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2000 Lexus LS400 Power Source Circuit Wiring Diagram

Lexus LS400 is equipped with electrical devices, such as SRS (Supplemental Restraint System), the combination meter system, Power Seat Control System, Power Mirror Control System, Power Tilt and Telescopic Steering System, Audio system, a mobile communication system, and lighting system. Power source supplying power to any electrical device, which is on the vehicle. It is composed of the battery, fuses and relays, which are located centrally at engine room junction block, engine room No.1 relay Read more […]

Lexus IS200 ECU-EFI Power Source Circuit and Wiring Diagram

Lexus IS200 ECU-EFI Power Source Circuit and Wiring Diagram. When the ignition switch is turned ON, battery positive voltage is applied to terminal IGSW of the engine ECU and the EFI main relay (Marking: EFI) control circuit in the engine ECU sends a signal to the terminal MREL of the engine ECU switching on the EFI main relay.

Lexus ES300 Charging System Circuit

1997 Lexus ES300 Charging System Circuit Diagram. The electrical system is a 12 volt system to run all the electronics on the vehicle and to keep the battery charged. The relay is used to control the flow of current between generator and battery.

Lexus GS430 Electric Cooling Fan System Wiring Diagram

The 2001 Lexus GS430 electric cooling fan controls the fan speed in 3 steps (OFF, Low, High) by using the water temperature switch. Index of Lexus GS430 Electric Cooling Fan System Wiring Diagram. 1. Battery 2. Ignition Switch 3. Fan Main Relay 4. Condenser Fan Motor

2003 Lexus ES300 Speed Sensor Wiring Diagram

The 2003 Lexus ES300 speed sensor detects the wheel speed and sends the appropriate signals to the ECU. The signal are used for control of both the ABS (antilock brake system) and system. The following schematic shows the 2003 Lexus ES300 Speed Sensor Wiring Diagram.