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AEC158A COMPONENT INSPECTION Heated oxygen sensor 1 heater (front) Check resistance between terminals q 3 and q 1 . Resistance: 2.3 - 4.3 Ω at 25°C (77°F) Check continuity between terminals q 2 and q 1 , q 3 and q 2 . Continuity should not exist. If NG, replace the heated oxygen sensor 1 (front). CAUTION: I Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard sur- I Before installing new oxygen sensor, clean exhaust system using Oxygen Sensor Thread Cleaner tool J-43897-18 or J-43897-12 and approved anti-seize lubricant. GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0135 (B1), P0155 (B2) Heated Oxygen Sensor 1 Heater (Front) (P0135: EC-209 |