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For ALDL connections, pin 9 is the data stream, pins 4 and 5 are ground, and pin 16 is the battery voltage. An OBD 1.5 compatible scan tool is required to read codes generated by OBD 1.5. Additional vehicle-specific diagnostic and control circuits are also available on this connector.
OBD and OBD-II 4: OBD-I 5: Not OBD compliant 6: EOBD (Europe) 7: EOBD and OBD-II 8: EOBD and OBD 9: EOBD, OBD and OBD II 10: JOBD (Japan) 11: JOBD and OBD II 12: JOBD and EOBD 13: JOBD, EOBD, and OBD II 14: Reserved 15: Reserved 16: Reserved 17: Engine Manufacturer Diagnostics (EMD) 18: Engine Manufacturer Diagnostics Enhanced (EMD+) 19
There were at least four different connectors used with ALDL. [4] General Motors implemented both a 5-pin connector and a 12-pin connector, with the 12 pin connector (Packard/Delco/Delphi part number 12020043) being used in the vast majority of GM cars. Lotus implemented a 10-pin connector.
Although these copies may contain the ELM327 v1.4 code, they may falsely report the version number as the current version provided by the genuine ELM327, and in some cases report an as-yet non-existent version. [12] Released software versions for the ELM327 are 1.0, 1.0a, 1.1, 1.2, 1.2a, 1.3, 1.3a, 1.4, 1.4b, 2.0, 2.1, 2.2 and 2.3 only. [13 ...
The 4.6 L; 278.6 cu in (4,565 cc) L37 (VIN "9") was the original Northstar. It is tuned for responsiveness and power, while the later LD8 is designed for more sedate use. The L37 code had been used on all high-output transverse Northstars, even as the exact engine specifications evolved. The compression ratio for the L37 is 10.3:1 for engines ...
Some software applications that allow interfacing to GMLAN are Intrepid Control Systems, Inc.'s Vehicle Spy 3; Vector's CANoe; Dearborn Group's Hercules, ETAS' ES-1222, ES590, ES715, and ES580; ScanTool.net's OBDLink MX; EControls by Enovation Controls' CANCapture; and GMLAN vehicle universal remote control GMRC for Android devices
GM CFO Paul Jacobson added that launching and operating a robotaxi service would take a significant amount of capital, beyond the $10 billion or so GM already spent on Cruise.
When two pins on the ALDL are jumped, the light would flash the codes, for instance (blink) (pause) (blink) (blink) for code 12. Some manufacturers, such as Honda, retained this feature even after OBDII. The MIL is commonly referred to today as the "check engine light" or the "service engine soon light". [6] [7] [8]
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