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Home >> Mazda >> 2011 >> 6 s Touring Plus >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostic [Dynamic Stability Control System] >> DTC U3003:16/U3003:17/U3003:1C [Dynamic Stability Control (DSC)] >> With Advanced Keyless Entry And Push Button Start System

With Advanced Keyless Entry And Push Button Start System

DIAGNOSTIC PROCEDURE REFERENCE CHART

U3003:16  Power supply system
U3003:17 
U3003:1C 
DETECTION CONDITION  U3003:16 
  • The vehicle speed exceeds 3 km/h {2 mph}  and the voltage at DSC HU/CM terminal AF is 10 V or less  .

U3003:17 
  • The voltage at DSC HU/CM terminal AF is 16 V or more. 

U3003:1C 
  • Low ignition voltage (10 V or less)  is detected at the voltage monitor of the solenoid valve or motor monitor.
  • The ABS wheel-speed sensor power supply for all four wheels decreases for a continuous 60 s  with the ignition voltage at 10 V or less. 
POSSIBLE CAUSE 
  • Fuse malfunction
    • MAIN 125 A fuse
    • ABS MOTOR 60 A fuse
    • IG KEY1 40 A fuse
    • ABS SOL 30 A fuse
    • SAS 5 A fuse
  • Battery malfunction
  • Generator malfunction
  • Connector or terminal malfunction
  • Relay block malfunction
  • Short to ground or open circuit in wiring harness between following terminals:
    • DSC HU/CM terminal AG and battery positive terminal
    • DSC HU/CM terminal AH and battery positive terminal
    • DSC HU/CM terminal AF and battery positive terminal
  • DSC HU/CM malfunction
G07621083