Location Of Fuses And Fusible Links

Toyota Mk1 Ecu Location

Junction Block No. 2

Junction Block No. 2

Fusible Link 1.25B

Injector Relay fi0910

Terminals

Trouble

Condition

STD Voltage

No voltage

Ignition switch ON

Fuse EFI Main Re,ay EFI 1 5A

-ocQp

Fuse

AM2 7.5A

Fusible Link^1.25B Battery T

Fuse EFI Main Re,ay EFI 1 5A

Toyota Mr2 1989 Ignition Switch
Ignition Switch

fi2852

Toyota Ecu TeminalToyota Sienna 2006 Ecu Location

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

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

NO OK

(D Check wiring between ECU terminal E1 and body ground

Repair or replace

Fusible Link Block Toyota Rav4

Terminals

Trouble

Condition

STD Voltage

No voltage

Fusible Link 1.25B

Fuse

AM2 7.5A

Battery

Toyota Mr2 Aw11 EnginMain Body Ecu Relay Motherboard
BAD

Repair or replace

Check fuse, fusible links and wiring harness.

NO

Repair

No.

Terminals

Trouble

Condition

STD Voltage

IDL - E2

Throttle valve open

M/T 4 - 5 V A/T 10 - 14 V

3

VTA - E2

No voltage

Ignition switch ON

Throttle valve fully closed

0.1 - 1.0 V

Throttle valve fully open

4 - 5 V

VC - E2

-

4 - 6 V

ECU

Throttle Position Sensor

VC > E1

/ \

I

f / \ IDL

\ i 0 JVTA

\ ? o/Vcc

fi0485

Mr2 Sub Box
• IDL — E2

^ There is no voltage between ECU terminals IDL and E2. ® (IG SW ON) (Throttle valve open)

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

NO OK

Check wiring between ECU terminal E1 and body ground.

Repair or replace

Corolla Ecm Connector
OK

Try another ECU

Toyota Sienna Relay Diagram Ecu Bilde Motbakke

/tn There is no specified voltage at ECU terminals VTA and E2. (IG SW ON)

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

NO OK

Check wiring between ECU terminal E1 and body ground.

Repair or replace

Refer to No. 1 (See Page FI-49)

BAD

Repair or replace

I OK

(3) Check throttle position sensor.

BAD

Repair or replace

JoK

Check wiring between ECU and

BAD

Repair or replace

throttle position sensor.

Ohmmeter

Ohmmeter

Thickness Gauge

Thickness Gauge

Toyota Rav4 Fusible Link Block

No.

Terminals

Trouble

Condition

STD Voltage

Vc - E2

4 — 6V

4

No voltage

IG SW ON

Measuring plate fully closed

3.7 - 4.3 V

Vs - E2

Measuring plate fully open

0.2 - 0.5 V

Idling

2.3 - 3.8 V

VS VC

fh 269

Voltmeter

Ohmmeter rn o

Voltmeter

fi0312

fi0312

Air Flow Meter

fi1283

fi1283

No specified voltage at ECU terminals Vc or Vs and E2. (IG SW ON)

Check wiring between ECU terminal E1 and body ground.

(D Check air flow meter.

Repair or replace air flow meter.

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

Repair or replace.

Check wiring between ECU and air flow meter.

Try another ECU.

Repair or replace.

Terminals

Trouble

Condition

STD Voltage

No voltage

Ignition switch ON

AM2 7.5A |gnitj0n Switch

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Responses

  • andreas
    Where are the fusible links located mk1?
    8 years ago

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