Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Mazda 3 i, AutomaticFACTORY OEM SERVICE PROCEDURE
Accessory Control DTCS
ACCESSORY CONTROL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B1014 | RAIN SENSOR ERROR (IF EQUIPPED, FOR CANADA ONLY) |
| B1217 | ALARM ACTIVATION HORN CIRCUIT FAILURE |
| B1311 | UNLOCK SWITCH OPEN |
| B1317 | BATTERY VOLTAGE HIGH |
| B1318 | BATTERY VOLTAGE LOW |
| B1320 | DOOR AJAR (LF) CIRCUIT OPEN |
| B1328 | DOOR AJAR (RF) CIRCUIT OPEN |
| B1336 | DOOR AJAR (RR) CIRCUIT OPEN |
| B1342 | ECU IS FAULTED |
| B1345 | HEATED BACKLITE INPUT CIRCUIT SHORT TO GROUND |
| B1350 | HEATED BACKLITE RELAY SHORT TO GROUND |
| B1447 | WIPER PARK SENSE CIRCUIT OPEN |
| B1472 | HEADLIGHT ON STATUS SWITCH INPUT CIRCUIT SHORT TO GROUND |
| B1502 | LIGHT TURN SIGNAL LEFT CIRCUIT SHORT TO GROUND |
| B1506 | LIGHT TURN SIGNAL RIGHT CIRCUIT SHORT TO GROUND |
| B1520 | HOOD SWITCH OPEN CIRCUIT |
| B1570 | HEADLIGHT HIGH BEAM STATUS INPUT CIRCUIT SHORT TO BATTERY |
| B1572 | DOOR AJAR (LR) CIRCUIT OPEN |
| B1607 | KEY ILLUMINATION CIRCUIT SHORT TO BATTERY |
| B1614 | REAR WIPER INTERVAL SWITCH INPUT CIRCUIT SHORT TO GROUND |
| B1696 | AUTO LIGHT SWITCH INPUT CIRCUIT SHORT TO GROUND (IF EQUIPPED, FOR CANADA ONLY) |
| B1798 | POSITION LIGHT SWITCH (TNS) INPUT CIRCUIT SHORT TO GROUND |
| B1812 | BACKUP LIGHT SWITCH INPUT CIRCUIT SHORT TO BATTERY |
| B1873 | TURN SIGNAL/HAZARD POWER FEED CIRCUIT SHORT TO GROUND |
| B2017 | DRL LEFT OUTPUT CIRCUIT FAILURE |
| B2018 | DRL RIGHT OUTPUT CIRCUIT FAILURE |
| B2060 | HEATED BACKLITE INDICATOR CIRCUIT FAILURE |
| B2095 | RESET SWITCH CIRCUIT FAILURE |
| B2096 | SET SWITCH CIRCUIT FAILURES |
| B2114 | FRONT WASHER SWITCH INPUT CIRCUIT SHORT TO BATTERY |
| B2175 | A/C REQUEST SIGNAL CIRCUIT SHORT TO GROUND |
| B2180 | FRONT WIPER SWITCH (SLOW) CIRCUIT SHORT TO GROUND |
| B2181 | FRONT WIPER SWITCH (FAST) CIRCUIT SHORT TO GROUND |
| B2212 | PANEL LIGHT CONTROL CIRCUIT FAILURE |
| B2218 | CENTRAL LOCKING SWITCH CIRCUIT FAILURE |
| B2254 | FRONT FOG LIGHT SWITCH FAILURE |
| B2259 | FRONT WIPER VARIABLE INTERMITTENT SWITCH CIRCUIT FAILURE INTERMITTENT WIPER CIRCUIT FAILURE |
| B2559 | TRUNK LID LOCK/UNLOCK SWITCH CIRCUIT FAILURE |
| B2477 | MODULE CONFIGURATION FAILURE |
| B2479 | PARK BRAKE SWITCH CIRCUIT OPEN |
| B2512 | FRONT FOG RELAY SHORT TO BATTERY |
| B2555 | DOME LIGHT OUTPUT CIRCUIT SHORT TO BATTERY |
| B2574 | DRIVER DOOR LOCK SWITCH SHORT TO GROUND |
| B2721 | LIFTGATE/DECKLID AJAR OUTPUT SHORT TO GROUND |
| B2897 | AUTO LIGHT RELAY CIRCUIT FAILURE |
| B2898 | RIGHT TURN SIGNAL INDICATOR OUTPUT FAILURE |
| B2899 | LEFT TURN SIGNAL INDICATOR OUTPUT FAILURE |
| B2966 | FRONT WASHER SWITCH STUCK |
| B1189 | BRAKE FLUID LEVEL SENSOR INPUT CIRCUIT OPEN |
| U2030 | RAIN SENSOR CO0MMUNICATION FAULT (IF EQUIPPED, CANADA ONLY) |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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