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Home >> Mazda >> 2017 >> CX-3 Touring, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Electrical Supply Unit >> DTC B1098-11; Parking Light (LH) Or Taillight (RH) Or Rear Side Marker Light (RH) Circuit Malfunction >> Notes

DTC B1098-11; Parking Light (LH) Or Taillight (RH) Or Rear Side Marker Light (RH) Circuit Malfunction: Notes

DTC B1098-11; PARKING LIGHT (LH) OR TAILLIGHT (RH) OR REAR SIDE MARKER LIGHT (RH) CIRCUIT MALFUNCTION - DETECTION CONDITION & POSSIBLE CAUSE

Description Parking light (LH) or taillight (RH) or rear side marker light (RH) circuit malfunction
Detection condition
  • The electrical supply unit (ESU) detects a short to ground in the parking light (LH) or taillight (RH) or rear side marker light (RH) circuit.
Fail-safe Not applicable
Possible cause
  • Electrical supply unit (ESU) connector or terminal malfunction
  • Parking light bulb (LH) malfunction
  • Front combination light (LH) connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
    • Front combination light (LH) terminal C-Electrical supply unit (ESU) terminal 4I (With front combination light (bulb type))
    • Front combination light (LH) terminal D-Electrical supply unit (ESU) terminal 4I (With front combination light (LED type))
  • Front combination light (LH) malfunction
  • Taillight bulb (RH) malfunction
  • Taillight (RH) connector or terminal malfunction
  • Rear side marker light bulb (RH) malfunction
  • Rear side marker light (RH) connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
    • Taillight (RH) terminal C-Electrical supply unit (ESU) terminal 2A
    • Rear side marker light (RH) terminal D-Electrical supply unit (ESU) terminal 2A
  • Rear combination light (RH) malfunction
  • Electrical supply unit (ESU) malfunction
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