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31 PERFORM IDLE AIR VOLUME LEARNING Refer to “Idle Air Volume Learning”, EC-57. CMPLT or INCMP CMPLT © GO TO 32. INCMP © 1. Follow the construction of “Idle Air volume Learning”. 32 CHECK TARGET IDLE SPEED AGAIN With CONSULT-II 1. Start engine and warm it up to normal operating temperature. 750 ± 50 rpm (in “P” or “N” position) Without CONSULT-II 1. Start engine and warm it up to normal operating temperature. 750 ± 50 rpm (in “P” or “N” position) OK or NG OK © GO TO 34. NG © GO TO 33. 33 CHECK ECM FUNCTION 1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of a problem, but this is rarely the case.) 2. Perform initialization of NVIS (NATS) system and registration of NVIS (NATS) ignition key IDs. Refer to “NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM — NATS)”, EC-74. © GO TO 31. 34 CHECK IGNITION TIMING AGAIN Check ignition timing again. Refer to Test No. 30. OK or NG OK © GO TO 36. NG © GO TO 35. 35 CHECK TIMING CHAIN INSTALLATION Check timing chain installation. Refer to EM-29, “Installation”. OK or NG OK © GO TO 33. NG © 1. Repair the timing chain installation. 36 ERASE UNNECESSARY DTC After this inspection, unnecessary DTC No. might be displayed. © INSPECTION END GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSIS — BASIC INSPECTION Basic Inspection (Cont’d) EC-115 |