Standard Ignition BSC78 Battery Current Sensor

Battery Current Sensor for Toyota Avalon and Camry

Standard Ignition BSC78 is a battery current sensor for select Toyota charging system applications. It uses a rectangular 3-pin plug-in connector with a female connector housing and male bullet terminals for a direct-fit electrical connection.

Key Features

• Battery current sensor for charging system monitoring
• Female connector gender with 3 connector cavities
• Rectangular plug-in connector design
• Male bullet terminal type
• Fits 2013-2017 Toyota Avalon and 2012-2017 Toyota Camry

Detailed Description

Standard Ignition BSC78 is built for Toyota vehicles that use a battery current sensor in the electrical charging and starting system. The sensor’s connector layout includes a female, rectangular, plug-in style connector with three terminals, helping maintain the correct electrical interface at the battery monitoring point. This part number, BSC78, is listed for 2013-2017 Toyota Avalon and 2012-2017 Toyota Camry applications.

This part cross-references 8989233020 and CTB80 for the same application.

What It Helps Address

• Battery current sensor fault codes
• Charging system warning lights
• Incorrect battery current monitoring readings
• Electrical communication issues at the sensor connector
• Starting or charging performance concerns tied to sensor failure

Installation Notes and Tips

Verify connector shape, terminal style, and vehicle application before installation. Match the existing sensor connection on the Toyota Avalon or Toyota Camry to confirm the correct fitment for BSC78. Inspect the harness connector and terminals for corrosion, looseness, or damage before connecting the replacement sensor.

Quality Assurance

Standard Ignition supplies electrical components for service replacement applications. BSC78 is built to match the listed connector and terminal configuration for the specified Toyota fitments.