Mazda 2: Determining Malfunctioning Part (HS-CAN) [Multiplex Communication System]

Mazda 2 2007-2014 Service Manual / Body and Accessories / Determining Malfunctioning Part (HS-CAN) [Multiplex Communication System]


1. Verify the CAN system-related module DTCs and the failed module using the M-MDS.

2. Look for a DTC display pattern and failed module display pattern in tandem which match.



 M-MDS and Vehicle Not Communicating [Multiplex Communication System]

CAUTION: Perform the following on-board diagnosis according to FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] troubleshooting procedure. Detection Condition Possible causes of communication errors

 ON-Board Diagnostic Wiring Diagram [Instrument Cluster]

DTC INSPECTION [Instrument Cluster] 1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. Select "S

 DTC Table [Instrument Cluster]

*1 Vehicles with tire pressure monitoring system *2 ATX DTC B1A84:41/U0300:00 Diagnostic Procedure DTC B1A84:51/U2100:00 Diagnostic Procedure DTC P0070:14 System Wiring Diagram Diagnostic P


 Winter Driving

Carry emergency gear, including tyre chains, window scraper, fl ares, a small shovel, jumper leads, and a small bag of sand or salt. Ask an expert repairer, we recommend an Authorised Mazda Repairer to check the following: Have the proper ratio of antifreeze in the radiator.  

 Brake Fluid

BRAKE FLUID INSPECTION 1. Verify that the brake fluid level in the reserve tank is between the MAX and MIN marks. If the brake fluid level is below the MIN mark, add brake fluid. BRAKE FLUID AIR BLEEDING CAUTION: Keep the fluid level in the reservoir at 3/4 full or more during the air blee

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