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P1574 ICC VEHICLE SPEED SENSOR EC-445 < COMPONENT DIAGNOSIS > [VQ37VHR] C D E F G H I J K L M A EC N P O P1574 ICC VEHICLE SPEED SENSOR Description INFOID:0000000001734269 The ECM receives two vehicle speed signals via CAN communication line. One is sent from “unified meter and for ICC functions. DTC Logic INFOID:0000000001734270 DTC DETECTION LOGIC NOTE: U1001. Refer to • If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer . • If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer . • If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer . 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. Start engine (VDC switch OFF). 2. Drive the vehicle at more than 40 km/h (25 MPH). CAUTION: Always drive vehicle at a safe speed. 3. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000001734271 1. CHECK DTC WITH TCM Check DTC with TCM. Refer to TM-111, "Diagnosis Description" . Is the inspection result normal? YES >> GO TO 2. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1574 ICC vehicle speed ECM detects a difference between two vehicle • Harness or connectors (The CAN communication line is open or • Unified meter and A/C amp. |