Mazda 2: Foreword [Multiplex Communication System]
Mazda 2 2007-2014 Service Manual / Body and Accessories / Foreword [Multiplex Communication System]
- If the CAN system is considered to be the cause of the malfunction based on the repair order form and the malfunctioning symptom, follow the Troubleshooting Procedure.
- DTCs are also output due to a control module or sensor malfunction, or incorrect power supply. Verify the output DTCs and first inspect the DTCs not shown in DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM].
- If there is an open circuit in the communication lines, it is possible that signal error DTCs may be output in addition to communication error DTCs. Perform DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] if the communication error and signal error DTCs are output simultaneously.
Troubleshooting Procedure
*1 DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM]
*2 DTC U0001:88, U0073:00 [MULTIPLEX COMMUNICATION SYSTEM]
*3 DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM]
*4 M-MDS AND VEHICLE NOT COMMUNICATING [MULTIPLEX COMMUNICATION SYSTEM]
DTC Table [Multiplex Communication System]
HS-CAN
*1 If only the target DTCs are displayed, perform the corresponding DTC inspection without determining the open circuit location.
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Determining Malfunctioning Part (HS-CAN) [Multiplex Communication System]
CAUTION:
If the malfunctioning part is detected in the communication line, before
disconnecting the related connector for inspection,
press the connector in the connection direction to verify tha
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
SEE MORE:
Engine
ENGINE REMOVAL/INSTALLATION
WARNING:
Fuel vapor is hazardous. It can very easily ignite, causing serious
injury and damage. Always keep sparks and flames away
from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause
serious injuries or death and damage. Fuel can also
DTC Display
NOTE:
If the self-test is implemented, the seat weight sensor calibration is
performed. Perform
the DTC inspection in accordance with the following conditions:
Do not place objects on the front seat (passenger side)
Do not touch the front seat (passenger side)
Fix the slide position of th
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