Toyota CH-R Service Manual: Dtc Check / Clear

DTC CHECK / CLEAR

DTC CHECK (USING SST CHECK WIRE)

(a) Check for DTCs (Current DTCs).

(1) Turn the ignition switch ON, and wait for at least 60 seconds.

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

SST: 09843-18040

NOTICE:

Connect the correct terminals to avoid a malfunction.

(b) Check for DTCs (History DTCs).

(1) Turn the ignition switch off.

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

SST: 09843-18040

NOTICE:

Connect the correct terminals to avoid a malfunction.

(3) Turn the ignition switch ON, and wait for at least 60 seconds.

(c) Read the DTCs.

(1) Read the blinking patterns of the DTCs. As an example, the blinking patterns for the normal system code and DTCs 11 and 31 are shown in the illustration.

NOTICE:

When a DTC includes a letter (such as DTC 8A), the light blinks 8 times and then blinks 10 times to indicate the A after a 1.5-second pause.

If there is more than 1 code, there will be a 2.5-second pause between each code. After all codes are shown, there will be a 4.0-second pause, and then all codes will be repeated.

DTC CLEAR (USING SST CHECK WIRE)

(a) Clear the DTCs.

(1) When the ignition switch is turned off, the DTCs are cleared.

HINT:

Depending on the DTC, the code may not be cleared by turning the ignition switch off. In this case, proceed to the next step.

(2) Using SST, connect terminals TC and CG of the DLC3, and then turn the ignition switch ON.

SST: 09843-18040

(3) Disconnect terminal TC of the DLC3 within 3 to 10 seconds after the DTCs are output, and check if the SRS warning light comes on after 3 seconds.

(4) Within 2 to 4 seconds after the SRS warning light comes on, connect terminals TC and CG of the DLC3.

(5) The SRS warning light will go off within 2 to 4 seconds after connecting terminals TC and CG of the DLC3. Disconnect terminal TC within 2 to 4 seconds after the SRS warning light goes off.

(6) The SRS warning light will come on again within 2 to 4 seconds after disconnecting terminal TC. Reconnect terminals TC and CG within 2 to 4 seconds after the SRS warning light comes on.

(7) Check if the SRS warning light goes off within 2 to 4 seconds after connecting terminals TC and CG of the DLC3. Also check if the normal system code is output within 1 second after the SRS warning light goes off.

If DTCs are not cleared, repeat this procedure until the codes are cleared.

DTC CHECK (USING TECHSTREAM)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch ON, and wait for at least 60 seconds.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

(f) Check for DTCs by following the prompts on the Techstream screen.

HINT:

Refer to the Techstream operator's manual for further details.

DTC CLEAR (USING TECHSTREAM)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch ON, and wait for at least 60 seconds.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

(f) Clear the DTCs by following the prompts on the Techstream screen.

HINT:

Refer to the Techstream operator's manual for further details.