Performing Self-Test

To perform self-test, turn ignition off. Ensure test equipment is properly attached. Program scan tool using the following steps:

• Select VEHICLE & ENGINE SELECTION menu.
• Select NEW VEHICLE, YEAR & MODEL.
• Select DIAGNOSTIC DATA LINK.
• Select PCM - POWERTRAIN CONTROL MODULE.
• Select DIAGNOSTIC TEST MODE.
• Select RETRIEVE/CLEAR CONTINUOUS DTCs.
• Turn ignition on.
• Follow operating instructions from scan tool menu.
• If any Injector Driver Module (IDM) module DTCs are present, note and clear DTCs. IDM stores both history and hard DTCs. To ensure IDM is a hard DTC, repeat KOEO ON-DEMAND SELF-TEST .
• Record DTCs and perform appropriate circuit test. See DIAGNOSTIC TROUBLE CODE (DTC) REFERENCE CHART . After test is completed, cycle ignition switch before performing other self-tests or driving vehicle.