Entering PCM Data Parameters Display

With ".7.0" displayed on the FDC, (to cause ".7.0" to be displayed on the FDC, see INTRODUCTION TO DIAGNOSTIC TESTING under DIAGNOSTIC TESTING), depress and release the LO button on the ECCP. This will switch display from ".7.0" to "E.9.0", signaling the start of the PCM data parameters display. Data parameter displays are prefixed with the letter "P".
To advance system to a higher numbered data parameters display, depress the HI button on the ECCP. To return to a lower numbered data parameters display, depress the LO button on the ECCP. For complete list of data parameter displays, see PCM DATA PARAMETERS table.