DTC B1098-11: Parking Light (LH), Front Side Marker Light (LH), Taillight (RH) Or Rear Side Marker Light (RH) Circuit Malfunction [Electrical Supply Unit (ESU)]: Notes

DTC B1098-11: (ELECTRICAL SUPPLY UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Parking light (LH), front side marker light (LH), 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), front side marker light (LH), taillight (RH) or rear side marker light (RH) circuit.
Fail-safe	Not applicable
Possible cause	Electrical supply unit (ESU) connector or terminal malfunction Front side marker light bulb (LH) malfunction Front side marker light (LH) connector or terminal malfunction Front combination light (LH) connector or terminal malfunction Short to ground in wiring harness between the following terminals: Front combination light (LH) terminal D-Electrical supply unit (ESU) terminal 4I Front side marker light (LH) terminal A-Electrical supply unit (ESU) terminal 4I Front combination light (LH) malfunction Rear side marker light bulb (RH) malfunction Rear side marker light (RH) connector or terminal malfunction Rear combination light (RH) connector or terminal malfunction Short to ground in wiring harness between the following terminals: Rear combination light (RH) terminal C-Electrical supply unit (ESU) terminal 2A Rear side marker light (RH) terminal A-Electrical supply unit (ESU) terminal 2A Rear combination light (RH) malfunction Electrical supply unit (ESU) malfunction
Courtesy of MAZDA MOTORS CORP.