LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 1994 >> SL320 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - HFM-SFI System >> System Tests >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Tests: Notes

CAUTION: To avoid damaging control modules all electrical testing should be done with a DVOM. DO NOT use an analog meter or test light to check control module circuits.

After verifying problem using COMPLAINT RELATED DIAGNOSTIC CHART (SECTION 12)  under TROUBLE SHOOTING or DIAGNOSTIC TROUBLE CODE MEMORY (SECTION 11) , perform appropriate test step(s). For aid in using diagnostic charts, see USING DIAGNOSTIC CHARTS .