Mazda 2: DTC U0028:88
System Malfunction Location
- DSC HU/CM communication fault
Detection Condition
WARNING:
- Detection conditions are for understanding the DTC outline before
performing an inspection. Performing an
inspection with only detection conditions may cause injury due to an
operating error, or damage the system.
When performing an inspection, always follow the inspection procedure.
- Communication error to DSC HU/CM
Possible Causes
- DSC HU/CM connector malfunction
- SAS control module connector malfunction
- Open circuit in wiring harness between SAS control module and DSC HU/CM
- Short to power supply in wiring harness between SAS control module and DSC HU/CM
- Short to GND in wiring harness between SAS control module and DSC HU/CM
- DSC HU/CM malfunction
- SAS control module malfunction
System Wiring Diagram
Diagnostic Procedure
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System Malfunction Location
Detection Condition
WARNING:
Detection conditions are for understanding the DTC outline before
performing an
inspection. Performing an inspection according to only th
DTC U3003:16/U3003:17
System Malfunction Location
Detection Condition
WARNING:
Detection conditions are for understanding the DTC outline before
performing an
inspection. Performing an inspection according to only th
PID/DATA Monitor
PID/DATA MONITOR DISPLAY
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 "DataLogger".
Sel
SEE MORE:
Entertainment Location
ENTERTAINMENT LOCATION INDEX
Center roof antenna
Rear door speaker
Audio control switch
Tweeter
Antenna feeder No.2
Antenna feeder No.1
Center panel unit
Front door speaker
Auxiliary jack/USB port
Accessory socket
CENTER PANEL UNIT REMOVAL/INSTALLATION
1. Disconnect the negative battery
Battery
WARNING
Read the following
precautions carefully before using the battery or inspecting to
ensure safe and correct handling:
Always wear eye
protection when working near the battery:
Working without eye protection is dangerous. Battery fl uid contains SULPHURIC
ACID which could cause blindn
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