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AUTOMATIC TRANSMISSION DIAGNOSIS AUTOMATIC TRANSMISSION 23A-200 STEP 4. Disassemble and clean the valve body. Replace the valve body assembly if the damages are thought Q: Is the symptom eliminated? YES : The procedure is complete. STEP 5. Replace the A/T-ECU. Q: Were any A/T DTCs set? YES : Go to Step 6. STEP 6. Overhaul the A/T. • If P0731, P0732 or P0733 are set individually or in a group, replace the underdrive clutch. Refer to GROUP • If P0733 or P0734 are set individually or in a group, replace the overdrive clutch. Refer to GROUP 23B, • If P0736 is set, replace the reverse clutch. Refer to GROUP 23B, Reverse and Overdrive Clutch . • If P0731 or P0736 are set individually or in a group, replace the low-reverse brake. Refer to GROUP 23B, • If P0732 or P0734 are set individually or in a group, replace the second brake. Refer to GROUP 23B, • If P0731 is set, replace the one-way clutch. Refer to . • If P0735 is set, check second brake, check overdrive clutch and DIR clutch. (2) Test drive the vehicle. Q: Are any A/T DTCs set again? YES : An A/T DTC may have set due to external radio frequency interference (RFI) possibly caused by NO : The procedure is complete. VALVE BODY 10DB117A |