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DTC P0130, P0150 A/F SENSOR 1 EC-243 C D E F G H I J K L M A EC 2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT 1. Disconnect air fuel ratio (A/F) sensor 1 harness connector. 2. Turn ignition switch ON. 3. Check voltage between A/F sensor 1 terminal 3 and ground with OK or NG OK >> GO TO 4. NG >> GO TO 3. 3. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E32, F32 ● Fuse block (J/B) No.1 connector E201 ● 10A fuse ● Harness for open or short between A/F sensor 1 and fuse >> Repair or replace harness or connectors. : Vehicle front 1. A/F sensor 1 (bank 2) harness con- 2. A/F sensor 1 (bank 1) harness con- Voltage: Battery voltage PBIB3134E PBIB1683E |