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EC-172 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0122, P0123 TP SENSOR P0122, P0123 TP SENSOR Description INFOID:0000000005536578 Electric throttle control actuator consists of throttle control motor, DTC Logic INFOID:0000000005536579 DTC DETECTION LOGIC NOTE: . DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- 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. Start engine and let it idle for 1 second. 2. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005536580 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground Inspection in . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. PBIB0145E DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0122 Throttle position sensor An excessively low voltage from the TP sensor • Harness or connectors (TP sensor 2 circuit is open or shorted.) • Electric throttle control actuator (TP sensor 2) P0123 Throttle position sensor An excessively high voltage from the TP sensor |