FixVault

Electronic Spark Control (ESC - DOHC)

To test ESC system, proceed to CHART C-5  under DIAGNOSTIC CHARTS. ESC module is located under evaporative emission canister. Module has a 5-pin connector.

NOTE: If problem develops with EST, ECM will set Code 42. For additional testing, see TESTS W/CODES - 3.2L EFI article.