Diagnostic Circuit Check

Self-Diagnostic Chart:

1. See HOW TO ENTER DIAGNOSTIC MODE for more information on entering diagnostics.

2. See BASIC OPERATION - ON-BOARD DIAGNOSTICS under ECM DISPLAYS.

3. See CLEARING TROUBLE CODES under TESTING PROCEDURES.

NOTE: The charts under DIAGNOSTIC CHARTS are driveability and component testing charts. The computer communication/display diagnostic charts are in TESTING PROCEDURES under SELF-DIAGNOSTIC SYSTEM.