Engine Compartment Fuse Box Diagram for 2016 Honda Civic Sedan
Engine Compartment Fuse Box Diagram for 2016 Honda Civic Sedan

2016 Honda Civic OBD2 Fuse and Fuse Box Location Guide

Understanding the fuse box layout in your 2016 Honda Civic is crucial for diagnosing and resolving electrical issues. This guide will walk you through the fuse box locations and diagrams for your vehicle, with a focus on fuses that may be relevant to your OBD2 port and overall vehicle diagnostics. Knowing where these fuses are and what they protect can save you time and potentially money on repairs.

Your 2016 Honda Civic sedan is equipped with two primary fuse boxes. These are strategically placed to protect different circuits throughout your car. Let’s explore each location and its corresponding fuse diagram.

Engine Compartment Fuse Box Diagram

The engine compartment fuse box is, as the name suggests, located in the engine bay. It houses fuses and relays that protect critical engine and vehicle systems. This box is essential for functions like engine management, cooling, and exterior lighting.

Engine Compartment Fuse Box Diagram for 2016 Honda Civic SedanEngine Compartment Fuse Box Diagram for 2016 Honda Civic Sedan

Here is a breakdown of the fuses located in the engine compartment fuse box of your 2016 Honda Civic:

Type No. Description
Multi fuse block MUSB 1 Passenger’s Power Seat, Rear Seat Heaters
Multi fuse block MUSB 1 Cooling Fan (2.0L engine models)
Multi fuse block MUSB 1 Cooling Fan (1.5L engine models)
Multi fuse block MUSB 1 IG Main (Models with smart entry system)
Multi fuse block MUSB 1 – (Models without smart entry system)
Multi fuse block MUSB 1 Headlight High Beam Main
Multi fuse block MUSB 1 Battery
Multi fuse block MUSB 2 EPS
Multi fuse block MUSB 2 IG Main (Models with smart entry system)
Multi fuse block MUSB 2 IG Mail (Models without smart entry system)
Multi fuse block MUSB 2 Fuse Box Option
Multi fuse block MUSB 2 Fuse Box
Multi fuse block MUSB 2 Front Wiper Motor
Multi fuse block MUSB 2 Headlight Low Beam Main
Multi fuse block MUSB 3 Rear Defroster
Multi fuse block MUSB 3 Starter Motor (Models with smart entry system)
Multi fuse block MUSB 3 _ (Models without smart entry system)
Multi fuse block MUSB 3 Fuse Box
Multi fuse block MUSB 3 ABS/VSA Motor
Multi fuse block MUSB 3 ABS/VSA FSR
Multi fuse block MUSB 3 Blower Motor
Multi fuse block MUSB 4
Fuse MINI 5A 5 Cooling Fan
Fuse MINI 15A 6 Washer
Fuse MINI 15A 7 Fl Main
Fuse MINI 15A 8 FI Sub
Fuse MINI 10A 9 Stop Lights
Fuse MINI 15A 10 Injector (1.5L engine models)
Fuse MINI 5A 11 LAF
Fuse MINI 10A 12 FI ECU
Fuse MINI 10A 13 Parking Lights
Fuse MINI 15A 14 Hazard
Fuse MINI 15A 15 IG Coil
Fuse MINI 15A 16 Transmission (Continuously variable transmission models)
Fuse MINI 10A 17 Daytime Running Lights
Fuse MINI 10A 18 Back Up
Fuse MINI 15A 19 Audio
Fuse MINI 30A 20 Audio AMP
Fuse MINI 10A 21 Interior Lights
Fuse MINI 15A 22 Front Fog Lights
Fuse MINI 10A 23 A/C Compressor
Fuse MINI 10A 24 Horn
Fuse MINI 10A 25 Left Headlight Low Beam
Fuse MINI 10A 26 Right Headlight Low Beam
Fuse MINI 10A 27 VB ACT (1.5L engine models)
Fuse MINI 10A 28 Left Headlight High Beam
Fuse MINI 10A 29 Right Headlight High Beam
Fuse MINI – 30
Fuse MINI 15A 31 Rear Seat Heaters
Fuse MINI 20A 32 Passenger’s Power Seat Sliding
Fuse MINI 20A 33 Passenger’s Power Seat Reclining
Fuse MINI – 34
Fuse MINI – 35
Fuse MINI – 36

Interior Fuse Box Diagram

The interior fuse box in your 2016 Honda Civic is typically located under the dashboard, often on the driver’s side. This fuse box controls circuits for interior comfort, convenience features, and some critical vehicle control modules. It’s important to check this box if you are experiencing issues with systems inside the cabin.

Interior Fuse Box Diagram for 2016 Honda Civic SedanInterior Fuse Box Diagram for 2016 Honda Civic Sedan

Here’s a detailed list of the fuses found in the interior fuse box:

Type No. Description
Fuse MINI 10A 1 Accessory
Fuse MINI – 2 – (Models with smart entry system)
Fuse MINI 5A 2 Key Lock (Models without smart entry system)
Fuse MINI – 3
Fuse MINI 5A 4 Front Sensor Camera (Models with smart entry system)
Fuse MINI 10A 4 Transmission (Models without smart entry system) , Continuously variable transmission models
Fuse MINI 10A 5 Option
Fuse MINI 10A 6 SRS Indicator
Fuse MINI 10A 7 Meter
Fuse MINI 15A 8 Fuel Pump
Fuse MINI 10A 9 AIRCON
Fuse MINI – 10
Fuse MINI 5A 11 Engine Control
Fuse MINI 10A 12 Passenger Side Door Lock
Fuse MINI 10A 13 Driver Side Rear Door Unlock
Fuse MINI 20A 14 Rear Driver’s Side Power Window
Fuse MINI 20A 15 Front Passenger’s Side Power Window
Fuse MINI 20A 16 Door Lock
Fuse MINI 10A 17 Transmission (Models with smart entry system), Continuously variable transmission models
Fuse MINI 5A 17 Front Sensor Camera (Models without smart entry system)
Fuse MINI – 18
Fuse MINI 20A 19 Moonroof (Models with smart entry system)
Fuse MINI – 20
Fuse MINI 10A 21 ACG
Fuse MINI 10A 22 Daytime Running Lights
Fuse MINI – 23
Fuse MINI 5A 24 Front Sensor Camera (Models with smart entry system)
Fuse MINI 10A 25 Driver’s Door Lock
Fuse MINI 10A 26 Passenger Side Door Unlock
Fuse MINI 20A 27 Rear Passenger’s Side Power Window
Fuse MINI 20A 28 Driver’s Power Window
Fuse MINI 20A 29 Front Accessory Power Socket
Fuse MINI 10A 30 Smart Entry (Models with smart entry system)
Fuse MINI – 30 – (Models without smart entry system)
Fuse MINI 20A 31 Driver’s Power Seat Reclining (Models with smart entry system)
Fuse MINI 20A 32 Front Seat Heater (Models with smart entry system)
Fuse MINI 20A 33 Driver’s Power Seat Sliding (Models with smart entry system)
Fuse MINI 10A 34 VSA/ABS
Fuse MINI 10A 35 SRS
Fuse MINI – 36
Fuse MINI – 37
Fuse MINI 10A 38 Driver Side Rear Door Lock
Fuse MINI 10A 39 Driver’s Door Unlock

OBD2 Port and Related Fuses

While there isn’t a fuse explicitly labeled “OBD2 fuse” in the provided diagrams for the 2016 Honda Civic, the OBD2 port relies on power and communication circuits that are protected by fuses within these boxes.

To ensure your OBD2 port is functioning correctly for diagnostics, you should check fuses related to the following systems:

  • Engine Control Module (ECM) / Powertrain Control Module (PCM): Fuses like “FI ECU” (Fuse #12 in the Engine Compartment Fuse Box) and “Engine Control” (Fuse #11 in the Interior Fuse Box) are vital. A blown fuse here could disable the ECM/PCM, preventing OBD2 communication.
  • Ignition System: Fuses related to ignition, like “IG Main” and “IG Coil”, are also important as the ECM/PCM needs to be powered when the ignition is on for diagnostics.
  • Accessory Power: The OBD2 port often uses accessory power. Check the “Accessory” fuse (Fuse #1 in the Interior Fuse Box) if you suspect a power issue with the port.
  • Transmission Control Module (TCM): For transmission related diagnostics, fuses like “Transmission” in both fuse boxes are relevant, particularly if you have a CVT model.

If you are experiencing issues connecting your OBD2 scanner to your 2016 Honda Civic, start by inspecting these fuses in both the engine compartment and interior fuse boxes. A visual inspection can often reveal a blown fuse. Always replace a blown fuse with one of the same amperage rating.

Disclaimer: This information is for general guidance only. Always consult your 2016 Honda Civic owner’s manual for the most accurate fuse box diagrams and fuse specifications for your specific vehicle trim and options. If you are not comfortable working with automotive electrical systems, it is recommended to seek assistance from a qualified mechanic.

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