Check engine light

You're going to HAVE TO take your vehicle to any auto parts outlet/shop and have them do a diagnostic on it to get the codes to tell you WHY these lights are on. The one to the right9engine shape, is the check engine light. Not sure of the other. But, get the codes. They will connect and tell you what the codes are, usually for free, in hopes of getting the repair work to get the lights to go out.

If you really fixed it, it should go out in 20 or 40 miles of driving. Or you can disconnect the negative battery cable for a minute. In that case, you will see the light come back on in 20 or 40 miles of driving.

Last option, is have someone with a code reader reset it in software.

Error logs are a great thing. They will help you find intermittent problems and start you off in a general direction of where a problem could be. There is a great level of detail on the justcommodores site on checking error codes logged by the engine management system, but this does not detail anything about the abs system. The abs warning light is not as common as the check engine warning light. Reading through the posts, I haven't found any detail on checking error codes logged by the abs system.

So here it is. For those of you familiar with checking the engine error codes, this procedure is so simple its not funny.

Basically, to check the engine error log, you bridge the 5th (ground) and 6th pins in the ODB connector under the steering wheel.

To check the ABS error log, using the same trusty calibrated paper clip, you simply bridge pins 5 and 12 of the connector.

To find pins 5 and 12, start at the top left hand corner. That is pin one. Going to the right, you count pin 2,3,4 etc. Once you get to the end, jump back to the start of the bottom left level of pins and keep counting. Pin 5 is about halfway along the top row, pin 12 is a little left of the middle in the bottom row.

Reading the error codes is the same procedure (counting the flashes), except now, the ABS light flashes (as opposed to the engine light when checking the engine codes).

The ABS log also uses code 12 firstly, with any errors logged shown after that. If no errors are logged, the 12 will flash again.

Error codes for the ABS error log (VR/VS) are as follows:

12 Diagnostic system operational
21 Right hand front wheel speed sensor fault
23 Right hand front wheel speed sensor continuity fault
25 Left hand front wheel speed sensor fault
27 Left hand front wheel speed sensor continuity fault
28 Wheel speed sensor frequency error
31 Right hand rear wheel speed sensor fault
33 Right hand rear wheel speed sensor continuity fault
35 Left hand rear wheel speed sensor fault
37 Left hand rear wheel speed sensor continuity fault
41 Right hand front inlet solenoid valve circuit fault
42 Right hand front outlet solenoid valve circuit fault
45 Left hand front inlet solenoid valve circuit fault
46 Left hand front outlet solenoid valve circuit fault
55 Rear inlet solenoid valve circuit fault
56 Rear outlet solenoid valve circuit fault
61 Pump motor relay circuit fault
63 Valve relay circuit fault
71 ABS control module internal fault

The above guide has been verified on a VR/VS. Checking the error log on all models prior to VR/VS is the same for the engine log, and I would assume that the same can be said for the ABS log, would be happy if someone could verify this for me.

Check the sender on the engine and its connaections, check the radiator for oil contamination, check the oil for water contamination, check the exhaust outlet for excessive moisture. Disconnect and reconnect the battery on some cars this resets the computer and fault codes

You blew a fuse. I don't recall which one, but check them all with a test light. You will find one that is bad. It powers the DLC, Will turn on the Check Engine Light, and maybe the Power outlet. I am not sure about the power outlets.

If it's the check engine light, then no one will know what it means till you have the engine computer scanned with a code reader to get the trouble codes.

If the light comes on when engine is running, it means the computer has detected a fault in it's engine management. It will turn on the light and set a trouble code for the fault in its memory. A technician will use the trouble code to diagnose and fix the problem. Depending on the problem, sometimes it's simple, sometimes more complex.
If your car is a '96 or newer model, Autozone (and maybe other parts stores) will do an engine computer scan for free. Cars built before '96 use a different diagnostics program, but code readers for any year car are available and relatively inexpensive at any parts store or at outlets like Walmart. Good luck.

Check engine comming on even briefly will set a code in the computer's memmory. Take it to AutoZone or another auto parts outlet that will pull codes for free and guide you towards the fix. Ray (garage owner)

check engine light it tied to all the engine control sensors (and more) Larger auto parts outlets will do a free code scan for you. Once you learn what the code is, you can buy a chiltons or haynes manual and determine what the code means and what you need to do to replace that part.

If you live in the US, take it to an Auto Zone store and they will read off the code for you, this may also be possible at other major Parts Outlets, as they all want your parts business.

Hope this is of some help.
Ed

Have you had it checked for codes on the computer, although the check engine light is not on, the car my have some codes stored in the computer.
If you are in the US, I understand that if you take you car to an Auto Zone store they will read off the codes for you, once you have the codes then you can plan a course of action.
Other large auto parts outlets may also provide this service as they want your parts business.

Hope this is of some help.
Ed