Starter Relay Mr2 Mk1

Fusible Link 1.25B

Battery

Injector Relay

AM2 7.5A |gnitj0n Switch

Injector Relay

Aw11 Toyota Mr2 Fuse Diagram

Voltmeter

Voltmeter

Voltmeter

Voltmeter

There is no voltage between computer terminal No. 10 and/or No. 20 and E01 and/or E02. (IG SW ON)

/^v Check that there is specified voltage between resistor ^terminal (+) and body ground. STD voltage: 9 - 14V

Check fuse, fusible link, injector relay and ignition switch.

Repair or replace

Check that there is specified voltage between resistor 'terminal (-) and body ground. STD voltage: 9 — 14V

Check resistance of the magnetic coil in ) each injector.

STD resistance: Approx. 2.9 O

Replace resistor

Check wiring between computer and resistor.

Replace injector

Terminals

Trouble

Condition

STD Voltage

No voltage

No trouble ("CHECK ENGINE" warning light off) and engine running.

Fuse

GAUGE 7.5A

"CHECK ENGINE' Warning Light

"CHECK ENGINE' Warning Light

Combination Meter

Aw11 Combination Meter

Voltmeter v

Voltmeter

Voltmeter v ^

Voltmeter

Ohmmeter

Ohmmeter

/T\No voltage between ECU terminals W and E1. ^ (Idling)

Check that there is voltage between ECU terminal W and body ground.

Check wiring between ECU terminal E1 and body ground.

Try another ECU.

Check GAUGE fuse (7.5 A) and "CHECK ENGINE" warning light

Repair or replace.

Fuse blows again

Check wiring between ECU terminal W and fuse.

Repair or replace.

Repair or replace.

Termináis

Trouble

Condition

STD voltage

No voltage

Ignition switch ON

Intake air temperature 20°C (68F)

Mr2 Mk1a Temperature Wiring Diagram
Air Temp. Sensor (In Air Flow Meter)

fm 272

Viscose ProcessCisco Pwr 2kw ConnectorsMr2 Starter Relay Ground

Terminals

Trouble

Condition

STD Voltage

No voltage

Ignition switch ON

Coolant temperature 80°C (176°F)

Water Temp. Sensor

Ljmro-

THW E2

f >0487

2001 Toyota Corolla Ecu Temp SensorMr2 Starter Relay Ground

Terminals

Trouble

Condition

STD Voltage

No voltage

Ignition switch ST position

Starter Relay

Fusible Link ft 1.25B

I Battery

Ignition C|utch (M/T) Qr Switch Neutral (A/T) Start Switch

To Circuit Opening Relay

Starter Relay

Ignition C|utch (M/T) Qr Switch Neutral (A/T) Start Switch

Starter Relay Toyota Hilux 1989

To Circuit Opening Relay

Voltmeter

Voltmeter

Voltmeter

Starter fi0335

Voltmeter

Starter fi0335

Mr2 Starter Relay Ground

^ There is no voltage between ECU terminals STA and E1. ^ (IG SW ON)

Check starter operation.

Check wiring between ECU and starter terminal 50.

Repair or replace

Check wiring between ECU terminal E1 and body ground.

Repair or replace

Check fusible link, battery, wiring ignition switch, starter relay and clutch start switch.

Repair or replace

OK

/^n Check that there is voltage at STA (50) terminal of starter. ^ (IG SW ST) STD voltage: 6 - 14V

OK

NO

Check Starter

Check wiring between ignition switch ST terminal and starter STA (50) terminal.

Terminals

Trouble

Condition

STD Voltage

No voltage

Idling

Fusible Link

Fuse AM2

AM2 7.5A ignition 25B SW

Engine Main Relay u

Igniter w/ Ignition Coil jDh

Tachometer r

NE IGT IGF E1

fi2938

Voltmeter

Voltmeter

Voltmeter

Voltmeter

Land Cruiser Ecu Terminals

There is no voltage between ECU terminal IGT and E1. (Idling)

^ Check that there is voltage between ECU terminal IGT and ^ body ground. (Idling)

Check wiring between ECU terminal E1 and body ground.

Try another ECU.

Repair or replace

Check wiring between ECU and

BAD

Repair or replace

distributor.

J OK

BAD

Check distributor.

Replace

JOK

Check wiring between ECU and

BAD

Repair or replace

Igniter.

JOK

BAD

Check igniter. (See page IG-4)

Repair or replace

Trouble

Condition

STD Voltage

1SCi 1SC2

No voltage

IG SW ON

Mr2 Starter Relay Ground
OK

Try another ECU.

Terminals

Trouble

Condition

STD Voltage

No voltage

Air conditioning ON

Amplifier

A/C Compressor

fi0922

Frases Kal Jang

Voltmeter

Voltmeter

1991 Camry Oxygen Sensor

Check Connector

Oxygen Sensor >

fWV,

Oxygen Sensor Heater

fi2734
Budget Mensuel Imprimable

California

ECU

EGR Gas Temp. Sensor

<

> +B

> THG

1 E2

» E1

Voltmeter

Voltmeter

THG

Voltmeter

fi2726

Ohmmeter

Ohmmeter

Egr Thg Terminal

EGR Gas Temp, Sensor

EGR Gas Temp, Sensor

No voltage between ECU terminals THG and E2. (Engine running at 2,000 rpm)

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

Check wiring between ECU terminal E1 and body ground.

Check EGR system.

Repair or replace.

Check EGR gas temp, sensor.

Replace EGR gas temp, sensor.

Check wiring between ECU and EGR gas temp, sensor.

Try another ECU.

Repair or replace.

Was this article helpful?

+1 0
DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

Get My Free Ebook


Responses

  • ria
    How does the air flow on an 1989 mr2 mk1?
    8 years ago
  • azzeza
    Where are the coolant temperature sensor and the '89 Toyota Camry LE?
    8 years ago
  • Christian
    What fuse in the aw11 controls engine warning light?
    8 years ago
  • merigo
    How test air flow meter toyota pickup 1992?
    5 years ago
  • anthony
    How to change starter in 1989 mr2?
    4 years ago
  • Felix
    Where is fuse for mk2 mr2 fuel injection systenm located?
    4 years ago

Post a comment