DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in
DESCRIPTION The cause of the malfunction may be a shutdown signal. Check whether there is a shutdown signal +B short circuit. Related Parts Check Area Inspection Step HSDN terminal voltage Check that the HSDN terminal voltage decreases while READY OFF (IG ON). If the voltage is low, the