Mazda Trucks 1987-1993 Repair Guide
Electronic Control Unit
REMOVAL & INSTALLATION
Disconnect the negative battery cable.
On B Series pickup, remove the driver's seat. On MPV, remove the inside trim panel from the left rear of the vehicle. The control unit is located under the dash on Navajo.
Disconnect the electrical connector from the control unit.
Remove the attaching screws and remove the control unit.
Installation is the reverse of the removal procedure. Check the system for proper operation.