OE Quality
60-Day Returns

Standard Ignition BSC34 Battery Current Sensor
Overview of Standard Ignition Battery Current Sensor BSC34
The Standard Ignition Battery Current Sensor BSC34 is designed for precise monitoring of battery current in select Lexus and Toyota vehicles. Engineered to meet OEM specifications, this sensor ensures reliable electrical system performance for models like the Lexus NX300h and Toyota RAV4.
- Connector Gender: Female for secure connection
- Connector Quantity: 3-pin configuration
- Connector Shape: Rectangular plug-in design
- Connector Type: Plug-in for easy installation
- Terminal Gender: Male bullet terminals
- Terminal Type: Bullet terminals for reliable contact
Detailed Product Description
The Standard Ignition BSC34 battery current sensor features a three-pin female rectangular connector that plugs directly into the vehicle’s wiring harness, providing a stable and secure electrical connection. The male bullet terminals ensure consistent contact with the battery circuit, facilitating accurate current measurement. This sensor is specifically compatible with Lexus NX300h and Toyota RAV4 models, making it a suitable replacement part for maintaining proper charging and starting system function.
Applications and Common Issues Addressed
- Monitors battery current to prevent overcharging or undercharging
- Helps diagnose electrical charging system faults
- Supports hybrid system battery management in Lexus NX300h
- Prevents starting issues related to faulty current sensing
- Ensures accurate data for vehicle’s onboard computer systems
Installation Notes and Tips
Installation of the Standard Ignition BSC34 sensor requires disconnecting the battery and accessing the sensor location on compatible Lexus NX300h and Toyota RAV4 models. The plug-in rectangular connector with female gender and three pins allows for straightforward connection without modification. Ensure the male bullet terminals are properly seated to maintain electrical continuity. It is recommended to verify sensor operation with diagnostic tools after installation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. The BSC34 battery current sensor undergoes rigorous quality control testing. Warranty coverage details should be confirmed at the time of purchase, typically including protection against manufacturing defects for a specified period.
| Brand | Standard Ignition |
| Part Number | BSC34 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Bullet |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2020 | Lexus | NX300h | FULL HYBRID EV-GAS (FHEV) | N/A | To 04/2019 |
| 2019 | Lexus | NX300h | FULL HYBRID EV-GAS (FHEV) | N/A | To 04/2019 |
| 2018 | Lexus | NX300h | FULL HYBRID EV-GAS (FHEV) | N/A | |
| 2018 | Toyota | RAV4 | N/A | ||
| 2017 | Lexus | NX300h | FULL HYBRID EV-GAS (FHEV) | N/A | |
| 2017 | Toyota | RAV4 | N/A | ||
| 2016 | Lexus | NX300h | FULL HYBRID EV-GAS (FHEV) | N/A | |
| 2016 | Toyota | RAV4 | N/A | ||
| 2015 | Lexus | NX300h | FULL HYBRID EV-GAS (FHEV) | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.