Skylark V6-3100 3.1L VIN M SFI (1996)
Powertrain Control Module: Service and Repair
PCM Installation
CAUTION: In order to prevent possible Electrostatic Discharge damage to the PCM, Do Not touch the connector pins or the soldered
components on the circuit board.
Service of the PCM should normally consist of either replacement of the PCM or EEPROM programming. If the diagnostic procedures call for the
PCM to be replaced, PCM should be checked first to see if it is the correct part. If it is, remove the faulty PCM and install the new service PCM.
CAUTION: In order to prevent internal PCM damage, leave the ignition should OFF when installing or removing the PCM connectors and
disconnecting or reconnecting the power to the PCM (battery cable, PCM pigtail, PCM fuse, jumper cables, etc.).
NOTE: When replacing the production PCM with a service PCM, it is important to transfer the broadcast code and production PCM number to
the service PCM label. Do not record on PCM cover. This will allow positive identification of PCM parts throughout the service life of the
vehicle.
THE SERVICE PCM EEPROM WILL NOT BE PROGRAMMED. DTC P06O2 indicates the EEPROM is not programmed or has
malfunctioned.
REMOVE OR DISCONNECT
1. Disconnect the negative battery cable.
2. Remove the right hand sound insulator.
3. Remove the PCM.
4. Remove the PCM connectors.
5. Remove the PCM access cover.
6. Remove the Knock Sensor (KS) module.
INSTALL OR CONNECT -
1. If a new PCM is being installed, install the KS module from the original PCM.
2. Install the access cover on PCM.
3. Install the connectors to PCM.
4. Install the PCM.
5. Install the right hand sound insulator.
6. Connect the negative battery cable. If a new PCM is being installed, program the EEPROM.
