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EC-258 < DTC/CIRCUIT DIAGNOSIS > [VK56VD] P0139, P0159 HO2S2 Which is displayed on CONSULT-III screen? OK >> INSPECTION END NG >> Go to CAN NOT BE DIAGNOSED>>GO TO 3. 3. PERFORM DTC CONFIRMATION PROCEDURE AGAIN 1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle). 2. Perform DTC confirmation procedure again. >> GO TO 2. 4. PERFORM COMPONENT FUNCTION CHECK WITH GST Perform component function check. Refer to EC-258, "Component Function Check" NOTE: YES >> INSPECTION END NO >> Go to Component Function Check INFOID:0000000006217822 1. PERFORM COMPONENT FUNCTION CHECK-I WITH GST 1. Start engine and warm it up to the normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Turn ignition switch ON. 4. Turn ignition switch OFF and wait at least 10 seconds. 5. Restart engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no 6. Let engine idle for 1 minute. 7. Check the voltage between ECM harness connector terminals under the following conditions. 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 terminals under the following conditions. Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 3. DTC ECM Condition Voltage Connector + – Terminal Terminal P0139 F110 96 100 Revving up to 4,000 rpm under no load at A change of voltage should be more than P0159 87 DTC ECM Condition Voltage Connector + – Terminal Terminal P0139 F110 96 100 Keeping engine at idle for 10 minutes A change of voltage should be more than P0159 87 |