Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 1993 >> Festiva L4-81 1.3L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Service and Repair
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Engine Control Module: Service and Repair

WARNING: Disconnecting battery erases Powertrain Control Module (PCM) memory. Check for codes before disconnecting battery.

REMOVAL


1. Disconnect negative battery cable.

2. Reach under instrument panel and remove heater duct.

3. Disconnect Powertrain Control Module (PCM) connectors.


Powertrain Control Module (PCM):






4. Remove PCM mounting bolts.

Powertrain Control Module (PCM):






5. Remove PCM.

INSTALLATION

NOTE: When installing PCM, be sure to insert mounting clip into bulkhead recess.

Powertrain Control Module (PCM):






1. Place PCM into its mounting position.

2. Install mounting bolts and nut.

3. Plug in PCM electrical connectors.

4. Install heater duct.

5. Connect negative battery cable.
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