DTC Check / Clear

DTC CHECK (USING SST CHECK WIRE)

Check DTCs.

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

Fig 1: Identifying Terminals TC And CG Of DLC3
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Read DTCs by the blinking pattern of the ABS warning light.

HINT:

If the ABS warning light does not blink, inspect the TC terminal circuit or ABS warning light circuit.

TC TERMINAL CIRCUIT OR ABS WARNING LIGHT CIRCUIT

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

As an example, the blinking patterns for a normal system code and trouble codes 11 and 21 are shown in Fig 2.

Fig 2: Identifying ABS Warning Light Blinking Pattern

Codes are explained in the code table (See DIAGNOSTIC TROUBLE CODE CHART ).
After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the ignition switch.
If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.

CLEAR DTC (USING SST CHECK WIRE)
1. Clear the DTCs.
  1. Using SST, connect terminals TC and CG of the DLC3.
    SST 09843-18040
  2. Turn the ignition switch on (IG).
    
    Fig 3: Identifying Terminals TC And CG Of DLC3
    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.
    
    Fig 4: Depressing Brake Pedal
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Check that the warning light indicates the normal system code.
  5. Remove the SST from the DLC3.
    HINT:
    
    Clearing the DTCs cannot be performed by removing the battery cable or ECU-IG fuse.
DTC CHECK (USING INTELLIGENT TESTER)
1. Check DTCs.
  1. Connect the intelligent tester to the DLC3.
    
    Fig 5: Connecting Intelligent Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Turn the ignition switch on (IG).
  3. Read the DTCs by following the prompts on the tester screen.
    HINT:
    
    Refer to the intelligent tester operator's manual for further details.
CLEAR DTC (USING INTELLIGENT TESTER)
1. Clear the DTCs.
  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch on (IG).
  3. Operate the intelligent tester to clear the codes.
    HINT:
    
    Refer to the intelligent tester operator's manual for further details.
END OF DTC CHECK/CLEAR
1. Turn the ignition switch on (IG).
2. Check that the ABS warning light goes off after approximately 3 seconds.