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OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
When the MIL is lit, the engine control unit stores a fault code related to the malfunction, which can be retrieved—although in many models this requires the use of a scan tool. This warning light can indicate almost anything from a loose gas cap to a serious knock or fault in the engine. [4]
[4] and by BMW. The Motronic 1.1 and 1.3 systems are largely similar, the main improvement being the increased diagnostic capabilities of Motronic 1.3. The 1.3 ECM can store many more detailed fault codes than 1.1, and has a permanent 12-volt feed from the vehicle's battery which allows it to log intermittent faults in memory across several trips.
Service / Mode $03 lists the emission-related "confirmed" diagnostic trouble codes stored. It either displays numeric, 4 digit codes identifying the faults or maps them to a letter (P, B, U, C) plus 4 digits. See #OBD-II_diagnostic_trouble_codes. Service / Mode $04 is used to clear emission-related diagnostic information. This includes clearing ...
The G450X uses BMW Motorrad's proprietary 10-pin round diagnostic connector. The KMS-K16 engine management system is fully OBD-II enabled, with all conventional fault-diagnostic functions. The motorcycle is compatible with BMW's own workshop diagnostic equipment, and is also supported by the Hex Innovate GS-911 diagnostic module.
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In 1999, the Range Rover V8 received a new Bosch Motronic engine management system from the BMW 7 Series (E38).This replaced the Lucas "SAGEM" GEMS system. This engine is also known as the Bosch or Thor engine the later engine also featured revised engine mounts along with a structural alloy sump to stiffen the engine up to help improve refinement and prevent vibration ingress into the cabin.