Reading and Clearing Diagnostic Trouble Codes

BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: DTC CHECK / CLEAR

DTC CHECK / CLEAR

1. DTC CHECK/CLEAR (WHEN USING TECHSTREAM)
(a) DTC check
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch ON (IG).
(3) Read the DTCs following the prompts on the tester screen.
(b) DTC clear
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch ON (IG).
(3) Operate the Techstream to clear the codes.
HINT: Refer to the Techstream operator's manual for further details.

2. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE)
(a) DTC check





(1) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
SST: 09843-18040
(2) Turn the power switch ON (IG).
(3) Read DTC from the ABS warning light on the combination meter and multi-information display.
HINT:
- Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle and customized settings.
- If no code appears, inspect the TC and CG terminal circuit, and ABS and brake control (multi-information display) warning light circuits.





(4) As an example, the illustration below shows the blinking patterns of the normal system code and trouble codes 31 and 43, and display of the normal system code and trouble code 31 on the multi-information display.





(5) Codes are explained in the code table Electronically Controlled Brake System.
(6) After completing the check, disconnect terminals TC and CG of the DLC3, and turn the display off.
If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.
(b) DTC clear





(1) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
SST: 09843-18040
(2) Turn the power switch ON (IG).





(3) Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
(4) Check that the warning light and multi-information display indicate the normal system code.
(5) Remove SST from the terminals of the DLC3.
HINT: Clearing the DTCs cannot be performed by removing the battery cable or the ECU-IG fuse.

3. END OF DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE)
(a) Turn the power switch ON (IG).
(b) Check that the ABS and brake control warning lights goes off within approximately 3 seconds.