Page 384 - Foton Workshop Manual - Auman EST-M

DI - 330 Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts

Caution
The combination instrument for replacement must be the same specification as previously used.

Is the test result ok?
Yes>repair or replace the combination instrument.
Caution

Internal combination instrument service needs professional personnel. Others shall not dismount
anything.
NO>go to Step 4.

4. Check the engine ECU.
a. Replace with same size and model of engine ECU.

b. Connect the circuit, restart the ignition switch and check if the failure is fixed.
Caution
The new engine ECU shall be of same size and model.

Is the test result ok?
Yes>Repair or replace engine ECU.
Caution

The engine ECU internal repair shall be done by specialized person. Any non-specialized person cannot
dismantle it.

NO>retest the above steps.

DI-330