B1461 – OBD-II DTC

OBD-II DTC B1461 – Wiper Washer Pump Motor Relay Coil Circuit Short To Ground

DTC B1461 meaning

DTC B1461 refers to a diagnostic trouble code indicating a short circuit to ground in the wiper washer pump motor relay coil circuit. This code is generated when the vehicle’s onboard diagnostic system detects an abnormal electrical condition in the relay circuit that controls the wiper washer pump. The relay is responsible for supplying power to the washer pump, and a short to ground can prevent the pump from functioning properly.

DTC B1461 symptoms

Common symptoms associated with DTC B1461 may include:

• Inoperative windshield washer system
• Washer pump not activating when the switch is engaged
• Possible blown fuses related to the washer pump circuit
• Dashboard warning lights may illuminate

DTC B1461 causes

Several factors can lead to the occurrence of DTC B1461, including:

• Faulty wiper washer pump motor relay
• Damaged wiring or connectors in the relay circuit
• Short circuit in the wiring harness
• Defective washer pump motor
• Corrosion or poor connections in the electrical system

DTC B1461 seriousness

The seriousness of DTC B1461 can vary depending on the situation. While it may not pose an immediate safety risk, it can affect visibility during inclement weather if the windshield washer system is inoperative. It is advisable to address this issue promptly to ensure proper vehicle operation and safety.

How to diagnose DTC B1461

To diagnose DTC B1461, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the wiper washer pump motor relay and its connections for any visible damage.
3. Check the wiring harness for signs of wear, fraying, or corrosion.
4. Test the relay using a multimeter to ensure it is functioning correctly.
5. Examine the washer pump motor for proper operation.
6. Perform continuity tests on the circuit to identify any shorts to ground.

How to fix DTC B1461 step-by-step instructions

To fix DTC B1461, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and replace any damaged wiring or connectors in the wiper washer pump relay circuit.
3. Replace the faulty wiper washer pump motor relay if it is not functioning correctly.
4. Test the washer pump motor and replace it if it is defective.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the windshield washer system to ensure it operates correctly.

How to erase DTC B1461

To erase DTC B1461, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the DTC menu on the scanner and select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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