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TROUBLESHOOTING ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-69 Code No. C1555: Steering wheel sensor exceeding the normal range OPERATION The steering wheel sensor output signal is sent to DIAGNOSIS CODE SET CONDITIONS When an abnormality (larger than the actual maxi- PROBABLE CAUSES • Steering wheel sensor malfunction • Steering wheel sensor improper installation • Steering wheel sensor calibration error • ASC-ECU malfunction DIAGNOSTIC PROCEDURE STEP 1. M.U.T.-III data list ±5° from the neutral position.(Refer • Item No. 16: Steering angle sensor Q: Is the check result normal? YES : Go to Step 2. NO : Perform calibration of steering wheel .) STEP 2. Steering wheel sensor installation state Q: Is the check result normal? YES : Go to Step 3. NO : Install the steering wheel sensor correctly. STEP 3. M.U.T.-III data list .) • Item No. 16: Steering angle sensor Q: Is the check result normal? YES : Go to Step 4. NO : After the steering wheel is replaced, perform STEP 4. Diagnosis code recheck Q: Is diagnosis code No. C1505 set? YES : Replace the ASC-ECU. NO : Intermittent malfunction (Refer to GROUP − How to Cope with Intermittent .) Code No. C1607: Malfunction of ASC-ECU CAUTION If there is any problem in the CAN bus lines, an DIAGNOSIS CODE SET CONDITIONS When an abnormality is present in the internal PROBABLE CAUSES ASC-ECU malfunction DIAGNOSTIC PROCEDURE STEP 1. M.U.T.-III CAN bus diagnostics Q: Is the check result normal? YES : Go to Step 2. NO : Repair the CAN bus lines. (Refer to GROUP completion, go to Step 2. Main Index Group TOC |