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P0137, P0157 HO2S2 EC-821 < DTC/CIRCUIT DIAGNOSIS > [VK50VE] C D E F G H I J K L M A EC N P O 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. Select “DATA MONITOR” mode with CONSULT-III. 8. Check that “COOLAN TEMP/S” indicates more than 70 ° C (158 ° F). If not, warm up engine and go to next step when “COOLAN TEMP/S” indication reaches 70 ° C (158 ° F). 9. Open engine hood. 10. Select “HO2S2 (B1) P1147” (for DTC P0137) or “HO2S2 (B2) P1167” (for DTC P0157) of “HO2S2” in “DTC WORK SUPPORT” mode with CONSULT-III. 11. Follow the instruction of CONSULT-III display. NOTE: 12. Touch “SELF-DIAG RESULTS”. 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-821, "Component Function Check" . NOTE: Is the inspection result normal? YES >> INSPECTION END NO >> Go to Component Function Check INFOID:0000000005237306 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. DTC ECM Condition Voltage Connector + – Terminal Terminal P0137 F110 32 31 Revving up to 4,000 rpm under no load at The voltage should be above 0.74 V at P0157 36 |