Note. Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM.
Note. If DTC U1000 or DTC U1001 is also set, perform diagnosis for DTC U1000 or DTC U1001 first. See DTC U1000 OR DTC U1001: CAN COMMUNICATION LINE .
For diagnostic and component testing procedures and main causes of overheating see scheme 55and, (Scheme 671) - (Scheme 684).