mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Idle/Bypass Air Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] > < Diagram Information and Instructions|Page 2781
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Engine Control Module: Service and Repair

1.

Disconnect the negative battery cable.

2.

Remove the front console covers (right and left).

3.

Disconnect the connectors from the control unit.

4.

Install the control unit in the reverse order of removal.

CAUTION

When replacing an engine control unit be sure the new part is compatible with the old part.  Since the December 1988 production, the material
used for some of the terminals of the connector between the ECU and the engine harness has been changed from gold to tin.  For complete details
see TSB#  F00190.

Idle/Bypass Air Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] > < Diagram Information and Instructions|Page 2781