DTC Check / Clear

WARNING: This page is about a different variant/trim than selected.

DTC CHECK/CLEAR (When Using the Techstream)
1. Check for DTCs.
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG).
  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 (See DIAGNOSTIC TROUBLE CODE CHART )..
2. Clear the DTCs.
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG).
  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 display on the Techstream, select the trouble code data display with the clear button.

DTC CHECK/CLEAR (When not Using the Techstream)

Check for DTCs.

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

Fig 1: Identifying DLC3 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Observe the blinking pattern of the ABS warning, brake warning / yellow (minor malfunction) and master caution indicator (VSC warning) lights in order to identify the DTC.

HINT:

If no code appears, inspect the TC and CG terminal circuit, and ABS warning, brake warning / yellow (minor malfunction) and master caution indicator (VSC warning) light circuits.

TROUBLE AREA

Trouble Area	See procedure
TC and CG terminal circuit	TC AND CG TERMINAL CIRCUIT
ABS warning light circuit (Remains on)	ABS WARNING LIGHT REMAINS ON
ABS warning light circuit (Does not come on)	ABS WARNING LIGHT DOES NOT COME ON
Brake warning light / yellow (minor malfunction) circuit (Remains on)	BRAKE CONTROL WARNING LIGHT REMAINS ON
Brake warning light / yellow (minor malfunction) circuit (Remains on)	BRAKE CONTROL WARNING LIGHT DOES NOT COME ON
Master caution indicator light (VSC warning light) circuit (Remains on)	VSC WARNING LIGHT REMAINS ON
Master caution indicator light (VSC warning light) circuit (Does not come on)	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 the ABS warning, brake warning / yellow (minor malfunction) and master caution indicator (VSC warning) lights.

Fig 2: Normal System Code And Trouble Codes - Blinking Patterns
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Check the details of the DTCs (See DIAGNOSTIC TROUBLE CODE CHART ).
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.

Clear the DTCs.
1. Using SST, connect terminals TC and CG of the DLC3.
  SST 09843-18040
2. Turn the power switch on (IG).
  
  Fig 3: Identifying DLC3 Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 battery terminal or the ECU-IG NO. 2 fuse.

END OF DTC CHECK/CLEAR
1. Turn the power switch on (IG).
2. Check that the ABS warning, brake warning / yellow (minor malfunction) and master caution indicator (VSC warning) lights go off within approximately 3 seconds after turning the power switch on (IG).
  
  Fig 4: Depressing Brake Pedal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002