Engine Dynamometer - Install Engine (14-01) Section 14 - Engine Testing - Group 14 M11 Page 14-32 Depress the active key to cancel or back up to the screen showing the Menu Option’’. The ECM is equipped with a tamperproof system that limits engine speed when the vehicle speed signal is lost. This parameter must either be bypassed with the Compulink™ in the Compuchek T mode, or if the Compulink™is needed to monitor engine data, the ad- justable parameter(s) must be adjusted outside the en- gine operating range. To save, adjust and write parameter(s) to and from the ECM, refer to the CELECT™Compulink™Cartridge Manual, Bulletin No. 3810472. NOTE:
Parameter(s) must be returned to their original value when the test or run-in is completed. If the parameter is to be bypassed with the Compulink™, refer to the following instructions. Select ‘‘Troubleshooting’’, key (1), from the ‘‘Main Menu Option’’ screen. Select ‘‘Special Functions’’, key (4), from the ‘‘Trouble- shooting Menu’’.