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Home >> Ford >> 1992 >> Thunderbird Base, 5.0 T >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Automatic Ride Control >> Circuit Diagnostic Tests >> Module Input Tests D1 >> Entering Diagnostics

Entering Diagnostics

Verify ARC/EVO diagnostic test connector (located at right front shock tower) is clean and corrosion-free. Repeat attempt to enter diagnostics; see TEST A1 under QUICK TESTS. Ensure Star tester switch positions and procedures are followed. If second attempt to enter diagnostics is successful, proceed to TEST A2. If second attempt fails, proceed to TEST D2.