Toyota Avalon Service & Repair Manual: System Diagram

SYSTEM DIAGRAM

FUEL FLOW DIAGRAM

*A

for Direct Injection

-

-

*1

Fuel Injector Assembly

*2

Throttle Body with Motor Assembly

*3

Fuel Pressure Sensor (Fuel Delivery Pipe with Sensor Assembly LH) (for High Pressure)

*4

Fuel Pressure Pulsation Damper Assembly

*5

Plunger

*6

Fuel Pump Assembly (for High Pressure)

*7

Camshaft

*8

Fuel Tank Assembly

*9

Fuel Main Valve Assembly (for Low Pressure)

*10

Fuel Main Valve Assembly (for High Pressure)

*11

Fuel Filter

*12

Fuel Pump (for Low Pressure)

*13

Suction Filter

-

-

*a

High Pressure Fuel Line

*b

Low Pressure Fuel Line

*c

to Fuel Injector Assembly (for Port Injection)

-

-

*A

for Port Injection

-

-

*1

Throttle Body with Motor Assembly

*2

Fuel Injector Assembly

*3

Fuel Tank Assembly

*4

Fuel Pressure Sensor (Fuel Delivery Pipe with Sensor Assembly) (for Low Pressure)

*5

Fuel Main Valve Assembly (for Low Pressure)

*6

Fuel Main Valve Assembly (for High Pressure)

*7

Fuel Filter

*8

Fuel Pump (for Low Pressure)

*9

Suction Filter

-

-

*a

Low Pressure Fuel Line

*b

to Fuel Pump Assembly (for High Pressure)

ELECTRICAL CONTROL DIAGRAM

*1

Fuel Injector Assembly (for Direct Injection)

*2

Fuel Injector Assembly (for Port Injection)

*3

Fuel Pressure Sensor (Fuel Delivery Pipe with Sensor Assembly LH) (for High Pressure)

*4

Fuel Pump Assembly (for High Pressure)

*5

ECM

*6

Fuel Tank Assembly

*7

Fuel Pump (for Low Pressure)

*8

Fuel Main Valve Assembly (for Low Pressure)

*9

Fuel Main Valve Assembly (for High Pressure)

*10

Fuel Filter

*11

Suction Filter

*12

Fuel Pressure Sensor (Fuel Delivery Pipe with Sensor Assembly) (for Low Pressure)

*13

Fuel Pump Control ECU

*14

EFI-MAIN NO. 2 Relay

*15

Battery

*16

Engine Switch

HIGH PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM

LOW PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM

    Precaution

    Fuel Tank Filler Pipe Protector

    See More:

    Toyota Avalon Service & Repair Manual > Power Steering System(for Gasoline Model): Precaution
    PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected. System Procedure Lane Departure Alert System (w/ Steering Control) Pre-collisio ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

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