Can Bus Diagnostics Table
WARNING: This page is about a different car, the 2017 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
During diagnosis, a diagnostic trouble code associated with another system may be set when the ignition switch is turned "ON" with connector(s) disconnected. After completing the repair, confirm all systems for diagnostic trouble code(s). If diagnostic trouble code(s) are set, erase them all.
This diagnosis applies only to the CAN bus lines. If a different system is defective, proceed to the applicable diagnosis section for each system. Observe the diagnostic procedure below only when the CAN bus line is defective.
Scan tool (M.U.T.-III) screen
|
Diagnostics detail | |||
|---|---|---|---|---|
| Comment | ||||
| Failure in red displayed area is estimated. | Diagnostic Item 1 Communication with no ECUs is possible . | |||
| - | - | Diagnostic Item 2 (1) Diagnose shorts in the power supply to CAN bus line | ||
| - | - | Diagnostic Item 3 (1) Diagnose shorts in the ground to CAN bus line | ||
| - | - | Diagnostic Item 4 (1) Diagnose shorts between CAN_H and L lines | ||
| Failure in red displayed area is estimated. | Diagnostic Item 5 Diagnose when the scan tool cannot receive the data sent by ETACS-ECU. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 6 Diagnose when the scan tool cannot receive the data sent by combination meter. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 7 Diagnose when the scan tool cannot receive the data sent by SRS-ECU. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 8 Diagnose when the scan tool cannot receive the data sent by KOS&OSS-ECU. <Vehicles with KOS> | |||
| Failure in red displayed area is estimated. | Diagnostic Item 9 Diagnose when the scan tool cannot receive the data sent by auto A/C controller assembly (A/C-ECU). <Vehicles with automatic A/C> | |||
| Failure in red displayed area is estimated. | Diagnostic Item 10 Diagnose when the scan tool cannot receive the data sent by steering wheel sensor. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 11 Diagnose when the scan tool cannot receive the data sent by occupant classification-ECU. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 12 Diagnose the lines between the joint connectors (CAN1 and CAN2) | |||
| Failure in red displayed area is estimated. | Diagnostic Item 13 Diagnose when the scan tool cannot receive the data sent by EPS-ECU. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 14 Diagnose when the scan tool cannot receive the data sent by ASC-ECU. | |||
| Failure in red displayed area is estimated. | Diagnostic Item 15 Diagnose when the scan tool cannot receive the data sent by transaxle control module (TCM). <CVT> | |||
| Failure in red displayed area is estimated. | Diagnostic Item 16 Diagnose when the scan tool cannot receive the data sent by engine control module (ECM). | |||
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NOTE:
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