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  2. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    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.

  3. File:OBD-II type B female connector pinout.svg - Wikipedia

    en.wikipedia.org/wiki/File:OBD-II_type_B_female...

    English: OBD-II type B female connector shape and pinout (The pins inside the connector are female, while the connector itself —the plastic body— is male). Español: Aspecto y posición de los contactos en un conector OBD-II hembra (los contactos son hembra, pero el cuerpo del conector es macho).

  4. CAN bus - Wikipedia

    en.wikipedia.org/wiki/CAN_bus

    pin 2: CAN-Low (CAN−) pin 3: GND (ground) pin 7: CAN-High (CAN+) pin 9: CAN V+ (power) A male DE-9 connector (plug) This de facto mechanical standard for CAN could be implemented with the node having both male and female 9-pin D-sub connectors electrically wired to each other in parallel within the node. Bus power is fed to a node's male ...

  5. Data link connector - Wikipedia

    en.wikipedia.org/wiki/Data_link_connector

    The data link connector (DLC) is the multi-pin diagnostic connection port for automobiles, trucks, and motorcycles used to interface a scan tool with the control modules of a given vehicle and access on-board diagnostics and live data streams. [1] Prior to 1996, many OBD-I data link connector's were in the engine compartment, usually near the ...

  6. SAE J1587 - Wikipedia

    en.wikipedia.org/wiki/SAE_J1587

    From 1996 to 2001, the 6-pin Deutsch-connector was standard. Beginning in 2001, most OEMs converted to the 9-pin Deutsch. Some OEMs still use the 6-pin Deutsch. It has mostly been used for US made vehicles, and also by Volvo. Other European brands have usually used KWP. The pinout for the 9-pin connector is:

  7. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    The pilot pin is located in the centre of main contact circle on 4- and 5-pin connectors. On 3-pin (2P+E) connectors, it is located on the contact circle opposite the ground pin. The other connectors are located 105° on either side of the earth pin, rather than 120° as in the smaller variants, to make room for the pilot pin.

  8. ALDL - Wikipedia

    en.wikipedia.org/wiki/ALDL

    Unfortunately, the definition of which signals were present on each pin varied between vehicle models. There were generally only three pins used for basic ALDL —ground, battery voltage, and a single line for data—, although other pins were often used for additional vehicle-specific diagnostic information and control interfaces.

  9. File:OBD-II type A female connector pinout.svg - Wikipedia

    en.wikipedia.org/wiki/File:OBD-II_type_A_female...

    English: OBD-II type A female connector shape and pinout (The pins inside the connector are female, while the connector itself —the plastic body— is male). Español: Aspecto y posición de los contactos en un conector OBD-II hembra (los contactos son hembra, pero el cuerpo del conector es macho).