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TROUBLE DIAGNOSIS FOR SYMPTOMS AT-203 D E F G H I J K L M A B AT 2007 Pathfinder Engine Speed Does Not Return to Idle ECS00ELE SYMPTOM: When a shift-down is performed, the engine speed does not smoothly return to the idling speed. DIAGNOSTIC PROCEDURE 1. CHECK A/T FLUID LEVEL Check A/T fluid level. Refer to AT-12, "Checking the A/T Fluid (ATF)" . OK or NG OK >> GO TO 2. NG >> Refill ATF. 2. CHECK SELF-DIAGNOSTIC RESULTS Perform self-diagnosis. Refer to AT-88, "SELF-DIAGNOSTIC RESULT MODE" . Is any malfunction detected by self-diagnostic results? YES >> Check the malfunctioning system. Refer to AT-88, "SELF-DIAGNOSTIC RESULT MODE" NO >> GO TO 3. 3. CHECK A/T FLUID CONDITION 1. Remove oil pan. Refer to AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2" 2. Check A/T fluid condition. Refer to AT-52, "Fluid Condition Check" OK or NG OK >> GO TO 4. NG >> GO TO 7. 4. DETECT MALFUNCTIONING ITEM ● Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to (Symptom No.65). OK or NG OK >> GO TO 5. NG >> Repair or replace damaged parts. 5. CHECK SYMPTOM Check again. Refer to OK or NG OK >> INSPECTION END NG >> GO TO 6. 6. PERFORM TCM INSPECTION 1. Perform TCM input/output signals inspection. Refer to AT-85, "TCM Input/Output Signal Reference Val- 2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness OK or NG OK >> INSPECTION END NG >> Repair or replace damaged parts. |