Programmable Read Only Memory (Prom): Removal
- Remove ECM from vehicle. ECM is located between the seats at rear bulkhead. See Fig 1. Position ECM so that bottom cover is facing upward. Remove slide-off PROM access cover by depressing locking tab.
- Using PROM removal tool, grasp PROM at narrow ends. Gently rock PROM from end to end while pulling up. If new PROM is to be installed, remove old PROM from PROM carrier.
NOTE:
Note location of reference notches in PROM, carrier and ECM for reassembly reference.