|
|
TROUBLESHOOTING <A/T> AUTOMATIC TRANSMISSION (FF) 23A-87 STEP 3. Hydraulic pressure test Each hydraulic pressure of the elements below, • diagnosis code 41: Underdrive clutch, • diagnosis code 42: Underdrive clutch, second • diagnosis code 43: Underdrive clutch, overdrive • diagnosis code 44: Overdrive clutch, second • diagnosis code 46: Reverse clutch, low-reverse OK: Refer to Hydraulic Pressure Test Q: Is the check result normal? YES : Go to Step 6. NO <some hydraulic pressures are abnormal> : Go to Step 5. NO <all hydraulic pressure are abnormal> : Go to Step 4. STEP 4. Adjust the line pressure and recheck the (1) Adjust the line pressure (Refer to (2) Test drive the vehicle. Q: Is the diagnosis code set? YES : Go to Step 5. NO : The inspection is complete. STEP 5. Disassemble, clean and assemble the O-ring, solenoid valve and valve body for (2) Test drive the vehicle. (3) Check the diagnosis code. Q: Is the diagnosis code set? YES : Go to Step 7. NO : The inspection is complete. STEP 6. Replace the engine-A/T-ECU and then Q: Is the diagnosis code set? YES : Go to Step 7. NO : The inspection is complete. STEP 7. Check the A/T internal clutch and brake, to the output diagnosis codes, replace if • If diagnosis code 41, 42, 43 are output • If diagnosis code 43, 44 are output • If diagnosis code 46 is output, replace the • If diagnosis code 41, 46 are output • If diagnosis code 42, 44 are output • If diagnosis code 41 is output, replace the (2) Test drive the vehicle. Q: Is the diagnosis code set? YES : Eliminate the cause of the noise. NO : The inspection is complete. |