Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Retrieving Trouble Codes
Ensure ignition switch is in RUN position (engine does not need to be running). Locate Black test connector. See COMPONENT LOCATIONS . Connector has 2 mating halves. One has a Black/Orange wire; other has a Red wire. Disconnect connector. Connect jumper wire to connector terminal with Black/Orange wire. Ground other end of jumper wire for 2 seconds. When ground circuit is completed then broken, Yellow REAR ANTI-LOCK warning light will flash trouble code.
Code will repeat until ignition is turned off. Code consists of a number of short flashes followed by one long flash. Count each flash, short and long, to determine code number. For example: short, short, long, is Code 3. Perform appropriate code test after retrieving code. A Code 16 indicates system is operating properly. If Yellow light does not flash, go to TEST D - YELLOW LIGHT CHECK OKAY, BUT DOESN'T FLASH TROUBLE CODE under PRE-CHECK TESTS.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.