Operation CHARM: Car repair manuals for everyone.

SAE Standards

In accordance with new regulations, SAE (Society of Automotive Engineers) standard names and abbreviations are now used. The table below lists the names and abbreviations that have been used in the past and their SAE equivalents.







FOOTNOTES
1: Directly connected to the exhaust manifold
2: In some models, there is a fuel pump relay that controls pump speed. That relay is now called the fuel pump relay (speed).
3: Controlled by the PCM.
4: Device that controls the engine and powertrain
5: Diagnostic trouble codes depend on the diagnostic test mode