] › Component Information › Description and Operation
    Engine Control Module › Component Information43 pages
    Technical Service Bulletins › Engine Controls - ECM Memory Reset After A/T Service2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
    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 3 4 5 6 7 8
    EFI Main Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction18 pages
    Fuel Pump Control Unit › Component Information16 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
    EFI Main Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
- Relays and Modules - Restraint Systems19 pages
  - Air Bag Control Module › Component Information18 pages
    Specifications2 3 4
    Description and Operation › Airbag Sensor Assembly2
    Testing and Inspection › Airbag Sensor Assembly2
    Service and Repair › Airbag Sensor Assembly2 3 4 5 6 7 8 9 10
  - Seat Occupant Classification Module - Air Bag › Component Information › Technical Service Bulletins › Restraints - OCS System Initialization
- Relays and Modules - Starting and Charging › Starter Relay › Component Information › Testing and Inspection
- Relays and Modules - Steering and Suspension › Relays and Modules - Steering41 pages
  - Steering Column Control Module › Component Information20 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › B2620 - ECU Power Source Circuit Malfunction2 3 4 5
  - Steering Control Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
- Relays and Modules - Windows and Glass2 pages
  - Heated Glass Element Relay › Component Information › Testing and Inspection
  - Power Window Relay › Component Information › Testing and Inspection
- Relays and Modules - Wiper and Washer Systems › Headlamp Washer Motor Relay › Component Information › Testing and Inspection
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
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