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P1233, P2101 ELECTRIC THROTTLE CONTROL FUNCTION EC-381 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O P1233, P2101 ELECTRIC THROTTLE CONTROL FUNCTION Description INFOID:0000000005236978 Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. DTC Logic INFOID:0000000005236979 DTC DETECTION LOGIC NOTE: If DTC P2101 or P2101 is displayed with DTC P1290, P2100, first perform the trouble diagnosis for DTC . DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. TESTING CONDITION: >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 2 seconds. 2. Start engine and let it idle for 5 seconds. 3. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005236980 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection M95. Refer to Ground Inspection in Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I Check the voltage between ECM harness connector terminals as follows. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1233 Electric throttle control Electric throttle control function does not oper- • Harness or connectors (Throttle control motor circuit is open or • Electric throttle control actuator P2101 Electric throttle control |