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INSPECTION AND ADJUSTMENT EC-21 < BASIC INSPECTION > [VQ35HR] C D E F G H I J K L M A EC N P O 2. Rev engine (2,000 to 3,000 rpm) 2 or 3 times under no load, 3. Check idle speed. EC-24, "IDLE SPEED : Special Repair . For specification, refer to Is the inspection result normal? YES >> GO TO 10. NO >> GO TO 4. 4. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING 1. Stop engine. 2. Perform EC-25, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require- . >> GO TO 5. 5. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING Perform EC-25, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement" >> GO TO 6. 6. PERFORM IDLE AIR VOLUME LEARNING Perform EC-25, "IDLE AIR VOLUME LEARNING : Special Repair Requirement" Is Idle Air Volume Learning carried out successfully? YES >> GO TO 7. NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4. 7. CHECK IDLE SPEED AGAIN 1. Start engine and warm it up to normal operating temperature. 2. Check idle speed. EC-24, "IDLE SPEED : Special Repair Requirement" For specification, refer to Is the inspection result normal? YES >> GO TO 10. NO >> GO TO 8. 8. DETECT MALFUNCTIONING PART Check the Following. EC-277, "Component Inspection" . • Check crankshaft position sensor and circuit. Refer to EC-271, "Component Inspection" . Is the inspection result normal? YES >> GO TO 9. NO >> Repair or replace malfunctioning part. Then GO TO 4. 9. CHECK ECM FUNCTION 1. Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident, 2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to SEC-8, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" . >> GO TO 4. 10. CHECK IGNITION TIMING 1. Run engine at idle. 2. Check ignition timing with a timing light. PBIA8513J |