Diagnostic Procedure

WARNING: This page is about a different car, the 1994 Plymouth Sundance and 1994 Dodge Shadow. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: DO NOT skip any steps in self-diagnostic tests or incorrect diagnosis may result. Ensure self-diagnostic tests apply to engine being tested.

If no trouble codes were found while performing BASIC TESTING procedures, proceed with self-diagnostics. Always perform a visual inspection before attempting to diagnose engine control system problems. See VISUAL INSPECTION . Enter on-board diagnostics, and retrieve trouble code(s) using CHECK ENGINE light or DRB. See ENTERING ON-BOARD DIAGNOSTICS . If trouble codes are not present and/or DRB (Diagnostic Readout Box) is used, proceed to TEST TC-1A . Perform indicated VERIFICATION PROCEDURE test after repairs.