Multiplex Communication System: Flowchart

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Use the following flowchart to verify the cause of the trouble.

Fig 1: Multiplex Communication System Troubleshooting Flow Chart (1 Of 2)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Multiplex Communication System Troubleshooting Flow Chart (2 Of 2)
Courtesy of MAZDA MOTORS CORP.