Chevrolet Equinox manuals

Chevrolet Equinox Owners Manual: Malfunction Indicator Lamp

This light is part of the vehicle's emission control on-board diagnostic system. If this light is on while the engine is running, a malfunction has been detected and the vehicle may require service. The light should come on to show that it is working when the ignition is in Service Mode. See Ignition Positions.

This light may also come on when the system has detected a problem with the Diesel Exhaust Fluid (DEF) management system. See Diesel Exhaust Fluid.

Malfunction Indicator Lamp

Malfunctions are often indicated by the system before any problem is noticeable. Being aware of the light and seeking service promptly when it comes on may prevent damage.

Caution If the vehicle is driven continually with this light on, the emission control system may not work as well, the fuel economy may be lower, and the vehicle may not run smoothly. This could lead to costly repairs that might not be covered by the vehicle warranty.


Caution Modifications to the engine, transmission, exhaust, intake, or fuel system, or the use of replacement tires that do not meet the original tire specifications, can cause this light to come on. This could lead to costly repairs not covered by the vehicle warranty. This could also affect the vehicle's ability to pass an Emissions Inspection/ Maintenance test. See Accessories and Modifications.

Light Flashing (Gasoline Engine Only)

If the light is flashing : A malfunction has been detected that could damage the emission control system and increase vehicle emissions. Diagnosis and service may be required.

To help prevent damage, reduce vehicle speed and avoid hard accelerations and uphill grades.

If towing a trailer, reduce the amount of cargo being hauled as soon as possible.

If the light continues to flash, find a safe place to park. Turn the vehicle off and wait at least 10 seconds before restarting the engine. If the light is still flashing, follow the previous guidelines and see your dealer for service as soon as possible.

Light on Steady (All Engines)

If the light is on steady : A malfunction has been detected.

Diagnosis and service may be required.

Check the following:

If the light remains on, see your dealer.

Emissions Inspection and Maintenance Programs

If the vehicle requires an Emissions Inspection/Maintenance test, the test equipment will likely connect to the vehicle's Data Link Connector (DLC).

Emissions Inspection and Maintenance Programs

The DLC is under the instrument panel to the left of the steering wheel. Connecting devices that are not used to perform an Emissions Inspection/Maintenance test or to service the vehicle may affect vehicle operation. See Add-On Electrical Equipment. See your dealer if assistance is needed.

The vehicle may not pass inspection if:

See your dealer if the vehicle will not pass or cannot be made ready for the test.

Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is sta ...

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits ...

Other materials:

Power Steering Fluid Cooling Pipe Replacement Hydraulic Steering
Removal ProcedurePlace drain pans under the vehicle.Remove the intake manifold cover. Refer toIntake Manifold Cover Replacement.Remove as much power steering fluid from the upper powersteering fluid reservoir as possible.Remove the front bumper fascia. Refer toFront Bumper Fascia Replacement.i.,.Dis ...

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