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DTC P0133, P0153 A/F SENSOR 1 EC-237 < SERVICE INFORMATION > [VQ35DE] C D E F G H I J K L M A EC N P O If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at WITH CONSULT-III 1. Start engine and warm it up to normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1minute under no load. 4. Let engine idle for 1 minute. 5. Select “A/F SEN1(B1) P1278/P1279” (for DTC P0133) or “A/F SEN1(B2) P1288/P1289” (for DTC P0153) 6. Touch “START”. 7. After perform the following procedure, “TESTING” will be displayed on the CONSULT-III screen. a. Increase the engine speed up to 4,000 to 5,000 rpm and keep it for 10 seconds. b. Fully release accelerator pedal and then let engine idle for about 10 seconds. 8. Wait for about 20 seconds at idle at under the condition that “TESTING” is displayed on the CONSULT-III 9. Make sure that “TESTING” changes to “COMPLETED”. . 10. Make sure that “OK” is displayed after touching “SELF-DIAG RESULT”. If “NG” is displayed, go to . WITH GST 1. Start engine and warm it up to normal operating temperature. 2. Select Service $01 with GST. 3. Calculate the total value of “Short term fuel trim” and “Long term fuel trim” indications. ± 15%. If OK, go to the following step. 4. Turn ignition switch OFF and wait at least 10 seconds. 5. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1minute under no load. 6. Let engine idle for 1 minute. 7. Increase the engine speed up to 4,000 to 5,000 rpm and keep it for 10 seconds. 8. Fully release accelerator pedal and then let engine idle for about 1 minute. 9. Select “Service $07” with GST and make sure that no DTC is displayed. |