|
|
P0138 HO2S2 EC-889 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 2. 2. PERFORM COMPONENT FUNCTION CHECK-II Check the voltage between ECM harness connector and ground as per the following condition. Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 3. 3. PERFORM COMPONENT FUNCTION CHECK-III Check the voltage between ECM harness connector and ground as per the following condition. Is the inspection result normal? YES >> INSPECTION END NO >> Proceed to . Diagnosis Procedure INFOID:0000000012198396 1. INSPECTION START Confirm the detected malfunction (A or B). Refer to . Which malfunction is detected? A >> GO TO 2. B >> GO TO 7. 2. CHECK HO2S2 CONNECTOR FOR WATER 1. Turn ignition switch OFF. 2. Disconnect heated oxygen sensor 2 harness connector. 3. Check connectors for water. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace error-detected parts. ECM Condition Voltage Connector + − Terminal F24 84 78 Revving up to 4,000 rpm under no The voltage should be above 0.28 V ECM Condition Voltage Connector + − Terminal F24 84 78 Keeping engine speed at idle for 10 The voltage should be above 0.28 V ECM Condition Voltage Connector + − Terminal F24 84 78 Coasting from 80 km/h (50 MPH) in The voltage should be above 0.28 V Water should not exist. |