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LAN-142 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)] EV SYSTEM CAN CIRCUIT 1. Turn the power switch OFF. 2. Disconnect the 12V battery cable from the negative terminal. Refer to LAN-26, "Precautions for Removing 3. Disconnect all the control unit connectors on EV system CAN circuit. For the removal of Li-ion battery con- troller, refer to EVB-201, "LI-ION BATTERY CONTROLLER : Removal and Installation" . 4. Check terminals and connectors for damage, bend and loose connection. YES >> GO TO 3. NO >> Repair the terminal and connector. 3. CHECK HARNESS CONTINUITY (SHORT CIRCUIT) Check the continuity between the data link connector terminals. Is the inspection result normal? YES >> GO TO 4. NO >> Check the harness and repair the root cause. 4. CHECK HARNESS CONTINUITY (SHORT CIRCUIT) Check the continuity between the data link connector and the ground. Is the inspection result normal? YES >> GO TO 5. NO >> Check the harness and repair the root cause. 5. CHECK HARNESS CONTINUITY (SHORT CIRCUIT) Check the continuity between the vehicle communication harness connector terminals. Refer to Is the inspection result normal? YES >> GO TO 6. NO >> Repair the vehicle communication harness. 6. CHECK HARNESS CONTINUITY (SHORT CIRCUIT) Check the continuity between the vehicle communication harness connector and the ground. Refer to Is the inspection result normal? YES >> GO TO 7. NO >> Repair the vehicle communication harness. Data link connector Continuity Connector No. Terminal No. M4 13 12 Not existed Data link connector Ground Continuity Connector No. Terminal No. M4 13 Not existed 12 Not existed Vehicle communication harness (LB1) Continuity Terminal No. 1 2 Not existed Vehicle communication harness (LB1) Ground Continuity Terminal No. 1 Not existed 2 Not existed |