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RADIO AND CD PLAYER CHASSIS ELECTRICAL 54A-221 DIAGNOSIS CODE PROCEDURES Code No.U0141 ETACS CAN timeout CAUTION • If the diagnosis code No. U0141 is set, be sure to diagnose the CAN bus line. • When replacing the radio and CD player, always check that the communication circuit • When the ETACS-ECU of vehicles without KOS is replaced, the encrypted code of the − How to Register Key ID .) DIAGNOSTIC FUNCTION If the signal from ETACS-ECU cannot be received, JUDGEMENT CRITERIA With the statuses that the ignition switch is at ON − 16 V (data from ETACS-ECU), and there is no malfunction to the PROBABLE CAUSES • Malfunction of CAN bus line • Malfunction of radio and CD player • Malfunction of ETACS-ECU DIAGNOSIS 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 line (Refer to GROUP − Troubleshooting ). STEP 2. M.U.T.-III other system diagnosis code Q: Is the diagnosis code set? YES : Diagnose the ETACS-ECU (Refer to GROUP 54A − ETACS-ECU − Troubleshooting ), and then go to Step 3. NO : Go to Step 3. STEP 3. Check the M.U.T.-III Diagnosis code for Q: Is the diagnosis code set? YES : Go to Step 4. NO : Go to Step 5. STEP 4. Diagnosis code recheck position to the "ON" position. (3) Check if the diagnosis code is set. Q: Is the diagnosis code set? YES : Replace the ETACS-ECU. NO : A poor connection, open circuit or other − How to Use Troubleshooting/Inspection Service U1000 OSS CAN timeout U1190 No receive fault detect signal U1195 Coding not completed Diagnosis Diagnostic item Reference page |