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.
2006 Mazda B3000 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Wiper/Washer DTCS
WIPER/WASHER DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1342 | ECU is Defective | Clear the DTCs. Repeat the self-test. If DTC B1342 is retrieved again, Install a new SJB. See SMART JUNCTION BOX (SJB) . Test the system for normal operation. |
| B1431 | Wiper Brake/Run Relay Circuit Failure | If the wipers are inoperative, see PINPOINT TEST 1: THE WIPERS ARE INOPERATIVE . If the wipers are always on, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . |
| B1432 | Wiper Brake/Run Relay Circuit Short to Battery | See PINPOINT TEST 1: THE WIPERS ARE INOPERATIVE . |
| B1434 | Wiper High/Low Speed Relay Failure | See PINPOINT TEST 3: THE HIGH/LOW WIPER SPEEDS DO NOT OPERATE CORRECTLY . |
| B1436 | Wiper High/Low Speed Relay Coil Circuit Short to Battery | See PINPOINT TEST 3: THE HIGH/LOW WIPER SPEEDS DO NOT OPERATE CORRECTLY . |
| B1446 | Wiper Park Sense Circuit Failure | See PINPOINT TEST 5: THE WIPERS WILL NOT PARK AT THE CORRECT POSITION . |
| B1458 | Wiper/Washer Pump Motor Relay Circuit Failure | If the washers are inoperative, see PINPOINT TEST 6: THE WASHER PUMP IS INOPERATIVE . If the washers are always on, see PINPOINT TEST 7: THE WASHER PUMP STAYS ON CONTINUOUSLY |
| B1460 | Wiper/Washer Pump Motor Relay Circuit Short to Battery | See PINPOINT TEST 6: THE WASHER PUMP IS INOPERATIVE . |
| B1466 | Wiper High/Low Speed Not Switching | See PINPOINT TEST 3: THE HIGH/LOW WIPER SPEEDS DO NOT OPERATE CORRECTLY . |
| B1840 | Wiper Front Power Circuit Failure | See PINPOINT TEST 1: THE WIPERS ARE INOPERATIVE . |
| B2179 | Front Wiper Select Switch A Short to Ground | If the wipers are always on, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . If the intermittent speeds do not operate correctly, see PINPOINT TEST 4: THE INTERMITTENT WIPER SPEED DOES NOT OPERATE CORRECTLY . |
| B2180 | Front Wiper Select Switch B Short to Ground | If the wipers are always on, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . If the intermittent speeds do not operate correctly, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . |
| B2181 | Front Wiper Select Switch C Short to Ground | If the wipers are always on, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . If the intermittent speeds do not operate correctly, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . |
| B2183 | Front Wiper Select Switch H Short to Ground | If the wipers are always on, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . If the high/low speeds do not operate correctly, see PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . |
| B2184 | Front Wiper Select Switch W Short to Ground SJB | See PINPOINT TEST 2: THE WIPERS STAY ON CONTINUOUSLY . |
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:
- • 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.