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Ah. DDL files are time-based Datalogger Files from the IDS that show the results of continuous requests for certain PIDS. The IDS can record a few seconds of data at a time, or be configured to start logging by a trigger 'event' such as a certain PID going into a certain range.
I tried to open that file by associating it with one of my sessions (rename the file) and opening it. I'm a little new to this part of the IDS, so the fact that it came up with no data could just as well be me.
Most of this stuff is not ASCII, so that fact that we see anything at all in wordpad is because some of it is ASCII. So a Hex editor might show more info.
GEAR is PID 0x11B3 and appears in this instance to be read from the PCM (as opposed to some cars that have a separate TCM for the Transmission - like the ZF 6-Speed Gearboxes).
SBDS_CONV_643 and SBDS_CONV_285 are scaling/offset converters. A value of 2 = 1st gear, 4 = 2nd gear, 6 = 3rd gear etc
There is more ASCII in that file though. Enough to see the PID and Scaling used for each. Further down I see:
GEAR_MAX_HelpDescPCM
GEAR_MAXNONE
CV_INT_1_2NumberNUMVSCPHighest Gear Allowed
O2S1_HelpDescPCM
O2S11VoltsNONE
SBDS_CONV_406 VoltageVOLTVSCP3Heated Exhaust Gas Oxygen Sensor (bank 1, sensor 1)O2S11
RPMDES_HelpDescPCMDSD_EECVNONECV_RPM_MULT_16R PMRPMVSCPDesired Idle Speed %h(RPM)RPMDSD
TR_HelpDescPCMTRModeNONE
CV_C170_TR{Man1, Man2, D, OD, P/N...}MODEVSCPTransmission range
TSS_HelpDescPCMTSSRPMNONE CV_RPM_1_4_0RPMRPMVSCPTurbine Shaft SpeedTSS
ISS_HelpDescPCM ISS_RPMNONE CV_RPM_1_4_0RPMRPMVSCPInput shaft speed TSS/ISS
VSS_HelpDescPCMVSSNONE
CV_VSS_NEWSpeedSPDVSCP
Vehicle SpeedVSS
Fault_HelpDescPCM VSS FAULTNONE SBDS_CONV_88{No Fault, Yes Fault}FAULTVSCP"Vehicle speed sensor signal statusVSS_FM
Lukeyson
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Linear Mode
