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.
Archives for Automotive
1993 Toyota Pickup Air Conditioning Electrical System Wiring
The 1993 Toyota Pickup air conditioning electrical system consists of battery, ignition switch, heater relay, blower switch, heater, blower motor, low pressure switch, A/C switch, A/C amplifier, thermistor, and magnetic clutch. The following figure illustrates the 1993 Toyota Pickup Air Conditioning Electrical System Wiring.
Daewoo Espero Audio Stereo Wiring System
Daewoo Espero Audio Stereo Wiring Diagram, Connector and Harness. When you switch is ON your Daewoo Espero radio, an auto antenna inner relay is operated by 12V power supplied from radio terminal 4. At this time, because a contact point of “C” is connected to “+”, and a contact point of “D” is connected to “-”, an antenna motor is operated.
Audi RS6 Fuel Pump Electrical Wiring Diagram
The following schematic illustrates the Audi RS6 Fuel Pump Electrical Wiring Diagram. The Motronic engine control module J220 is responsible for cut-in of the two pumps as
required via J538. The fuel pump control module J538 is fitted next to the rear right seat belt reel beneath a cover.
Volkswagen Touran Exterior Light Control Wiring System
Volkswagen Touran Exterior Light Control Wiring System. Volkswagen Touran onboard power supply control unit (located on the left underneath the dash panel where it forms
a unit with the relay carrier) evaluates the signals directly from the light switch.
2007 Chevrolet Tahoe Battery Parts and Components Assembly
2007 Chevrolet Tahoe Battery Parts and Components Assembly. The 2007 Chevrolet Tahoe is equipped with maintenance free battery. The battery is completely sealed except for two small vent holes in the side. The battery negative terminal is connected to chassis ground G305 and supplies ground for the AD converter in the DIM.
Charging System Voltage Loss Test Circuit Diagram
Charging System Voltage Loss Test Procedures: Adjust load to rated alternator output. Record VB (Battery Voltage) reading. Adjust load to rated alternator output. Record VA (Alternator Voltage) reading.
Dodge Intrepid Starting System Wiring and Circuit Diagram
Dodge Intrepid Starting System Wiring and Circuit Diagram. The Dodge Intrepid starting system has the following parts and components: Ignition switch; Starter relay; Neutral starting and back-up switch with automatic transmissions only; Wiring harness; Battery
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