U3400 Honda Civic Type R DTC Code

Honda Civic Type R Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Turbocharged Engine

Your Honda Civic Type R engine control system detects a problem, the computer stores the diagnostic trouble code U3400 in its memory. To figure out what is wrong with your vehicle you must first extract the U3400 DTC For Honda Civic Type R.

U3400 Honda Civic Type R engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)

U3400 Honda Civic Type R DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
3	SAE - Generic
4	Fuel And Air Metering (Injector Circuit Malfunctions Only)
0	Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
0	Transmission Engaged At High Throttle Angle

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U3400 Honda Civic Type R code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.