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EC-250 < COMPONENT DIAGNOSIS > [HR16DE (WITH EURO-OBD)] P1147 HO2S2 P1147 HO2S2 Description INFOID:0000000001671017 The heated oxygen sensor 2, after three way catalyst (manifold), DTC Logic INFOID:0000000001671018 DTC DETECTION LOGIC The heated oxygen sensor 2 has a much longer switching time DTC CONFIRMATION PROCEDURE 1. INSPECTION START Do you have CONSULT-III? YES >> GO TO 2. NO >> GO TO 11. 2. PRECONDITIONING “COMPLETED” will appear on CONSULT-III screen when all tests “COND1”, “COND2” and “COND3” are ″ DTC WORK SUPPORT ″ at a temperature of 0 to 30 ° C (32 to 86 ° F). • Never stop engine during this procedure. If the engine is stopped, retry this procedure from step 2 in Procedure for COND1. CAUTION: Always drive at safe speed. SEF327R SEF259VA DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1146 Heated oxygen sensor 2 The maximum voltage from the sensor is not • Harness or connectors (The sensor circuit is open or shorted) • Heated oxygen sensor 2 |