FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Removal and Replacement

ENGINE CONTROL MODULE (ECM) AND POWERTRAIN CONTROL MODULE (PCM)

REMOVAL AND INSTALLATION

Removal Steps 1 - 4:






CAUTION: Do not replace the ECM or PCM and the ETACS-ECU simultaneously. Always replace either one of the ECUs first, and register the encrypted code (Refer to Encrypted Code Registration Criteria Table). Then, replace the other ECU.

REMOVAL SERVICE POINT

<
> ECM OR PCM REMOVAL

CAUTION: Do not replace the engine-ECU or the engine-A/T- ECU
and the ETACS-ECU simultaneously. Always replace either one of the ECUs first, and register the encrypted code (Refer to Encrypted Code Registration Criteria Table). Then, replace the other ECU.

INSTALLATION SERVICE POINT

>>A<< INITIALIZATION PROCEDURE
Turn the ignition switch on then off, and keep it off for at least 10 seconds.