Caution: To prevent damage to the electronic unit, an antistatic device must be used when touching it. grounded to the car body. After removal, place the unit on an antistatic pad.
Note 1: Whenever the PCM is replaced, it must be reprogrammed using special equipment. You will also need to reset the options for the crankshaft position sensor and enter the password for the anti-theft system. The following procedure only applies to removing and installing an existing PCM. If it is necessary to replace the electronic control unit, you should take the car to a company station.
Note 2: Each time the battery is disconnected, stored operating parameters may be deleted from the electronic memory of the microprocessor, which will result in rough engine operation until the data is reloaded into the PCM.
1. Disconnect the negative battery cable.
2. Clean the area adjacent to the PCM connectors.
3. Unscrew the bolts and carefully disconnect the electrical connectors from the PCM (see illustration).
3.3. Unscrew the bolts and disconnect the PCM connectors
4. Unscrew the mounting bolts and nuts and remove the PCM (see illustration).
3.4. Unscrew the four PCM fasteners
5. Installation is carried out in the reverse order of removal.