Diagnostic Trouble Codes Check/Clear

DTC CHECK (USING SST CHECK WIRE)

Check DTCs.

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

Fig 2: Identifying DLC3 Terminals TC And CG
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Read the DTC from the Brake Control warning light, ABS warning light and VSC warning light on the combination meter.

WARNING LIGHT REFERENCE

HINT:

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

TROUBLE AREA REFERENCE

Trouble Area	Refer to
TC and CG terminal circuit	TC AND CG TERMINAL CIRCUIT
Brake Control warning light circuit	BRAKE CONTROL WARNING LIGHT CIRCUIT (REMAINS ON)
ABS warning light circuit	ABS WARNING LIGHT CIRCUIT (REMAINS ON)
VSC warning light circuit	VSC WARNING LIGHT CIRCUIT (REMAINS ON)

Fig 3: Identifying Warning Light And Indicator Light

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Codes are explained in the code table 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.

Fig 4: Identifying Normal System Code Blinking Patterns

CLEAR DTC (USING HAND-HELD TESTER)
1. Clearing the DTCs.
  1. Connect the hand-held tester to the DLC3.
  2. Turn the power switch ON (READY).
  3. Operate the hand-held tester to clear the codes.
  HINT:
  
  Refer to the hand-held tester Operator's Manual for further details.
  
  Fig 5: Connecting Hand-Held Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CLEAR DTC (USING SST CHECK WIRE)
1. Clear the DTCs using the SST check wire.
  1. Using SST, connect terminals TC and CG of the DLC3.
    SST 09843-18040
  2. Turn the power switch ON (READY).
    
    Fig 6: Identifying DLC3 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 the SST.
  HINT:
  
  Clearing the DTCs cannot be performed by removing the battery cable or the ECU-IG fuse.
  
  Fig 7: Removing SST
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
END OF CHECK/CLEAR
1. Turn the power switch ON (READY).
2. Check that the Brake Control warning light, ABS warning light and VSC warning light go off within approximately 3 seconds.