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The instrument cluster (10849) carries out a display proveout to verify that all warning/indicator lamps and monitored systems are functioning correctly. When the ignition switch (11572) is in the ON position with the engine (6007) off, the following indicators will illuminate:
CHECK ENGINE/malfunction indicator lamp (MIL).
CHECK GAGE warning indicator.
Charge system warning indicator.
Anti-lock brake warning indicator (ABS).
Safety belt warning indicator (60second proveout).
Air bag indicator.
An indicator is inoperative - CHECK ENGINE/malfunction indicator lamp (MIL)
You don't say what year, brand and model car you have.
The Check Engine (CE) warning and the triangle warning are different.
1. If the CE light is on there are dozens of possible causes but you need to have the car scanned to see what faults have been generated and what irregularities show up in the operation of the engine. Don't delay having it professionally checked out or the computer may send the vehicle into limp mode to protect the engine or the engine may stop altogether and you will not be able to restart it..
2. The triangle with the exclamation mark is normally the traction control (TC) system warning. If this displays constantly the TC may have been turned off manually or (more likely) there is a problem detected with the TC system and it has been shut down by the computer. You will need a scan to see what faults the computer has detected so a proper diagnosis of the problem can be made.
could mean anything from your windshield washer fluid is low to a bulb is out on the car..im pretty sure its just a warning light, u have to start up the power in the car (ACC) but not actually turning the engine..then use the button on the end of the blinker wand to access the "check control" this should tell you whats up
The Triangle indication:
Description: MASTER WARNING LIGHT.
The battery ECU has a self-diagnosis system. If the computer, High Voltage (HV) battery system or the components are not working properly, the ECU carries out a diagnosis to detect the malfunction, and illuminates the master warning light in the combination meter together with the HV system warning indicator on the multi information display. NOTE:
The master warning light illuminates when the HV battery system fails and it blinks when in inspection mode.
The following are descriptions from the Mini-Cooper S owner's manual.
Service Engine Soon "?If the warning lamp comes on
either continuously or intermittently, this indicates a malfunction in the emissions-related electronic systems."
EML light: "Engine electronics ?Malfunction in the engine electronics. You can continue to drive with reduced engine output or engine speed."
Triangle circled by an arrow: "Automatic Stability Control plus
Traction (ASC+T)/Dynamic Stability Control (DSC)
?Indicator lamp flashes: System active: drive and braking forces are regulated.
The indicator lamp stays lit: ASC+T/DSC switched off with button or defective. In the event of a defect: please have the system inspected at your MINI Dealer."
First, inspect the belts to make sure none failed at high RPM. If one broke, inspect any cable or hoses in the plane of the belt to see if there was any damage (e. g., a ripped wire in the ASC+T/DSC system). Second, get a readout of the engine error code. (If you get indications of a major vacuum leak including rough idle, look for a blown head gasket.) If you get something else, please post the results in a comment so we can go to the next step.
ESP = Electronic Stability Program malfunction indicator lamp (MIL)
1. You can try to disconnect the battery from car terminals, waiting for 30 minutes and connect again the cables in order to reset the ESP Electronic Control Unit (ECU). 2. If this procedure does not work you must use a diagnostic equipment connected to the Data Link Connector (DLC) of the car. The ESP ECU fault memory can only be accessed and erased using diagnostic equipment connected to the DLC.
Note: ESP function includes ABS (Antilock Braking System) function!
On a Prius, when the check engine light comes on it indicates a malfunction in the powertrain control system. You need to have the car scanned for codes to see where the fault lies. The red triangle lights because the check engine light is on. The VSC is disabled when the check engine light is on and that light comes on. Start with having the car scanned.
I have same engine problem. Triangle signal pop up after I try to start my Prius with a still wet air filter to the car . The engine just run for less than 30 sec. and stopped with the triangle signe pop up. I think this sign will pop up whenever the engine detect certain major function failure. For my case, it was due to retricted air supply to the engine. I have tried Lovebytes suggestion and the triangle sign disappeared with a dry clean filter. My Prius is running good now. This warnig sign may have other implications. Once you try this method and sign still come on. You need to have your car check by garage. Bellow attach is the answer from Lovebites
posted on Aug 21, 2008
Asker's Rating Lovebytes Rank: Apprentice Rating: 0%, 0 votes
had the same problem. I unplugged the relays from the fuse/relay box
under the bonnet. (Top left side) and replaced them. The problem
disappeared. (2001 Prius 109,000 miles)