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ETACS TSB Revision CHASSIS ELECTRICAL 54A-597 STEP 4. Recheck for diagnostic trouble code. position. (3) Check if DTC is set. YES : Replace the S-AWC-ECU. as a poor connection or open circuit in the CAN bus ). STEP 5. Recheck for diagnostic trouble code. position. (3) Check if DTC is set. YES : Replace the ETACS-ECU. as a poor connection or open circuit in the CAN bus ). DTC U0151: SRS-ECU CAN timeout CAUTION • If DTC U0151 is set to the ETACS-ECU, always diagnose the CAN bus line. • Before replacing the ECU, ensure that the communication circuit is normal. . TROUBLE JUDGEMENT If the signal from SRS-ECU cannot be received, the . JUDGEMENT CRITERIA After the following statuses continue to be true for 5 • No abnormality is present to the network. • Ignition switch is in the ON position. • No abnormality is present to the power supply fuse, or the odometer value is at 80.5 km (50.0 • ETACS-ECU system voltage is at 10−16 volts. . TROUBLESHOOTING HINTS • The SRS-ECU may be defective. • The ETACS-ECU may be defective. • The CAN bus may be defective. |