Reading and Clearing Diagnostic Trouble Codes

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (for 2ZR-FE): DTC CHECK / CLEAR

1. DTC CHECK/CLEAR (When Using the Techstream)

(a) Check for DTCs.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream on.

(4) Read the DTCs following the prompts on the Techstream screen. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

(5) Check the details of the DTCs Vehicle Stability Control System.

(b) Clear the DTCs.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream on.

(4) Operate the Techstream to clear the codes. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

(5) According to the Techstream display, select the trouble code data display with the clear button.

2. DTC CHECK/CLEAR (When not Using the Techstream)

(a) Check for DTCs.

(1) Using SST, connect terminals TC and CG of the DLC3.





SST : 09843-18040

(2) Turn the ignition switch to ON.

(3) Observe the blinking pattern of the ABS warning and slip indicator lights in order to identify the DTC.

HINT
If no code appears, inspect the TC and CG terminal circuit, and ABS warning and slip indicator light circuits.





(4) As an example, the illustration below shows the blinking patterns of the normal system code and trouble codes 11 and 21 for the ABS warning and slip indicator lights.





(5) Check the details of the DTCs.

DTC chart for ABS





DTC chart for VSC





(*1): This DTC is output when the VSC system detects a malfunction in the ABS.

(6) After completing the check, disconnect terminals TC and CG of the DLC3 to turn off the display.

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 to ON.

(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 indicates a normal system code.

(5) Remove SST from the terminals of the DLC3.

HINT
The DTCs cannot be cleared by disconnecting the negative cable from the battery terminal or the ECU-IG NO. 1 fuse.

3. END OF DTC CHECK/CLEAR

(a) Turn the ignition switch to ON.

(b) Check that the ABS warning light goes off within approximately 3 seconds.