Mazda 626

1991-1998 of release

Repair and car operation



Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   + 3.1. Petrol engines (1,6 and 1,8 liters)
   + 3.2. Petrol 4-cylinder engine (2 liters)
   + 3.3. Petrol V6 engine (2,5 liters)
   + 3.4. Partition of engines (1,6 and 1,8 liters)
   + 3.5. Partition of engines (2,0 and 2,5 liters of V6)
   + 3.6. Diesel engine of 2,0 liters
   - 3.7. Systems of electric equipment of the engine
      3.7.1. Introduction
      3.7.2. Technical characteristics
      3.7.3. Accumulator
      - 3.7.4. Ignition system
         3.7.4.1. Ignition coil
         3.7.4.2. Electronic control unit of system of ignition
         3.7.4.3. Ignition distributor
      3.7.5. System of additional charge of the accumulator
      3.7.6. Generator
      + 3.7.7. Starter and system of start of the engine
+ 4. Heating and ventilation
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Transmissions
+ 8. Coupling and semi-axes
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electroschemes
+ 14. Good advice


3.7.4.2. Electronic control unit of system of ignition

GENERAL INFORMATION

To check serviceability of the electronic control unit it is possible only by process of elimination, or having addressed to experts as there are no the special tests intended for check of the control unit.

If it was established that the electronic control unit is faulty, it is necessary to replace it.

Replacement
PERFORMANCE ORDER
1. If the electronic control unit is integrated in the ignition distributor, replace the distributor.
2. For replacement of the external electronic control unit disconnect connection sockets, turn off fixing nuts or screws and remove the block.
3. Installation is carried out upside-down removals.