Lexus ES: Fuel System
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Precaution
PRECAUTION CAUTION:
Never perform work on fuel system components near any possible ignition sources.
Vaporized fuel could ignite, resulting in a serious accident.
Do not perform work on fuel s
Parts Location
PARTS LOCATION ILLUSTRATION *1 ECM *2 FUEL TANK ASSEMBLY *3 FUEL PUMP CONTROL ECU *4 FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY - FUEL PUMP (for Low Pressure) - FUEL SENDER GAU
System Diagram
SYSTEM DIAGRAM HIGH PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM LOW PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM
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MIL Circuit
DESCRIPTION The Malfunction Indicator Lamp (MIL) is used to indicate vehicle malfunctions detected by the ECM. The MIL operation can be checked visually. When the engine switch is first turned on (IG), the MIL should be illuminated and should then turn off after the engine is started. If the MIL rem
Open in Bus 3 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
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