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− − − − − − − − − − − − YES NO YES NO YES NO YES NO YES NO 11-138 PGM-FI System 6. Let the engine cool until the value of ECT SENSOR 1 is 50 °C (122 °F) or less. 7. Clear the DTC with the HDS. 8. Start the engine, and let it idle for 10 seconds or more. 9. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HDS. Go to step 10. If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for 10. Check the ignition timing (see page 4-20). Go to step 12. Go to step 11. 11. Check for damage at the CKP sensor (see page 11-222) and the CKP sensor pulser plate (see page Replace the CKP sensor (see page 11-222) and/or the CKP sensor pulser plate (see page 6-34), Go to step 32. 12. Do the ETCS TEST in the INSPECTION MENU with the HDS. Go to step 13. Replace the throttle body; K20Z2 engine (see page 11-348), K20Z3 engine (see page 11-349), 13. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in 14. Monitor the ENGINE SPEED in the DATA LIST with the HDS, and hold the engine speed at 2,500 rpm 15. While holding the engine speed at 2,500 rpm, check the MAF SENSOR in the DATA LIST with the HDS. Go to step 16. Replace the MAF sensor/IAT sensor (see page 11-224), then go to step 25. 16. Turn the ignition switch to LOCK (0). 17. Drain the coolant (see page 10-8). 18. Remove ECT sensor 1 (see page 11-225), and ECT sensor 2 (see page 11-225). 19. Allow the sensors to cool to ambient temperature. 20. Note the ambient temperature. 21. Connect ECT sensor 1 and ECT sensor 2 to their 2P connectors, but do not install them on the engine. 22. Turn the ignition switch to ON (II). 23. Note the value of ECT SENSOR 1 and ECT SENSOR 2 quickly in the DATA LIST with the HDS. Does the scr een indicate F AILED? Is the ignition timing OK ? Is the CK P sensor and/ or the CK P sensor pulser Is the T HROT T LE ACT UAT OR CONT ROL Is ther e about 6.0 8.6 ( K 20Z 2 engine) or 5.7 8.3 ( K 20Z 3 engine) gm/ s? 08/08/21 14:18:56 61SNR030_110_0138 |