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.
2012 Ford Focus ELE-Electric EngineFACTORY OEM SERVICE PROCEDURE
Relay Box
- Application and ID
- Locations
- Diagrams
- Body Control Module (BCM)
- C1035C Battery Junction Box (BJB)
- C1617G High Current Battery Junction Box (BJB)
- C1617J High Current Battery Junction Box (BJB)
- C1617K High Current Battery Junction Box (BJB)
- High Current Battery Junction Box (BJB)
- C1035A Battery Junction Box (BJB)
- C1035B Battery Junction Box (BJB)
- C1617A High Current Battery Junction Box (BJB)
- C1617B High Current Battery Junction Box (BJB)
- C1617C High Current Battery Junction Box (BJB)
- C1617D High Current Battery Junction Box (BJB)
- C1617E High Current Battery Junction Box (BJB)
- C1617F High Current Battery Junction Box (BJB)
- C1617L High Current Battery Junction Box (BJB)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.