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содержание .. 978 979 980 981 ..
P0471 EXHAUST PRESSURE SENSOR EC-1049 < DTC/CIRCUIT DIAGNOSIS > [R9M] C D E F G H I J K L M A EC N P O P0471 EXHAUST PRESSURE SENSOR DTC Description INFOID:0000000010935728 DTC DETECTION LOGIC POSSIBLE CAUSE Exhaust gas pressure sensor FAIL-SAFE • Boost pressure limitation DTC CONFIRMATION PROCEDURE 1. CHECK DTC PRIORITY If DTC P0471 is displayed with DTC P0335, P0470 or P2226, first perform the trouble diagnosis for DTC Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to . NO >> GO TO 2. 2. PERFORM DIAGNOSIS PROCEDURE NOTE: >> Proceed to EC-1049, "Diagnosis Procedure" . Diagnosis Procedure INFOID:0000000010935729 1. CHECK DTC PRIORITY If DTC P0471 is displayed with DTC P0335, P0470 or P2226, first perform the trouble diagnosis for DTC Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to . NO >> GO TO 2. 2. CHECK ECM HARNESS CONNECTOR CONNECTIONS 1. Turn ignition switch OFF. 2. Check ECM harness connector connection. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace error-detected parts. 3. CHECK EXHAUST GAS PRESSURE SENSOR HARNESS CONNECTOR CONNECTIONS DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition P0471 PRS UPSTR OF TBN ING • 2.DEF: SIGNAL INCOHERENCE • Difference between barometric pressure and exhaust pressure while en- gine stopped. • Exhaust pressure is excessively low while engine is running. |