Aldl scan series#
Modern OBD implementations use a standardized digital communications port to provide real-time data in addition to a standardized series of diagnostic trouble codes, or DTCs, which allow a person to rapidly identify and remedy malfunctions within the vehicle. Early versions of OBD would simply illuminate a malfunction indicator light or " idiot light" if a problem was detected but would not provide any information as to the nature of the problem. The amount of diagnostic information available via OBD has varied widely since its introduction in the early 1980s versions of on-board vehicle computers. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle sub-systems. On-board diagnostics ( OBD) is an automotive term referring to a vehicle's self-diagnostic and reporting capability. Used to connect to the SAE J1962 Data Link Connector (DLC) found in many cars of the era. We don’t know the Australian vehicles as well as those stateside so we recommend you check out for more info on these vehicles.Various angles and details of a "MaxScan OE509" - a fairly typical onboard diagnostics (OBD) handheld scanner from the first decade of the 21st century. Some of the newer vehicles use our newest G6 chip adapter. Hardware-wise, the majority of these vehicles use the G1 chip adapter. TunerCat OBD1 tuner seems to have the best support for Holden vehicles at this time ( link ) although TunerPro has support for some ( link ) There is an excellent cross-reference I found with google that lists common ECMs, which mask (software revision) they use and various other useful information.
Aldl scan software#
TunerPro RT ( link ) and TunerCATS ( link ) are the two most commonly used software packages for OBD1 GM.įreeScan is a free datalogger that works with some GM vehicles. If you have excel, you can also take a look at this spreadsheet for a list of what hardware you’ll need with various combinations. * Socket Booster ( S_BOOSTER) required for Ostrich 2 emulation and TBI ECMs If you don’t see your application here, please email us. Can be used instead of G2 adapter.ĬABL1– Used to connect an ALDU1 or APU1 and a pre-1995ĬABL2 – Used to connect an ALDU1 or APU1 and a 1995 carĪPU1 – Combines the functions of the BURN2 (programming chips), Ostrich 2.0 (real time chip emulation) and the ALDU1 in one unit Applications Socket Booster – required for use of Ostrich 2.0 in TBI applications. Ostrich – USB Chip emulator, allows realtime changes while engine running Used to read stock program on memcal ECMs. HDR1 – Header that allows reading memcals in a BURN1/2. G4 – Blue Memcal style chip adapter for some 94-95 vehicles G3 – Multiple program switching version of G1 G2X – Multiple program switching version of G2 G1 – “Memcal” style chip adapter (TPI, Syclone/Typhoon, 94-95 TBI, 92-93 LT1, etc.) Instead of buying the BURN2, Ostrich2 and ALDU1 separately, you can buy the APU1 unit that does the functions of all three pieces in one unit. For the 1995 model year, CABL2 is required due to the physically different connector. For 86-94 vehicles, CABL1 is required to connect the logger and the vehicle. Logging from the computer is accomplished using either an ALDU1 or the logging facilities of an APU1. Alternatively, you can either use the Ostrich 2.0 emulator or the emulation facilities of the APU1 to make changes while the vehicle is running. You can burn chips using a ROM burner such as the BURN1/2. The same EPROMs can be used for all of our OBD1 GM products (except the switching adapters…) which is usually the 27SF512 – C2.Īfter a chip adapter has been installed in an ECM, tuning can begin. Some chip adapters require soldering for installation (G2, G2X) but most do not (G1, G3, G4, G5). First, a “chip adapter” is used to convert whatever the ECM in question needs into a form that accepts a 28 pin EPROM. The process for tuning OBD1 GM products is pretty much the same for all 86-93 model years. Many Grand Prix from these years use the G4 adapter. Some (like the 94-95 TBIs) use a G1 adapter. Many of these ECMs support being reflashed over the ALDL interface (e.g. Hardware for OBD1 GM Overviewĩ4-95 model years are oddballs. All the vehicles of this generation speak the ALDL protocol for logging/vehicle communication.įor purposes of this guide, “ECM” means Engine Control Module, Powertrain Control Module (PCM), Engine Computer Module (ECM) – terms will be used interchangeably to mean the same thing. These cars used several different types of engine controller – some have one injector for each cylinder (Tuned Port Injection, or TPI along with the LTx motors) while some have fewer injectors that are placed near the throttle body (Throttle Body Injection, or TBI) instead. When we talk about “OBD1” GM vehicles, we mean vehicles made from (approximately) 1986 to 1995. (eventually this page will have more information) Basics
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