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SEF070T SEF754W SEF755W SEF805W SEF757W q A CHECK GROUND CIRCUIT. 2. Disconnect cooling fan motor harness connector. 3. Check harness continuity between relay terminals q 3 , q 6 and cooling fan motor terminal q 1 . Continuity should exist. 4. Check harness continuity between fan motor terminal q 4 and engine ground. OK E NG Repair harness or connec- CHECK OUTPUT SIGNAL CIRCUIT. 2. Check harness continuity between ECM terminal q 34 and relay-2 terminal q 2 . Continuity should exist. OK E NG Check the following. I Harness connectors F2 , E13 I Harness for open or short If NG, repair open circuit or CHECK HARNESS CONTINUITY 2. Disconnect cooling fan relay-2. ness connector. 4. Check harness continuity between relay-2 terminal q 2 and switch terminal q 2 , switch terminal q 3 and engine ground. OK E NG Check harness for open or CHECK COMPONENT OK E NG Replace triple-pressure CHECK COMPONENT OK E NG Replace cooling fan relay. CHECK COMPONENT OK E NG Replace cooling fan motors. Perform “TROUBLE DIAGNOSIS FOR INSPECTION END GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR OVERHEAT Overheat (Cont’d) H H H H H H H H EC-509 |