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Equipment-and-Tool-Institute / j1939-84

J1939-84 implementation for etools.org
MIT License
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DM1 Assessment Incorrect #1231

Closed ericthomasswenson closed 1 month ago

ericthomasswenson commented 1 year ago

Start Test 8.3 - DM1: Active Diagnostic Trouble Codes (DTCs)

11:20:49.0002 Reading the bus for published DM1 messages 11:20:49.0789 18FECA27 [8] 03 FF 00 00 00 00 FF FF DM1 from Management Computer #1 (39): MIL: off, RSL: off, AWL: off, PL: not supported, No DTCs

11:20:49.1275 18FECA3D [8] 03 FF 00 00 00 00 FF FF DM1 from Exhaust Emission Controller (61): MIL: off, RSL: off, AWL: off, PL: not supported, No DTCs. ... 11:20:49.3421 1CFECA00 [10] 43 FF 66 00 04 01 75 02 16 01 DM1 from Engine #1 (0): MIL: on, RSL: off, AWL: off, PL: not supported DTC 102:4 - Engine Intake Manifold #1 Pressure, Voltage Below Normal, Or Shorted To Low Source - 1 times DTC 629:22 - Controller #1, Reserved For SAE Assignment - 1 times // Non OBD content is allowed in DM1 ... FAIL: 6.8.3.2.b - Engine #1 (0) did not include all DTCs from its DM12 response

11:20:48.1964 Global DM12 Request 11:20:48.2003 18EAFFF9 [3] D4 FE 00 (TX) 11:20:48.2010 18FED417 [8] 00 FF 00 00 00 00 FF FF DM12 from Instrument Cluster #1 (23): MIL: off, RSL: off, AWL: off, PL: off, No DTCs

11:20:48.2074 18FED400 [8] 43 FF 66 00 04 01 FF FF DM12 from Engine #1 (0): MIL: on, RSL: off, AWL: off, PL: not supported DTC 102:4 - Engine Intake Manifold #1 Pressure, Voltage Below Normal, Or Shorted To Low Source - 1 times

11:20:48.2089 18FED427 [8] 03 FF 00 00 00 00 FF FF DM12 from Management Computer #1 (39): MIL: off, RSL: off, AWL: off, PL: not supported, No DTCs

11:20:48.2174 18FED43D [8] 03 FF 00 00 00 00 FF FF DM12 from Exhaust Emission Controller (61): MIL: off, RSL: off, AWL: off, PL: not supported, No DTCs

11:20:48.9557 Destination Specific DM12 Request to Engine #1 (0) 11:20:48.9637 18EA00F9 [3] D4 FE 00 (TX) 11:20:48.9674 18FED400 [8] 43 FF 66 00 04 01 FF FF DM12 from Engine #1 (0): MIL: on, RSL: off, AWL: off, PL: not supported DTC 102:4 - Engine Intake Manifold #1 Pressure, Voltage Below Normal, Or Shorted To Low Source - 1 times

ericthomasswenson commented 1 year ago

6.8.3 DM1: Active Diagnostic Trouble Codes (DTCs) 6.8.3.1 Actions a. Receive broadcast data [PG 65226 (SPs 1213-1215, 1706, and 3038)]. 6.8.3.2 Fail Criteria a. Fail if no ECU reporting MIL on. b. Fail if any OBD ECU does not include all DTCs from its DM12 response in its DM1 response. c. Fail if any OBD ECU reporting different MIL status than DM12 response earlier in this part.

ericthomasswenson commented 1 year ago

Please see if any other DM1 checks Compare DM1 to DM12 instead of searching DM1 for DM12 DTCs.