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speed and ignition timing are within specifications. ITEM SPECIFICATION Idle speed 700 ± 50 rpm (in “P” or “N” position) Ignition timing 15° ± 5° BTDC (in “P” or “N” position) SEC001C Without CONSULT-II NHEC0642S0302 1. Turn ignition switch “ON” and wait at least 1 second. 2. Turn ignition switch “OFF” and wait at least 10 seconds. 3. Start engine and warm it up to normal operating temperature. 4. Check that all items listed under the topic “PRE-CONDITION- 5. Turn ignition switch “OFF” and wait at least 10 seconds. 6. Start the engine and let it idle for at least 30 seconds. 7. Disconnect throttle position sensor harness connector (brown), 8. Wait 20 seconds. 9. Make sure that idle speed is within specifications. If not, the 10. Rev up the engine two or three times. Make sure that idle speed and ignition timing are within specifications. ITEM SPECIFICATION Idle speed 700 ± 50 rpm (in “P” or “N” position) Ignition timing 15° ± 5° BTDC (in “P” or “N” position) NOTE: Check that throttle valve is fully closed. 2) Check PCV valve operation. 3) Check that downstream of throttle valve is free from air 4) Adjust closed throttle position switch and reset memory. 5) When the above three items check out OK, engine com- 6) If any of the following conditions occur after the engine I Engine stalls. I Erroneous idle. I Blown fuses related to the IACV-AAC valve system. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX BASIC SERVICE PROCEDURE Idle Air Volume Learning (Cont’d) EC-67 |