2UZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM ES–9

S

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

ES–10 2UZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES

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

2UZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM ES–11

S

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

ES–12 2UZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES

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