Output Diagnostic Test Mode (Function 03): Requirements

NOTE: If checking is required, for requirements listed, See SYSTEM & COMPONENT TESTING - S4 article.

Ensure circuit breakers (S72 and S75) are Okay, located together with ECM. See the following:ECM LOCATION .
Fuse No. 19 (25-amp) is Okay. Located in fuse block behind panel at end of dash, driver's side.
Fuel pump relay is Okay. Located in the central electric panel under the instrument cluster, on the left side.