DTC Confirmation Test
Malfunction is detected when ECM calculation function is malfunctioning. Depending on equipment available, use one of the following to set DTC:
- Using Scan Tool
Start engine and let idle for at least 2 seconds. Select MODE 7. - Using MIL
Start engine and let idle for at least 2 seconds. Turn ignition off and wait at least 5 seconds. Turn ignition on and retrieve DTCs using MIL. See SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.