Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Dtc Check / Clear

DTC CHECK / CLEAR

CHECK DTCs (USING TECHSTREAM)

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / EMPS / Trouble Codes.

(f) Check the details of the DTCs.

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CHECK DTCs (USING SST CHECK WIRE)

(a) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

SST: 09843-18040

(b) Turn the engine switch on (IG).

(c) Read and write down any DTCs indicated by the blinking of the EPS warning light in the combination meter assembly. Refer to the illustration to the right for examples of the normal system code and DTCs 21 and 22.

HINT:

• If the EPS warning light does not blink to display stored DTCs or the normal system code, inspect the circuit shown in the table below.

  Trouble Area	Link
  EPS warning light circuit

• If two or more malfunctions are detected simultaneously, DTCs will be displayed in ascending numerical order.

(d) Refer to Diagnostic Trouble Code Chart for DTC information.

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(e) Check the details of the DTCs.

CLEAR DTCs (USING TECHSTREAM)

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / EMPS / Trouble Codes.

(f) Clear the DTCs.

(g) Turn the engine switch off.

(h) Disconnect the Techstream from the DLC3.