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MPI – TROUBLESHOOTING 13A-58 From previous page C-49 Engine ECU connector when headlamps go from ON Confirm fault symptoms Replace engine ECU Check battery charging device Intermittent malfunction (ref. MUT-II/III Diagnosis Codes Check engine cooling water MUT-II/III Actuator Test MUT-II/III Actuator Test Ignition SW: ON OK: condenser fan operates (low speed) MUT-II/III Service Data When hot, 80 ~ 120°C Thermostat check Check water pump Replace radiator core Diagnosis Code List (ref. P.13A-5) Change or add engine cooling water. Checking procedure 24: Radiator fan control relay Checking procedure 25: Condenser fan control relay Code no. P0115: water temp. sensor system check Replace thermostat Replace water pump Overheating Probable causes The probable causes are noted right. • Engine cooling water insufficient or deteriorated Checking Procedure 19 OK OK OK NG NG YES NG NO OK OK OK OK OK OK NG NG NG NG NG |