2UZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

  • Published on
    28-Oct-2015

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DESCRIPTION

service manual

Transcript

  • S2UZ-FE ENGINE CONTROL SYSTEM SFI SYSTEM ES9

    E

    SYSTEM DIAGRAM

    MET

    Ignition Switch

    From Battery

    IGNIGSW

    STARTER

    From Battery To Starter

    Park/Neutral

    Position (PNP)

    Switch

    STAR NSW

    STSW

    From

    Battery

    EFI OR ECD NO. 1

    EFI

    STA

    BATT

    MREL

    +BM

    +B

    +B2

    ETCSFrom

    Battery

    ECM Combination Meter

    Camshaft Timing Oil Control

    Valve (OCV) (Bank 1)

    OCV (Bank 2)

    Knock Sensor (Bank 1)

    Knock Sensor (Bank 2)

    W

    OC1+

    OC2+

    OC2-

    OC1-

    KNK1

    KNK2

    EKN2

    EKNK

    From VC Terminal

    Camshaft Position Sensor

    G2+

    G2-

    Crankshaft Position

    Sensor

    Variable Valve

    Timing (VVT) Sensor

    (Bank 1)

    VVT Sensor (Bank 2)

    NE+

    NE-

    VV1+

    VV1-

    VV2+

    VV2-

    A115375E01

  • ESES10 2UZ-FE ENGINE CONTROL SYSTEM SFI SYSTEM

    Accelerator Pedal

    Position Sensor

    VCPA

    VPA2

    VCP2

    EPA

    VPA

    EPA2

    Air Fuel Ratio (A/F)

    Sensor (Bank 1

    Sensor 1)

    A/F Sensor (Bank 2

    Sensor 1)

    HO2 Sensor (Bank 2

    Sensor 2)

    Heated Oxygen

    (HO2) Sensor (Bank

    1 Sensor 2)

    From EFI Relay

    From A/F Relay

    HA1A

    A1A+

    HA2A

    A2A+

    A2A-

    A1A-

    HT1B

    OX1B

    HT2B

    OX2B

    E2

    From Ignition Switch

    No. 1 Fuel Injector

    No. 2 Fuel Injector

    No. 3 Fuel Injector

    No. 4 Fuel Injector

    No. 5 Fuel Injector

    No. 6 Fuel Injector

    No. 7 Fuel Injector

    No. 8 Fuel Injector

    #10

    #30

    #20

    #40

    #50

    #60

    #70

    #80

    A115376E01

  • S2UZ-FE ENGINE CONTROL SYSTEM SFI SYSTEM ES11

    E

    Mass Air Flow

    (MAF) Meter

    [Intake Air Tem-

    perature (IAT)

    Sensor]

    From EFI Relay

    Purge VSV

    VSV (for ACIS)

    VSV (for Air Injection

    System) (bank 1)

    VSV (for Air Injection

    System) (bank 2)

    PRG

    ACIS

    AIV1

    AIV2

    THA

    E2G

    VG

    E2

    Engine Coolant Temperature

    (ECT) Sensor

    THW

    Canister Pump Module

    Canister

    Pressure

    Sensor

    Vent ValveVPMP

    MPMP

    From VC

    Terminal

    From EFI

    Relay

    No. 1 Ignition Coil

    No. 2 Ignition Coil

    No. 3 Ignition Coil

    No. 4 Ignition Coil

    No. 5 Ignition Coil

    No. 6 Ignition Coil

    No. 7 Ignition Coil

    No. 8 Ignition Coil

    IGT1

    IGT2

    IGT3

    IGT4

    IGT5

    IGT6

    IGT7

    IGT8

    IGF1

    IGF2Leak Detection Pump

    PPMP

    A115536E01

  • ESES12 2UZ-FE ENGINE CONTROL SYSTEM SFI SYSTEM

    Air Injection

    Control Driver

    From

    Battery

    From EFI

    Relay

    Air Pump

    AIR PUMP

    Air Switcing Valve

    AIDI

    AIRP

    AIRV

    AIP

    Pressure

    Sensor

    To E2 Terminal

    Throttle Body

    To E2 Terminal DLC3

    TC

    CANH

    CANL

    TC

    CANH

    CANL

    GE01

    M+

    M-

    VTA1

    VC

    VTA2

    From

    Battery

    ACC CUT

    ACCR

    To ACC Relay

    From

    Ignition

    Switch

    Stop Light Switch

    ST1-

    STP

    From IGN

    Fuse

    From

    Battery

    E03

    EC

    E04

    E05

    ME01

    E02

    E01

    E1

    EOM

    FC

    FPR

    Circuit Opening

    From IGN

    Fuse

    From EFI

    Relay

    Fuel Pump

    Fuel Pump Resistor

    Fuel Pump

    A115537E01

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