SCAN TOOL USAGE
Note. For testing related to ECM power and ground circuits, see POWER & GROUND CIRCUITS (M45) under ENGINE CONTROL MODULE (ECM) under COMPUTERIZED ENGINE CONTROLS in SYSTEM & COMPONENT TESTING article.
Note. For testing related to ECM power and ground circuits, see POWER & GROUND CIRCUITS (M45) under ENGINE CONTROL MODULE (ECM) under COMPUTERIZED ENGINE CONTROLS in SYSTEM & COMPONENT TESTING article.