Honda Fit manuals

Honda Fit: Malfunction Indicator Lamp

If this indicator comes on while driving, it means one of the engine’s emissions


If this indicator comes on while driving, it means one of the engine’s emissions control systems may have a problem. Even though you may feel no difference in your vehicle’s performance, it can reduce your fuel economy and cause increased emissions. Continued operation may cause serious damage.

If you have recently refueled your vehicle, the indicator coming on could be due to a loose or missing fuel fill cap. You will also see a ‘‘CHECK FUEL CAP’’ message on the information display. Tighten the cap until it clicks at least once.

Tightening the cap will not turn the indicator off immediately; it can take several days of normal driving.

If the indicator comes on repeatedly, even though it may go off as you continue driving, have your vehicle checked by a dealer as soon as possible.

If you keep driving with the malf unction indicator lamp on, you can damage


If you keep driving with the malf unction indicator lamp on, you can damage your vehicle’s emissions controls and engine. Those repairs may not be covered by your vehicle’s warranties.

If your vehicle has an automatic transmission, the malfunction indicator lamp may also come on with the ‘‘D’’ indicator.

Readiness Codes

Your vehicle has certain ‘‘readiness codes’’ that are part of the on-board diagnostics for the emissions systems. In some states, part of the emissions testing is to make sure these codes are set. If they are not set, the test cannot be completed.

If the battery in your vehicle has been disconnected or gone dead, these codes are erased. It takes at least three days of driving under various conditions to set the codes again.

To check if they are set, turn the ignition switch to the ON (II) position, without starting the engine.

The malfunction indicator lamp will come on for 20 seconds. If it then goes off, the readiness codes are set.

If it blinks five times, the readiness codes are not set. If possible, do not take your vehicle for an emissions test until the readiness codes are set.

See also:

Changing the Engine Oil and Filter
Always change the oil and filter according to the maintenance messages shown on the information display. The oil and filter collect contaminants that can damage your engine if they are not removed ...

Hood Latch Replacement
NOTE: Put on gloves to protect your hands. Take care not to scratch the body or related parts. Remove the front grille cover. Remove the clips, and release th ...

Oil Check
We recommend that you check the engine oil level every time you refuel. Park the vehicle on level ground. Wait approximately three minutes after turning the engine off before you check the oi ...

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