Mazda 626

1991-1998 of release

Repair and operation of the car



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 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. System of ignition
         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 recharge 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 half shafts
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electrical circuitries
+ 14. Useful tips


4295d568



3.7.4.2. Electronic control unit of system of ignition

GENERAL INFORMATION

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

If it was established that the electronic control unit is faulty, it needs to be replaced.

Replacement
PERFORMANCE ORDER
1. If the electronic control unit is integrated in the ignition distributor, replace the distributor.
2. For replacement of an 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.


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