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DIAGNOSIS TSB Revision KEYLESS OPERATION SYSTEM (KOS) 42B-119 STEP 4. Recheck for diagnostic trouble code. position. (3) Check if DTC is set. YES : Replace the radio and CD player or CD changer. to GROUP 00 − How to use Troubleshooting/inspection Service Points − How to Cope with Intermittent Malfunction STEP 5. Recheck for diagnostic trouble code. position. (3) Check if DTC is set. YES : Replace KOS-ECU and register the ID codes. (Refer to NO : The trouble can be an intermittent malfunction (Refer to GROUP 00 − How to use Troubleshooting/inspection Service Points − How to Cope with Intermittent Malfunction DTC U0245: Audio visual navigation unit CAN timeout CAUTION • If the DTC U0245 is set, be sure to diagnose the CAN bus line. • When replacing the ECU, always check that the communication circuit is normal. . DIAGNOSTIC FUNCTION When the signals from audio visual navigation unit . TROUBLESHOOTING HINTS • The CAN bus line may be defective. • The KOS-ECU may be defective. • The audio visual navigation unit may be defec- tive. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicles Communication Interface (V.C.I.) • MB991827: M.U.T.-III USB Cable • MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system) |