For more detailed Honda Civic wiring diagrams with functional descriptions, please visit Honda Civic Wiring Diagram

• Figure 1 – Battery, Starting System, Charging System, and Ignition System
• Figure 2 – Gauge Control Module (Tach), and Reminder System
• Figure 3 – Gauge Control Module (Tach)
• Figure 4 – Dash Lights Brightness Control, A/T (Automatic Transmission) Gear Position Indicator, and Gauge Control Module (Speedo)
• Figure 5 – Exterior Lights with HID (High Intensity Discharge)
• Figure 6 – Exterior Lights without HID (High Intensity Discharge)
• Figure 7 – Exterior Lights (KG Models)
• Figure 8 – Front Fog Lights, Dash Lights, Horns, Turn Signal and Hazard Flasher
• Figure 9 – Brake Lights, Back-up Lights, and Headlight Adjuster
• Figure 10 – Combination Light Switch, Hazard Warning Switch, Fog Light Switch, Windshield Wiper, Windshield Washer, and Headlight Washer
• Figure 11 – Ambient Light, Ceiling Light, Courtesy Lights, Glove Box Light, Map Light, Trunk Light and Vanity Mirror Lights
• Figure 12 – Keyless Entry System (Central Locking System), Power Door Locks System, Security System (Alarm System), and MICU – EXCEPT KE MODELS
• Figure 13 – Keyless Entry System (Central Locking System), Power Door Locks System, Security System (Alarm System), MICU and Key Interlock – EXCEPT KE MODELS
• Figure 14 – Keyless Entry System (Central Locking System), Power Door Locks System, Security System (Alarm System), and MICU – KE MODELS
• Figure 15 – Keyless Entry System (Central Locking System), Power Door Locks System, Security System (Alarm System), MICU and Key Interlock – KE MODELS
• Figure 16 – Power Window Master Switch, Driver’s Window Control Unit, Front Passenger’s Window Switch, Left Rear Window Switch, Right Rear Window
• Figure 17 – Sunroof Control Unit and Power Mirrors
• Figure 18 – Power Mirrors, Cigarette Lighter, and Accessory Power Socket
• Figure 19 – Seat Heaters and Seat Heater Relay Boxes
• Figure 20 – Audio Unit, Speaker System, Antenna Module, Radio Remote Switch, Cassette Player Unit, and the Auxiliary Jack Assembly
• Figure 21 – Electric Power Steering (EPS) Control Unit and Steering Gear Box
• Figure 22 – Anti-Lock Braking System (ABS) Modulator Control Unit
• Figure 23 – Vehicle Stability Assist (VSA) Modulator Control Unit
• Figure 24 – Supplemental Restraint System (SRS) (Airbags) LHD Type
• Figure 25 – Supplemental Restraint System (SRS) (Airbags) RHD Type
• Figure 26 – Cruise Control, HVAC (Heating, Ventilation, and Air Conditioning), Climate Control, and Rear Window Defogger
• Figure 27 – Heating, HVAC (Heating, Ventilation, and Air Conditioning), and Climate Control
• Figure 28 – ECM/PCM (Engine Control Module/Powertrain Control Module) for R18A1 and R18A3 engines 
• Figure 29 – ECM/PCM (Engine Control Module/Powertrain Control Module) for R18A1 and R18A3 engines
• Figure 30 –  ECM/PCM (Engine Control Module/Powertrain Control Module) and Shift Lock (A/T) for R18A1 and R18A3 engines
• Figure 31 –  ECM/PCM (Engine Control Module/Powertrain Control Module), Immobilizer System, Keyless Receiver, and Key Interlock (Except KE) for R18A1 and R18A3 engines
• Figure 32 – ECM/PCM (Engine Control Module/Powertrain Control Module) for K20Z2 engine
• Figure 33 – ECM/PCM (Engine Control Module/Powertrain Control Module) for K20Z2 engine
• Figure 34 – ECM/PCM (Engine Control Module/Powertrain Control Module) and Shift Lock (A/T) for K20Z2 engine
• Figure 35 – ECM/PCM (Engine Control Module/Powertrain Control Module), Immobilizer System, Keyless Receiver, and Key Interlock (Except KE) for K20Z2 engine

References on Honda Civic 2006 Wiring Diagram

https://en.wikipedia.org/wiki/Honda_Civic_(eighth_generation) – Information on one of the best-selling cars in world, the Honda Civic Eight Generation.
Replace a Defective Key Fob for Six Dollars – Replace a defective key fob by installing a new central locking system that includes two (2) brand new key fobs.

The post Honda Civic 2006 Wiring Diagram appeared first on CyberBlogSpot.

Replace a defective key fob with two (2) fob remote controllers for a cost of six (6) dollars!!! I have done this on a Honda Civic 2006. For some unknown reason, the key fob remote controller for my Honda Civic 2006 suddenly stopped working. I replaced the battery but still it would not work. Because replacing the original key fob is very expensive, I decided to find another solution. The solution – install a new keyless entry system or central door lock system.

There are many cheap keyless entry systems on the internet and they usually come with two (2) fob remote controllers. The one that I bought and installed is shown in the picture above. It was around $6 then when I bought it here. It is already sold out but it is available in great quantity from China.

Why and How the Trick Works

When a key fob remote controller fails to lock or unlock the doors, you can manually lock or unlock them. Use the ignition key to lock or unlock the driver’s door. Using the ignition key on the driver’s door latch has the same exact effect as the key fob remote. It locks or unlocks the doors and at the same time arms or disarms the security alarm system. By design, the ignition key is the backup for the key fob remote controller.

The driver’s door latch has a switch that the ignition key turns to either Lock or Unlock position. If we connect a new keyless entry system like the one pictured above to the driver’s door latch switch, we can simulate the locking and unlocking of the doors by the ignition key. Consequently, we can now lock and unlock the doors (also arm and disarm the alarm) by using the new keyless entry system’s two (2) brand new fob remote controllers. In effect, we are able to replace the defective key fob with two new fob remote controllers.

Keyless Entry System on Honda Civic 2006

The diagram below shows how the different door lock switches are connected to the MICU (Multiplex Integrated Control Unit) that controls the locking and unlocking of the doors in a Honda Civic 2006.

For a complete circuit diagram of Honda Civic 2006 Keyless System, Power Door Locks, and Security System, please see Honda Civic 2006 Security System Diagrams

How to Install the Keyless Entry System to Replace a Defective Key Fob

On a Honda Civic 2006, it is very simple to connect the keyless entry system. As shown in Figure 2, we only need to connect four wires. Please refer to Figure 1 and Figure 2.

• YELLOW/GREEN wire to Driver’s Door Key Cylinder Switch LOCK wire (PNK)
• BLACK/WHITE wire to Driver’s Door Key Cylinder Switch UNLOCK wire (BRN)
• RED wire to Car Battery’s Positive Terminal
• BLACK wire to Chassis Ground

The RED wire for the positive12V supply must be wired to an unswitched 12V supply. If the keyless entry system control unit is to be installed under the dashboard near the ignition key switch, a good place to get the 12V is from the BATTERY terminal of the ignition key switch.

Note that there is no need to connect the two (2) GRAY wires to the LEFT and RIGHT turn signal lights. The existing keyless system will blink the turn signals when locking and unlocking the doors.

If you want a chirp sound when locking and unlocking the doors, you may want to connect the PURPLE wire to a siren horn.

References on Replace a Defective Key Fob for Six Dollars

Honda Civic Wiring Diagram
Honda Civic 2006 Security System Diagrams
Honda Civic Turn Signal/Hazard Flasher Circuit Diagram

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