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SYSTEM SYMPTOM TM-143 < SYMPTOM DIAGNOSIS > [TYPE 1 (4AT: RE4F03B)] C E F G H I J K L M A B TM N O P OK >> GO TO 2. NG >> Refill ATF. 2. CHECK LINE PRESSURE Check line pressure at idle with selector lever in “R” position. Refer to TM-178, "Inspection and Judgment" OK or NG OK >> GO TO 4. NG >> GO TO 3. 3. DETECT MALFUNCTIONING ITEM 1. Remove control valve assembly. Refer to TM-191, "Control Valve Assembly and Accumulators" 2. Check the following items: - Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil- - Line pressure solenoid valve 3. Disassemble A/T. Refer to 4. Check the following item: - Oil pump assembly. Refer to OK or NG OK >> GO TO 4. NG >> Repair or replace damaged parts. 4. CHECK STALL REVOLUTION Check stall revolution with selector lever in “1” and “R” positions. Refer to TM-175, "Inspection and Judgment" . OK or NG OK >> GO TO 6. OK in “1” position, NG in “R” position>>GO TO 5. 5. DETECT MALFUNCTIONING ITEM 1. Disassemble A/T. Refer to 2. Check the following items: - Low & reverse brake assembly. Refer to . - Reverse clutch assembly. Refer to OK or NG OK >> GO TO 6. NG >> Repair or replace damaged parts. 6. CHECK A/T FLUID CONDITION 1. Remove oil pan. Refer to 2. Check A/T fluid condition. Refer to . OK or NG OK >> GO TO 8. NG >> GO TO 7. 7. DETECT MALFUNCTIONING ITEM 1. Disassemble A/T. Refer to 2. Check the following items: - Reverse clutch assembly. Refer to - High clutch assembly. Refer to . - Low & reverse brake assembly. Refer to . - Forward clutch assembly. Refer to TM-267, "Forward and Overrun Clutches" - Overrun clutch assembly. Refer to TM-267, "Forward and Overrun Clutches" . OK or NG OK >> GO TO 8. NG >> Repair or replace damaged parts. 8. CHECK SYMPTOM |