•  To contribute to system simplification and wiring harness reduction, a front body control module (FBCM), start stop unit, and rear body control module (RBCM) to which parts such as the lights, wipers, switches, and door locks are connected have been installed to each location in the vehicle's front, dashboard, and rear, and the 3 modules are connected by CAN.

•  If a vehicle with a malfunction in a system controlled by a CAN system related module is brought in, verify the repair order form and the malfunctioning symptom first, then perform CAN malfunction diagnosis to determine if the malfunction cause is in the CAN system or not.

•  For CAN malfunction diagnosis, the voltage at the CAN connection terminal on the DLC-2 is measured, and based on the measured value, the CAN circuit can be examined or the malfunction symptom can be determined.

•  If the malfunction symptom is not an open circuit, inspect the voltage or continuity at the CAN circuit and determine the malfunctioning part.

•  If the occurring malfunction is an open circuit, determine the location of the open circuit using the displayed transmission error DTC and the module in which transmission failed.

•  Not applicable

•  Not applicable