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TROUBLE DIAGNOSIS FOR SYMPTOMS AT-211 D E F G H I J K L M A B AT
2005 Pathfinder A/T Does Not Shift: 5th gear → 4th gear UCS0037Y SYMPTOM: When shifted from D 5 to D 4 position, does not downshift from 5th to 4th gears. DIAGNOSTIC PROCEDURE 1. CHECK SELF-DIAGNOSIS RESULTS Perform self-diagnosis. Refer to AT-87, "SELF-DIAGNOSTIC RESULT MODE" . Is any malfunction detected by self-diagnostic results? YES >> Check the malfunctioning system. Refer to AT-87, "SELF-DIAGNOSTIC RESULT MODE" . NO >> GO TO 2. 2. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT Check overdrive control switch. Refer to AT-178, "OVERDRIVE CONTROL SWITCH" . OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts. 3. CHECK A/T FLUID LEVEL Check the A/T fluid level. Refer to . OK or NG OK >> GO TO 4. NG >> Refill ATF. 4. CHECK CONTROL CABLE Check the control cable. ● Refer to AT-222, "Checking of A/T Position" . OK or NG OK >> GO TO 5. NG >> Adjust control cable. Refer to AT-222, "Adjustment of A/T Position" . 5. CHECK A/T FLUID CONDITION 1. Remove oil pan. Refer to AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2" . 2. Check A/T fluid condition. Refer to AT-50, "Fluid Condition Check" . OK or NG OK >> GO TO 6. NG >> GO TO 9. 6. DETECT MALFUNCTIONING ITEM ● Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to (Symptom No.14). OK or NG OK >> GO TO 7. NG >> Repair or replace damaged parts. 7. CHECK SYMPTOM Check again. Refer to . OK or NG OK >> INSPECTION END NG >> GO TO 8. |