2007 Mazda B3000 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Interior Lighting DTCS

INTERIOR LIGHTING SMART JUNCTION BOX DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B1322 Driver Door Ajar Circuit Short to Ground See PINPOINT TEST 2: THE INTERIOR LAMP STAYS ON CONTINUOUSLY , .
B1330 Passenger Door Ajar Circuit Short to Ground See PINPOINT TEST 2: THE INTERIOR LAMP STAYS ON CONTINUOUSLY , .
B1338 Door Ajar RR Circuit Short to Ground See PINPOINT TEST 2: THE INTERIOR LAMP STAYS ON CONTINUOUSLY , .
B1574 Door Ajar LR Circuit Short to Ground See PINPOINT TEST 2: THE INTERIOR LAMP STAYS ON CONTINUOUSLY , .
B1688 Dome Lamp Input Circuit Short to Ground See PINPOINT TEST 2: THE INTERIOR LAMP STAYS ON CONTINUOUSLY , .
All other DTCs - See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - B, C AND U CODES , .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.