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Home >> Mazda >> 2008 >> Tribute 4WD L4-2.3L Hybrid >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> CAN Communication Network >> Pinpoint Test 16: No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not Responding
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Pinpoint Test 16: No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not Responding



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PINPOINT TEST 16: NO MEDIUM SPEED CONTROLLER AREA NETWORK (MS-CAN) COMMUNICATION, ALL MODULES ARE NOT RESPONDING - HYBRID

Normal Operation

The medium speed controller area network (MS-CAN) uses an unshielded twisted pair cable, circuits (GY/O) and (V/O). The smart junction box (SJB), audio control module (ACM), dual automatic temperature control (DATC) module, satellite digital audio receiver system (SDARS) module, front display interface module (FDIM) and front controls interface module (FCIM) communicate with the scan tool using the MS-CAN network. The instrument cluster, while on the MS-CAN network, communicates with the scan tool only on the HS-CAN network.

Possible Causes
- Wiring, terminals or connectors
- Instrument cluster
- SJB
- ACM
- FCIM (if equipped)
- DATC module
- SDARS module (if equipped)
- FDIM

Diagnostic Procedure

CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the Pinpoint Test.

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