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EC-582 < COMPONENT DIAGNOSIS > [VK56DE] P0037, P0038, P0057, P0058 HO2S2 HEATER 6. Let engine idle for 1 minute. 7. Check 1st trip DTC. 8. If 1st trip DTC is detected, go to Diagnosis Procedure INFOID:0000000003936505 1. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten ground screws on the body. OK or NG OK >> GO TO 2. NG >> Repair or replace ground connections. 2. CHECK HEATED OXYGEN SENSOR 2 HEATER POWER SUPPLY CIRCUIT 1. Disconnect heated oxygen sensor 2 (HO2S2) harness connector. 2. Turn ignition switch ON. 3. Check voltage between HO2S2 terminal 3 and ground with OK or NG OK >> GO TO 4. NG >> GO TO 3. 3. DETECT MALFUNCTIONING PART Check the following. BBIA0539E 1. Heated oxygen sensor 2 (bank 1) 2. Heated oxygen sensor 2 (bank 1) 3. Heated oxygen sensor (bank 2) har- 4. Heated oxygen sensor 2 (bank 2) Voltage: Battery voltage ALBIA0365ZZ PBIB0112E 2009 Pathfinder |