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.
2007 Ford Taurus SEFACTORY OEM SERVICE PROCEDURE
Wiper/Washer Systems DTCS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1432 | Wiper Brake/Run Relay Circuit Short to Battery | SJB | Go to Pinpoint Test A . |
| B1434 | Wiper Hi/Low Speed Relay Coil Circuit Failure | SJB | Go to Pinpoint Test C . |
| B1436 | Wiper Hi/Low Speed Relay Coil Circuit Short to Battery | SJB | Go to Pinpoint Test C . |
| B1438 | Wiper Mode Select Switch Circuit Failure | SJB | If the windshield wipers are inoperative, go to Pinpoint Test A
. If the windshield wipers do not operate correctly, go to Pinpoint Test C . |
| B1441 | Wiper Mode Select Switch Circuit Short to Ground | SJB | Go to Pinpoint Test B . |
| B1446 | Wiper Park Sense Circuit Failure | SJB | If the windshield wipers are inoperative, go to Pinpoint Test A
. If the windshield wipers do not operate correctly, go to Pinpoint Test C . |
| B1448 | Wiper Park Sense Circuit Short to Battery | SJB | If the windshield wipers stay on continuously, go to Pinpoint Test B
. If the windshield wipers do not operate correctly, go to Pinpoint Test C . |
| B1450 | Wiper Wash/Delay Switch Circuit Failure | SJB | If windshield washer is inoperative, go to Pinpoint Test D
. If the windshield wipers do not operate correctly, go to Pinpoint Test C . |
| B1453 | Wiper Delay Wash Short to Ground | SJB | Go to Pinpoint Test D . |
| B1458 | Wiper Washer Pump Motor Relay Circuit Failure | SJB | If windshield washer is inoperative, go to Pinpoint Test D
. If windshield washer stays on continuously, go to Pinpoint Test E . |
| B1460 | Wiper Washer Pump Motor Relay Coil Circuit Short to Battery | SJB | If windshield washer is inoperative, go to Pinpoint Test D
. If windshield washer stays on continuously, go to Pinpoint Test E . |
| B1465 | Wiper Brake/Run Relay Circuit Open | SJB | If the windshield wipers are inoperative, go to Pinpoint Test A
. If the windshield wipers stay on continuously, go to Pinpoint Test B . |
| B1466 | Wiper Hi/Low Speed Not Switching | SJB | If the windshield wipers are inoperative, go to Pinpoint Test A
. If the windshield wipers stay on continuously, go to Pinpoint Test B . If the windshield wipers do not operate correctly, go to Pinpoint Test C . |
| - | All other DTCs | SJB | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
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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