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Home >> Mazda >> 2004 >> Tribute ES, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 548 (Troubleshooting (Communication Control System)) >> Pinpoint Test 6: No Medium Speed Controller Area Network (Can) Communication >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

The medium speed CAN has an unshielded twisted pair cable, circuits (W/O) and (P/O). The SJB and the instrument cluster are the only modules on the medium speed CAN. Total network resistance values must not be more than 5 ohms. If the resistance is more than 5 ohms there is an open in one of the medium speed CAN circuits, damage to the DLC D-01, damage to one of the network module connectors, or damage to an in-line connector. Since both the SJB and the instrument cluster share network termination responsibilities, a problem in either of these modules can result in a medium speed CAN failure.

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