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TM-270 < SYSTEM DESCRIPTION > [CVT: RE0F10D] DIAGNOSIS SYSTEM (TCM) DIAGNOSIS SYSTEM (TCM) DIAGNOSIS DESCRIPTION DIAGNOSIS DESCRIPTION : 1 Trip Detection Diagnosis and 2 Trip Detection Diagno- INFOID:0000000010622465 NOTE: 1 TRIP DETECTION DIAGNOSIS When initial malfunction is detected, TCM memorizes DTC. In these diagnoses, some illuminate MIL and 2 TRIP DETECTION DIAGNOSIS When initial malfunction is detected, TCM memorizes DTC of the 1st trip. MIL does not light at this stage. <1 × : Check possible —: Check not possible DIAGNOSIS DESCRIPTION : DTC and DTC of 1st Trip INFOID:0000000010622466 2 TRIP DETECTION DIAGNOSIS THAT ILLUMINATES MIL • The DTC number of the 1st trip is the same as the DTC number. stage. If the same malfunction is not detected at the 2nd trip (conforming to necessary driving conditions), • The DTC of the 1st trip is specified in Service $01 of SAE J1979/ISO 15031-5. Since detection of DTC at the 1st trip does not illuminate MIL, warning for a problem is not given to a driver. • For procedure to delete DTC and 1st trip DTC from TCM, refer to • If DTC of the 1st trip is detected, it is necessary to check the cause according to the “Diagnosis flow”. Refer . DIAGNOSIS DESCRIPTION : Malfunction Indicator Lamp (MIL) INFOID:0000000010622467 • TCM not only detects DTC, but also sends the MIL signal to ECM through CAN communication. ECM sends the MIL signal to the combination meter through CAN communication according to the signal, and illumi- • For malfunction indicator lamp (MIL) description, refer to EC-78, "DIAGNOSIS DESCRIPTION : Malfunction (MR20DD), EC-487, "DIAGNOSIS DESCRIPTION : Malfunction Indicator Lamp (QR25DE). DIAGNOSIS DESCRIPTION : Counter System INFOID:0000000010622468 RELATION BETWEEN DTC AT 1ST TRIP/DTC/MIL AND DRIVING CONDITIONS (FOR 2 TRIP DE- • When initial malfunction is detected, TCM memorizes DTC of the 1st trip. MIL does not light at this stage. Item DTC at the 1st trip DTC MIL Display at the 1st trip Display at the 2nd trip Display at the 1st trip Display at the 2nd trip Illumination at the 1st trip Illumination at the 2nd trip 1 trip detection diagnosis ) — — × — × — 2 trip detection diagnosis ) × — — × — × |