Diesel Data: Automotive Repair

Reading and Clearing Diagnostic Trouble Codes








BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: DTC CHECK / CLEAR

DTC CHECK / CLEAR

1. DTC CHECK/CLEAR (USING TECHSTREAM)
(a) Check DTCs.
(1) Connect Techstream to the DLC3.
(2) Turn the ignition switch on (IG).
(3) Read the DTCs following the prompts on the tester screen.

HINT: Refer to Techstream operator's manual for further details.

(b) Clear the DTCs.
(1) Connect Techstream to the DLC3.
(2) Turn the ignition switch on (IG).
(3) Operate Techstream to clear the codes.

HINT: Refer to Techstream operator's manual for further details.

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




(1) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(2) Turn the ignition switch on (IG).





(3) Read the number of blinks of the ABS and VSC warning lights.

HINT:
- If no code appears, inspect the diagnostic circuit or ABS warning light circuit.





- As an example, the blinking patterns for a normal system code and trouble codes 11 and 21 are shown on the left.

(4) Codes are explained in the code table Vehicle Stability Control System.
(5) After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the ignition switch.
If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.
(b) Clear the DTCs.





(1) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(2) Turn the ignition 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 ABS warning light indicates a normal system code.
(5) Remove the SST.

HINT: DTCs cannot be cleared by removing the battery cable or the ECU-IG fuse.

3. END OF CHECK/CLEAR
(a) Turn the ignition switch on (IG).
(b) Check that the ABS and VSC warning lights go off within approximately 3 seconds.