Operation CHARM: Car repair manuals for everyone.
Home >> Oldsmobile >> 1999 >> Intrigue V6-214 3.5L VIN H SFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> PCM Replacement/Programming

PCM Replacement/Programming





Service of the PCM should normally consist of either replacement of the PCM or EEPROM programming. If the diagnostic procedures call for PCM replacement, check the PCM first to see if it is the correct part. If the PCM is faulty, remove it and install the new service PCM.

The new service PCM will not be programmed. You must program the new PCM. DTC P0602 indicates the EEPROM is not programmed or has malfunctioned.

NOTE: In order to prevent possible electrostatic discharge damage to the PCM, do not touch the connector pins or soldered components on the circuit board.

There are no user serviceable parts in this PCM. The PCM should never be opened for any reason.

NOTE: Turn the ignition 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.) in order to prevent internal PCM damage.

IMPORTANT: When replacing the production PCM with a service PCM (controller), 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.

REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Remove the left strut brace.
3. Loosen the band clamp (2) at the throttle body (1) and disconnect the air duct (3) from the throttle body.
4. Disconnect the IAT sensor and the MAF sensor electrical connectors.




5. Loosen the PCM/air cleaner cover retaining screw (2).
6. Remove the PCM/air cleaner cover (1) and lift the PCM (3) from the housing assembly.




7. Disconnect the harness connectors (2) from the PCM (1).
8. Remove the PCM from the engine compartment.

INSTALLATION PROCEDURE




1. Install the connectors (2) to the PCM (1).




2. Install the PCM (3) into the PCM/air cleaner housing assembly.
3. Install the PCM/air cleaner housing cover (1).
4. Tighten the PCM/air cleaner cover retaining screw (2).




5. Reconnect the air duct (3) to the throttle body (1) and tighten the band clamp (2) at the throttle body.
6. Reconnect the IAT sensor and the MAF sensor electrical connectors.
7. Install the strut brace.
8. Connect the negative battery cable.
9. If a new PCM is being installed, program the EEPROM. Testing and Inspection
pro multis · About Operation CHARM