FixVault

Diagnostic Tests: Notes

NOTE: Before performing any diagnostic test, refer to SELF-DIAGNOSTIC SYSTEM  for diagnostic system functions and system diagnostic procedures. Also check for any related Technical Service Bulletins (TSBs).
NOTE: When performing diagnostic tests, it may be necessary to identify Engine Control Module (ECM) connector terminals which are referenced to in testing procedure. See Fig 1.
Fig 1: Identifying ECM Connectors & Terminals
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