LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 M >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Body Control System] >> DTC U2030 >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U2030: Notes

DTC U2030 DETECTION CONDITION POSSIBLE CAUSE

DTC U2030 Rain sensor communication fault (If equipped, for Canada only.)
DETECTION CONDITION  Communication error to rain sensor
POSSIBLE CAUSE 
  • Open circuit in wiring harness between PJB terminal J-06 AD and rain sensor terminal C
  • Short to power supply in wiring harness between PJB terminal J-06 AD and rain sensor terminal C
  • Short to GND in wiring harness between PJB terminal J-06 AD and rain sensor terminal C
  • Rain sensor malfunction
  • PJB malfunction
G04956618Courtesy of MAZDA MOTORS CORP.