Terminals of ECU

Symbol

Terminal

Symbol

Terminal

Symbol

Terminal

E01

POWER GROUND

G2

DISTRIBUTOR

ACÏ

A/C MAGNET SWITCH

EKQ

POWER GROUND

Gl

DISTRIBUTOR

ACT

A/C AMPLIFIER

W&.T

INJECTOR (No.1)

NE

DISTRIBUTOR

SPD

SPEED SENSOR

No 3

INJECTOR (No.3)

El

ENGINE GROUND

-

NoZ

INJECTOR (No.2)

VF

CHECK CONNECTOR

-

UaA

INJECTOR (No.4)

G8

DISTRIBUTOR

-

ST J

COLD START INJECTOR

-

\

-

EGA

EGR VSV

T

CHECK CONNECTOR

\

-

RSC

ISC VALVE

OKI

OXYGEN SENSOR

fpiî

FUEL PUMP RELAY

R&O

ISC VALVE

QX2

CHECK CONNECTOR

-

HT

OXYGEN SENSOR HEATER

KNK

KNOCK SENSOR

W

WARNING LIGHT

\

-

prm

TURBOCHARGING PRESSURE SENSOR

\

-

-

thw

WATER TEMP. SENSOR

STP

STOP LIGHT SWITCH

IGT

IGNITER

IDL

THROTTLE POSITION SENSOR

-

tpçï

TURBOCHARGING PRESSURE VSV

THA1

AIR TEMP. SENSOR

\

-

\

-

VTA

THROTTLE POSITION SENSOR

-

\

33

VS

AIR FLOW METER

ELS

HEADLIGHT DEFOGGER

T'VIS

T-VIS VSV

*THG

EGR GAS TEMP. SENSOR

+ 01

EFI MAIN RELAY

-

VC

SENSOR POWER SOURCE

8ATT

BATTERY

fc

CIRCUIT OPENING RELAY

E2

SENSOR GROUND

+ B

EFI MAIN RELAY

LSF

IGNITER

STA

STARTER SWITCH

* CALIF. only

\

-

Engine ECU Terminals n_n_r xrui n_r

"V

ST.I

Ft Eil I

TTTTT

STP ~s tLl

UV Uli J

I "OJ

Plto

TWi u

Voltage at ECU Wiring Connectors

Terminal Vsv Ecu Toyota

Terminals

Trouble

Condition

STD voltage

No voltage

IG SW ON

Bactary

EFJ M.nil Hfr'Sv

EFJ M.nil Hfr'Sv

Bactary

Main Body Ecu Relay Motherboard

FI313Î

8420 Ecu Terminal

(1) There is no voltage between ECU terminals +B or + B1 and E1. (IG SW ON)

(2) Check that there is voltage between ECU terminal + B or + B1 and body ground. (IG SW ON)

(3) Check wiring between ECU terminal E1 and body ground.

Try another ECU.

Repair or replace.

Check fuses, H-fuse, fusible link and

BAD

Repair or replace.

ignition switch.

OK

Check EFI main relay.

BAD

Repiace.

(See page FI-195)

1

OK

Check wiring between EFI main

BAD

Repair or replace.

relay and battery.

Trouble

No voltage

MAIN

2.OL

Battery i

Condition

STD voltage

t ny UK ECU

t ny UK ECU

nairt

Pistolet DessinVortex 10x Ecu Switch Wiring Diagram
(1) There is no voltage between ECU terminals BATT and E1.
Main Body Ecu Relay Motherboard8420 Ecu TerminalPneumatic Cylinder Size Chart
Rdx Fuel Injector Dead Times
OK

Try another ECU.

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Responses

  • caren moon
    Where is ecu that regulates vsv in celica?
    8 months ago

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