Battery Charger B Input Current Sensor Circuit

Common symptoms

What you'll notice

• Check and clean the battery terminals to ensure proper connection.
• Inspect the battery charger input cables for any damage or fraying, and replace if necessary.
• Test the battery charger input current sensor for proper functionality and replace if faulty.
• Verify that the battery charger is compatible with the vehicle's electrical system and meets the required specifications

Common causes

Most likely first

1. Faulty battery charger
2. Loose or damaged electrical connections in the input current sensor circuit
3. Malfunctioning input current sensor
4. Defective circuitry in the battery charger
5. Faulty control module regulating the input current in the battery charger

How to diagnose & fix

Work through it in order

1. Battery draining quickly or not holding a charge
2. Malfunctioning electrical components
3. Warning light illuminates
4. Poor acceleration or loss of power