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DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)> TSB Revision AUTOMATIC TRANSAXLE 23C-169 STEP 2. Check whether the diagnostic trouble code is code No.C1014 <FL>, C101F <FR>, C102A <RL>, or STEP 3. M.U.T.-III diagnostic trouble code. Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting. STEP 4. M.U.T.-III data list. • Item No.21: Wheel speed sensor <FL> • Item No.22: Wheel speed sensor <FR> • Item No.23: Wheel speed sensor <RL> • Item No.24: Wheel speed sensor <RR> Q: Is the check result normal? YES : Intermittent malfunction. (Refer to GROUP 00 − How to Cope with Intermittent Malfunction ). NO : Replace the AWC-ECU. (Refer to Code No.C1078: Tire Turning Malfunction CAUTION • If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be • Whenever the ECU is replaced, ensure that the CAN bus lines are normal. . OPERATION AWC-ECU receives the wheel speed data from . DIAGNOSTIC TROUBLE CODE SET The wheel speed is observed when the vehicle is . PROBABLE CAUSES • Tire with incorrect diameter equipped • Spare tire installed • Improper tire pressure • Malfunction of ASC-ECU • Malfunction of AWC-ECU |