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P0132 HO2S1 EC-409 < DTC/CIRCUIT DIAGNOSIS > [HR12DE (TYPE 2)] C D E F G H I J K L M A EC N P O P0132 HO2S1 DTC Logic INFOID:0000000005886524 DTC DETECTION LOGIC To judge the malfunction, the diagnosis checks that the heated oxy- DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and warm it up to normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Restart engine and let it idle for 2 minutes. 4. Check 1st trip DTC. Is 1st trip DTC is detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005886525 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground Inspection in XX-XX, "*****" . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. RETIGHTEN HEATED OXYGEN SENSOR 1 Loosen and retighten heated oxygen sensor 1. Refer to XX-XX, "*****" . >> GO TO 3. 3. CHECK HO2S1 GROUND CIRCUIT FOR OPEN AND SHORT 1. Disconnect heated oxygen sensor 1 (HO2S1) harness connector. 2. Disconnect ECM harness connector. PBIB1848E DTC No. Trouble diagnosis name DTC detecting condition Possible Cause P0132 Heated oxygen sensor 1 circuit An excessively high voltage from the sensor • Harness or connectors (The sensor circuit is open or shorted.) • Heated oxygen sensor 1 |