Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20083 S TOURING, 4D HATCHBACK, 2.3 4, STANDARDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM)PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION [MULTIPLEX COMMUNICATION SYSTEM]SAS CONTROL MODULE
2008 Mazda 3 s Touring, 4D Hatchback, 2.3 4, Standard
SAS Control Module
2008 Mazda 3 s Touring, 4D Hatchback, 2.3 4, StandardSECTION SAS Control Module
- Inspect the display of DTC U1900 using the M-MDS. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] ).
- Referring to the following table, determine the malfunctioning part of the CAN system.SAS CONTROL MODULE COMMUNICATION CHART
x: Normal -: Communication error Module Communication status Malfunction location Instrument cluster SAS control module - - Wiring harness I
- Wiring harness K
- SAS control module
- Instrument cluster
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.