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DTC Inspection Priority Chart NHEC0039 If some DTCs are displayed at the same time, perform inspections one by one based on the following prior- Priority Detected items (DTC) 1 I U1000, U1001 CAN communication line I P0101, P0102, P0103, P1102 MAF sensor I P0112, P0113, P0127 IAT sensor I P0117, P0118, P0125 ECT sensor I P0122, P0123, P0222, P0223, P1225, P1226, P2135 Throttle position sensor I P0128 Thermostat function I P0181, P0182, P0183 FTT sensor I P0327, P0328 KS I P0335 CKP sensor (POS) I P0340, P0345 CMP sensor (PHASE) I P0460, P0461, P0462, P0463, P1464 Fuel level sensor I P0500 VSS I P0605 ECM I P0705 Park/Neutral position switch I P1229 Sensor power supply I P1706 PNP switch I P2122, P2123, P2127, P2128, P2138 Accelerator pedal position sensor 2 I P0031, P0032, P0051, P0052 HO2S1 heater I P0037, P0038, P0057, P0058 HO2S2 heater I P0107, P0108 Absolute pressure sensor I P0132-P0134, P1143, P1144 and P0152-P0154, P1163, P1164 HO2S1 I P0138, P0139, P1146, P1147 and P0158, P0159, P1166, P1167 HO2S2 I P0441 EVAP control system purge flow monitoring I P0444, P0445, P1444 EVAP canister purge volume control solenoid valve I P0447, P1446, P1448 EVAP canister vent control valve I P0452, P0453 EVAP control system pressure sensor I P0550 Power steering pressure sensor I P0650 MIL I P0710, P0720, P0725, P0740, P0745, P0750, P1705, P1760 A/T related sensors, solenoid valves and I P1065 ECM power supply I P1122 Electric throttle control function I P1217 Engine overtemperature (OVERHEAT) I P1490, P1491 Vacuum cut valve bypass valve I P1800 VIAS control solenoid valve I P1805 Brake switch 3 I P0011, P0021 Intake valve timing control I P0171, P0172 and P0174, P0175 Fuel injection system function I P0300-P0306 Misfire I P0420, P0430 Three way catalyst function I P0442, P0456, P1456 EVAP control system (SMALL LEAK, VERY SMALL LEAK) I P0455 EVAP control system (GROSS LEAK) I P0506, P0507 ISC system I P0731-P0734, P0744 A/T function I P1121 Electric throttle control actuator I P1124, P1126 Throttle control motor relay I P1128 Throttle control motor I P1148, P1168 Closed loop control I P1211 ABS/TCS control unit I P1212 ABS/TCS communication line I P1564 ASCD steering switch I P1572 ASCD brake switch I P1574 ASCD Vehicle speed sensor GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSIS — GENERAL DESCRIPTION DTC Inspection Priority Chart EC-125 |