General Information
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ECM ROM Boot Procedure:
- Install the calibration cable with ROM boot switch.
- With the keyswitch (2) in the OFF position, press the ROM boot switch (1), located on the ECM-specific calibration adapter harness, and hold.
- Switch the keyswitch to the ON position while holding the ROM boot switch down, wait for five seconds.
- Release the ROM boot switch.
- Recalibrate the ECM. Refer to Procedure 019-032 in Section 19.
- Remove the ROM boot cable from the ECM.
For general tool information, including the correct installation configuration, see the ECM-specific calibration adapter cable with ROM boot switch in the ECM Bench Calibration Base Harness, Bulletin 3377791.
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Last Modified: 20-Oct-2009