HINT
It is only necessary to perform the inspection in the above table for the result (short circuit) that was obtained in the Check CAN
Bus Wire inspection.
Find the necessary inspection from the Purpose column that matches the result in the Result column from the Check CAN Bus
Wire inspection.
NG -- REPAIR OR REPLACE CAN NO. 2 BUS BRANCH WIRE OR CONNECTOR (CAN NO. 4 J/C - CLEARANCE
WARNING ECU)
OK -- REPLACE CLEARANCE WARNING ECU See: Accessories and Optional Equipment/Collision Avoidance and Parking
Assist Systems/Parking Assist Control Module/Service and Repair/Clearance Warning ECU/Removal
Part 1
NETWORKING: CAN COMMUNICATION SYSTEM: U1002: Lost Communication with Gateway Module (Power Management1)
U1002 - Lost Communication with Gateway Module (Power Management1)
DESCRIPTION
* The power management control ECU will store this DTC when no signals can be received from the ECUs that have been memorized as those
that are connected to the CAN No. 2 bus.
* When the power management control ECU receives a response signal from the ECUs connected to the CAN No. 2 bus, the power
management control ECU recognizes and memorizes that the ECU is connected to the CAN No. 2 bus. Based on this memorized data, the
power management control ECU monitors for malfunctions in the ECUs connected to the CAN No. 2 bus when communicating with those
ECUs. If the power management control ECU cannot receive response signals from the ECUs that have been memorized as those connected to
the CAN No. 2 bus, the power management control ECU determines that a malfunction exists.
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