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ECK-304 < DTC/CIRCUIT DIAGNOSIS > [K9K] P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR DTC Logic INFOID:0000000010289931 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 1 second. 2. Check DTC. Is DTC detected? YES >> Proceed to ECK-304, "Diagnosis Procedure" NO >> INSPECTION END Diagnosis Procedure INFOID:0000000010289932 1. CHECK ECM HARNESS CONNECTOR CONNECTIONS 1. Turn ignition switch OFF. 2. Check ECM harness connector connection. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace error-detected parts. 2. CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR HARNESS CONNECTOR CONNEC- TIONS Check exhaust electric throttle control actuator harness connector connection. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace error-detected parts. 3. CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT Check the power supply of the exhaust electric throttle control actuator. DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P1483 EXHAUST AIR FLAP POSI- SIBLE ECM detects the exhaust throttle valve regulation er- • Harness and connectors (Exhaust throttle valve position • Exhaust throttle valve stuck actuator • Exhaust throttle valve position sensor + - Voltage Exhaust electric throttle control ac- tuator Connector Terminal F59 5 Ground Battery voltage |