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.
DTC Check/Clear
- DTC CHECK/CLEAR (TECHSTREAM)
- Check the DTC.
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Read the DTCs following the prompts on the tester screen.
- Clear the DTC.
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Operate Techstream to clear the codes.
HINT:
Refer to Techstream operator's manual for further details.
- Check the DTC.
- DTC CHECK/CLEAR (SST CHECK WIRE)
- Check the DTC.
- Using SST, connect terminals TC and CG of the DLC3.
SST 09843-18040
- Turn the engine switch on (IG).
- Observe the blinking pattern of the ABS warning light and read the multi information display in order to identify the DTC.
HINT:
If no code appears, inspect the TC and CG terminal circuit, and ABS and VSC warning light circuits.
TC And CG Of DLC3 - TROUBLESHOOTING CHARTTrouble Area See procedure TC and CG terminal circuit TC AND CG TERMINAL CIRCUIT ABS warning light circuit ABS WARNING LIGHT REMAINS ON or ABS WARNING LIGHT DOES NOT COME ON VSC warning light circuit VSC WARNING LIGHT REMAINS ON or VSC WARNING LIGHT DOES NOT COME ON - As an example, the illustration below shows the blinking patterns of the normal system code and trouble codes 11 and 21 for ABS, and display of the normal system code and trouble code 43 for the VSC on the multi information display.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle and customized settings.
- The codes are explained in the code table (See DIAGNOSTIC TROUBLE CODE CHART ).
- After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the display. If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.
- Using SST, connect terminals TC and CG of the DLC3.
- Clear the DTC.
- Using SST, connect terminals TC and CG of the DLC3.
SST 09843-18040
- Turn the engine switch on (IG).
- Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
- Check that the multi information display indicates the normal system code.
- Remove the SST from the terminals of the DLC3.
HINT:
Clearing the DTCs cannot be performed by disconnecting the battery terminal or the ECU-IG NO. 2 fuse.
- Using SST, connect terminals TC and CG of the DLC3.
- Check the DTC.
- END OF DTC CHECK/CLEAR
- Turn the engine switch on (IG).
- Check that the ABS warning light goes off within approximately 3 seconds.
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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.
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