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TROUBLESHOOTING ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-105 DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III CAN bus diagnosis Q: Is the check result normal? YES : Go to Step 3. NO : Repair the CAN bus lines (Refer to GROUP − CAN Bus Diagnostics Table ). On completion, go to Step 2. STEP 2. Diagnosis code recheck after resetting Q: Is the diagnosis code No. C2101 set? YES : Go to Step 3. NO : This diagnosis is complete. STEP 3. Battery check − Battery Test . Q: Is the battery in good condition? YES : Go to Step 5. NO : Charge or replace the battery. Then go to STEP 4. Charging system check − On−vehicle Service/Alternator Output Line Voltage Drop Test . Q: Is the check result normal? YES : Go to Step 5. NO : Repair or replace the charging system STEP 5. Check whether the diagnosis code is Q: Is the diagnosis code No. C2101 set? YES : Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ). Then go to Step 6. NO : The trouble can be an intermittent − How to Use Troubleshooting/How to Cope with STEP 6. Check whether the diagnosis code is Q: Is the diagnosis code No. C2101 set? YES : Return to Step 1. NO : This diagnosis is complete. Code No. C1395 Brake fluid filling not completed CAUTION • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior − CAN Bus Diagnostics Table ). • Whenever ECU is replaced, ensure that the CAN bus lines are normal. • When the hydraulic unit (integrated with ASC- ECU) is replaced, always carry out the calibra- and DIAGNOSIS CODE SET CONDITIONS PROBABLE CAUSES • Different hydraulic unit (For delivery to factory) • ASC-ECU malfunction DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III CAN bus diagnosis Q: Is the check result normal? YES : Go to Step 2. NO : Repair the CAN bus lines (Refer to GROUP − CAN Bus Diagnostics Table ). On completion, go to Step 2. STEP 2. Check whether the diagnosis code is Q: Is the diagnosis code No. C1395 set? YES : Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ). NO : This diagnosis is complete. |