|
|
TROUBLESHOOTING AUTOMATIC TRANSMISSION 23A-83 DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III CAN bus diagnostics connector. (2) Turn the ignition switch to the ON position. Q: Is the check result normal? YES : Check and repair the A/T system. NO : Repair the CAN bus lines (Refer to GROUP Inspection Procedure 2: Engine Does not Start COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES • Malfunction of inhibitor switch • Malfunction of transmission control cable • Malfunction of engine system • Malfunction of torque converter • Malfunction of oil pump • Malfunction of the A/T-ECU DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III diagnosis code Q: Are diagnosis codes P1770 (P0705) or P1771 (P0705) output? Refer to diagnosis code P1770 (P0705): Inhibitor <5A/T>. YES <diagnosis code P1771 (P0705) is set> : Refer to diagnosis code P1771 (P0705): Inhibitor <5A/T>. NO : Go to Step 2. STEP 2. Transmission control cable check Q: Is the check result normal? YES : Go to Step 3. NO : Adjust the positions of the transmission ). STEP 3. Engine system check Q: Is the check result normal? YES : Go to Step 4. NO : Repair the engine system. STEP 4. A/T-ECU replacement customer exists. Q: Does a malfunction take place again? YES : Go to Step 5. NO : The inspection is complete. STEP 5. Torque converter check Q: Is the check result normal? YES : Check the oil pump for incorrect installation, damage and etc., and replace the oil pump NO : If repair is possible, repair the damaged |