Circuit Tests: Notes

NOTE: Before performing any diagnostic circuit test, refer to SELF-DIAGNOSTIC SYSTEM for diagnostic system functions and system diagnostic procedures. For component location, see appropriate illustration in THEORY/OPERATION - NON-TURBO article. Manufacturer recommends using Check Harness "A" (SST 09990-01000) when using circuit tests to diagnose malfunctions. See TEST PREPARATION under SELF-DIAGNOSTIC SYSTEM.