DTC Check / Clear

WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

DTC CHECK/CLEAR (INTELLIGENT TESTER)
1. Check the DTC.
  1. Connect the intelligent tester to the DLC3.
    
    Fig 1: Connecting Intelligent Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Turn the engine switch on (IG).
  3. Read the DTCs following the prompts on the tester screen.
2. Clear the DTC.
  1. Connect the intelligent tester to the DLC3.
  2. Turn the engine switch on (IG).
  3. Operate the intelligent tester to clear the codes.
    HINT:
    
    Refer to the intelligent tester operator's manual for further details.

DTC CHECK/CLEAR (SST CHECK WIRE)

Check the DTC.

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

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

SST 09843-18040
Turn the engine switch on (IG).

Observe the blinking pattern of the ABS warning light and read the multi information display in order to identify the DTC.

HINT:

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

PROBLEM SYMPTOMS TABLE

Trouble Area	See procedure
TC and CG terminal circuit	SLIP INDICATOR LIGHT DOES NOT COME ON
ABS warning light circuit	ABS WARNING LIGHT REMAINS ON or ABS WARNING LIGHT DOES NOT COME ON
VSC warning light circuit	VSC WARNING LIGHT REMAINS ON or 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 ABS, and display of the normal system code and trouble code 43 for the VSC on the multi information display.

Fig 3: Identifying Blinking Patterns Of Normal System Code And Trouble Codes 11 And 21 For Abs
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
The codes are explained in the code table (See FAIL-SAFE 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.

Clear the DTC.
1. Using SST, connect terminals TC and CG of the DLC3.
  
  Fig 4: Identifying Connector Terminals DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  SST 09843-18040
2. Turn the engine 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 multi information display indicates the normal system code.
5. Remove the SST from the terminals of the DLC3.
  HINT:
  
  Clearing the DTCs cannot be performed by removing the battery cable or the ECU-IG LH fuse.
  
  Fig 5: Depressing Brake Pedal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

END OF DTC CHECK/CLEAR
1. Turn the engine switch on (IG).
2. Check that the ABS warning light goes off within approximately 3 seconds.