Equus 3145 - Digital Ford Code Reader (1981 - 1995) Manual do Utilizador descarregar pdf (Página 79)

Troubleshooting

CODE READER TROUBLESHOOTING GUIDE

Chapter 5 76

MCU Systems (Most 1981-84 vehicles)

The 6-pin MCU Test Connectors

for some vehicle models are not

equipped with a ground

terminal at position "F". This

terminal is required by the code

reader to provide a ground

signal to the vehicle's computer

to initiate the Self-Test.

If no codes are displayed during

the testing procedure, check the

Test Connector for ground

terminal at position "F". If no

terminal is present at position

"F", connect a jumper wire from

the open terminal on the Code Reader to the negative post of

the battery or a bare clean spot in the vehicle’s metal frame.

■ If after performing all the troubleshooting procedures the

code reader still will not work consult the vehicles service

repair manual and/or contact the service department. See

page 89 for service information.

JUMP TO

GROUND

"F"

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Equus 3145 - Digital Ford Code Reader (1981 - 1995) Manual do Utilizador Página 79