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DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)> TSB Revision AUTOMATIC TRANSAXLE 23C-193 Code No.C161F: AWC actuator protection 1 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 The AWC-ECU calculates the electronic control cou- . DIAGNOSTIC TROUBLE CODE SET This diagnostic trouble code is set when the control . PROBABLE CAUSES • Electronic control coupling (front) protection con- trol status • Severe driving • Electronic control coupling (front) failure (clutch slippage, etc.) • Outside temperature signal failure • Wheel speed signal failure • Engine-related failure (engine speed signal fail- ure) • Ignition off time signal failure DIAGNOSTIC PROCEDURE STEP 1. Check whether the diagnostic trouble code is control, leave the vehicle for 15 minutes or longer after the (2) Erase the diagnostic trouble code. NOTE: Do not carry out the severe test drive. (4) Check if the diagnostic trouble code is set. YES : Go to Step 2. STEP 2. M.U.T.-III CAN bus diagnostics. YES : Go to Step 4. − Troubleshooting ). After repairing the CAN bus line, go to Step 3. STEP 3. Check whether the diagnostic trouble code is YES : Go to Step 4. |