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 ignition switch to the ON position.

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

Fig 1: Identifying DLC3 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

TROUBLE AREA AND REFERENCE PAGES

Trouble Area
TC AND CG TERMINAL CIRCUIT
ABS WARNING LIGHT CIRCUIT
VSC WARNING LIGHT CIRCUIT

As examples, 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 on 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 2: Identifying Blinking Patterns For Normal System Code And Trouble Codes 11 And 21

DTC CHECK
1. Check DTCs.
  1. Connect the hand-held tester to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Read the DTCs following the prompts on the tester screen.
  HINT:
  
  Refer to the hand-held tester operator's manual for further details.
  
  Fig 3: 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 ignition switch to the ON position.
    
    Fig 4: 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 the SST.
  HINT:
  
  Clearing the DTCs cannot be performed by removing the battery cable or the ECU-IG fuse
  
  Fig 5: Checking DTCs Stored In ECU By Depressing Brake Pedal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CLEAR DTC
1. Clear the DTCs using the hand-held tester.
  1. Connect the hand-held tester to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Operate the hand-held tester to clear the codes.
  HINT:
  
  Refer to the hand-held tester operator's manual for further details.
  
  Fig 6: Connecting Hand-Held Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
END OF DTC CHECK/CLEAR
1. Turn the ignition switch to the ON position
2. Check that the ABS warning light and VSC warning light go off within approximately 3 seconds.