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 Infiniti G37 Base, 2D ConvertibleFACTORY OEM SERVICE PROCEDURE
Power Distribution System
POWER CONTROL SYSTEM (POWER DISTRIBUTION SYSTEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B2553 IGNITION RELAY | IGNITION RELAY |
| B260A IGNITION RELAY | IGNITION RELAY |
| B2614 ACC RELAY CIRCUIT | ACC RELAY CIRCUIT |
| B2615 BLOWER RELAY CIRCUIT | BLOWER RELAY CIRCUIT |
| B2616 IGNITION RELAY CIRCUIT | IGNITION RELAY CIRCUIT |
| B2618 BCM | BCM |
| B261A PUSH-BUTTON IGNITION SWITCH | PUSH-BUTTON IGNITION SWITCH |
Factory Service Tools
Use the Manual With the Right Hardware
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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.